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[30] viXra:1912.0466 [pdf] submitted on 2019-12-27 10:08:10
Authors: George Rajna
Comments: 66 Pages.
Scientists have created thin films made from barium zirconium sulfide (BaZrS3) and confirmed that the materials have alluring electronic and optical properties predicted by theorists. [43]
Researchers have succeeded in making the thinnest ever optical device in the form of a waveguide just three atomic layers thick. [42]
With the development of nanotechnologies, scientists’ efforts have centred on synchronizing oscillatory nanoelectromechanical systems (NEMS), for applications such as on-chip time keeping, and mass, gas, and force sensors. [41]
Category: Condensed Matter
[29] viXra:1912.0457 [pdf] submitted on 2019-12-26 04:50:37
Authors: George Rajna
Comments: 95 Pages.
Now, physicists from the University of Basel have been able to precisely determine this corrugated structure. [58] Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new type of sensor that uses atoms to receive commonly used communications signals. [57] "We will also work on initiating two-qubit quantum gates between the atoms to build a 2D quantum processor based on so-called Rydberg interactions," reveals Birkl, "and implement large-scale quantum entanglement and quantum simulation." [56] Scientists from the University of Bath, working with a colleague at the Bulgarian Academy of Sciences, have devised an ingenious method of controlling the vapour by coating the interior of containers with nanoscopic gold particles 300,000 times smaller than a pinhead. [55] Significant technical and financial issues remain towards building a large, fault-tolerant quantum computer and one is unlikely to be built within the coming decade. [54] Chemists at Friedrich Schiller University in Jena (Germany) have now synthesised a molecule that can perform the function of a computing unit in a quantum computer. [53] The research team developed the first optical microchip to generate, manipulate and detect a particular state of light called squeezed vacuum, which is essential for HYPERLINK "https://phys.org/tags/quantum/" quantum computation. [52] Australian scientists have investigated new directions to scale up qubits-utilising the spin-orbit coupling of atom qubits-adding a new suite of tools to the armory. [51]
Category: Condensed Matter
[28] viXra:1912.0421 [pdf] submitted on 2019-12-23 06:37:08
Authors: George Rajna
Comments: 53 Pages.
A team of scientists led by Berkeley Lab has developed a library of artificial proteins or "peptoids" that effectively "chelate" or bind to lanthanides and actinides, heavy metals that make up the so-called f-block elements at the bottom of the periodic table. [35] Friedrich Simmel and Aurore Dupin, researchers at the Technical University of Munich (TUM), have for the first time created artificial cell assemblies that can communicate with each other. [34] Researchers at Queen's University Belfast have developed a highly innovative new enzyme biomarker test that has the potential to indicate diseases and bacterial contamination saving time, money and possibly lives. [33] Medical physicist Dr. Aswin Hoffmann and his team from the Institute of Radiooncology-OncoRay at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have combined magnetic resonance imaging (MRI) with a proton beam, thus demonstrating for the first time that in principle, this commonly used imaging method can work with particle beam cancer treatments. [32] Washington State University researchers for the first time have shown that they can use electrical fields to gain valuable information about the tiny, floating vesicles that move around in animals and plants and are critically important to many biological functions. [31] Finding a fast and inexpensive way to detect specific strains of bacteria and viruses is critical to food safety, water quality, environmental protection and human health. [30] In the perspective, Gabor and Song collect early examples in electron metamaterials and distil emerging design strategies for electronic control from them. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26]
Category: Condensed Matter
[27] viXra:1912.0417 [pdf] submitted on 2019-12-23 08:12:06
Authors: George Rajna
Comments: 76 Pages.
Researchers at the University of Manchester have uncovered interesting phenomena when multiple two-dimensional materials are combined into van der Waals heterostructures (layered "sandwiches" of different materials). [48] "The junctions were reproducible over several devices and operated from 20 Kelvin up to room temperature. Our approach represents a simple but powerful strategy for the future integration of molecule-based functions into stable and controllable nanoelectronic devices." [47] The team has turned graphene oxide (GO) into a soft, moldable and kneadable play dough that can be shaped and reshaped into free-standing, three-dimensional structures. [46] A team of researchers based at The University of Manchester have found a low cost method for producing graphene printed electronics, which significantly speeds up and reduces the cost of conductive graphene inks. [45] Graphene-based computer components that can deal in terahertz "could be used, not in a normal Macintosh or PC, but perhaps in very advanced computers with high processing rates," Ozaki says. This 2-D material could also be used to make extremely high-speed nanodevices, he adds. [44] Printed electronics use standard printing techniques to manufacture electronic devices on different substrates like glass, plastic films, and paper. [43] A tiny laser comprising an array of nanoscale semiconductor cylinders (see image) has been made by an all-A*STAR team. [42] A new instrument lets researchers use multiple laser beams and a microscope to trap and move cells and then analyze them in real-time with a sensitive analysis technique known as Raman spectroscopy. [41]
Category: Condensed Matter
[26] viXra:1912.0416 [pdf] submitted on 2019-12-23 08:29:26
Authors: George Rajna
Comments: 43 Pages.
A chemist from RUDN University has synthesized new types of optically active materials with the structure of the mineral perovskite. [30] Human pathogens, such as HIV and viruses causing respiratory tract infection, have molecular fingerprints that are difficult to distinguish. To better detect these pathogens, sensors in diagnostic tools need to manipulate light on a nanoscale. [29] Scientists are using nanoparticle screening on personal care products and finding previously thought toxic chemicals may not be harmful. [28] Metal oxide frameworks, or MOFs, are solid materials which can behave like ultra-fine sponges. The cavities in the sponge are of nanosize-about the size of individual molecules. [27] Now researchers in France reckon they have finally found convincing evidence for the transformation, having built new devices for pressurizing and observing tiny samples of hydrogen. [26] The phenomenon of metastability, in which a system is in a state that is stable but not the one of least energy, is widely observed in nature and technology. [25] Four decades after it was predicted, scientist create a skyrmion, and take one step towards efficient nuclear fusion. [24] While standard quantum hardware entangles particles in two states, the team has found a way to generate and entangle pairs of particles that each has 15 states. [23]
Category: Condensed Matter
[25] viXra:1912.0405 [pdf] submitted on 2019-12-22 04:50:23
Authors: George Rajna
Comments: 59 Pages.
Researchers at The University of Tokyo Institute of Industrial Science conducted simulations considering and neglecting hydrodynamic interactions to determine whether or not these interactions cause the large discrepancy observed between experimental and calculated nucleation rates for hard-sphere colloidal systems, which are used to model crystallization. [36]
In a new study now published on Science Advances, Junseong Song and colleagues at the departments of Energy Science, Nanostructure Physics, Environmental Science and Materials Science in the Republic of Korea developed an unprecedented structure of the Zintl phase. [35]
TSU physicists, working with scientists from Novosibirsk, Krasnoyarsk, Germany and Korea, have discovered new nanomechanical properties of diamonds mined at the Skalnoe deposit of the Popigai astrobleme. [34]
A team of scientists are seeking to kick-start a wearable technology revolution by creating flexible fibres and adding acids from red wine. [33] An inexpensive way to make products incorporating nanoparticles-such as high-performance energy devices or sophisticated diagnostic tests-has been developed by researchers. [32] Researchers from Empa and ETH Zurich, together with colleagues from IBM Research Zurich, have recently been able to create this effect with long-range ordered nanocrystal superlattices. [31] The optical tweezer is revealing new capabilities while helping scientists understand HYPERLINK "https://phys.org/tags/quantum+mechanics/" quantum mechanics, the theory that explains nature in terms of subatomic particles. [30] In the perspective, Gabor and Song collect early examples in electron metamaterials and distil emerging design strategies for electronic control from them. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27]
Category: Condensed Matter
[24] viXra:1912.0365 [pdf] submitted on 2019-12-19 10:47:54
Authors: George Rajna
Comments: 23 Pages.
In the emerging research area of next-generation microelectronics, for example, improved tuning and control of the metal-insulator transition holds the promise of a great leap forward in low-power and ultrafast microelectronics for computers that simulate brain processes. [15] Konstanz physicist Professor Peter Baum and his team have succeeded in spatially and temporally directing and controlling ultrashort electron pulses directly by using the light cycles of laser light instead of microwaves. [14] In new research, scientists at the University of Minnesota used a first-of-its-kind device to demonstrate a way to control the direction of the photocurrent without deploying an electric voltage. [13] Brown University researchers have demonstrated for the first time a method of substantially changing the spatial coherence of light. [12] Researchers at the University of Central Florida have generated what is being deemed the fastest light pulse ever developed. [11] Physicists at Chalmers University of Technology and Free University of Brussels have now found a method to significantly enhance optical force. [10] Nature Communications today published research by a team comprising Scottish and South African researchers, demonstrating entanglement swapping and teleportation of orbital angular momentum 'patterns' of light. [9] While physicists are continually looking for ways to unify the theory of relativity, which describes large-scale phenomena, with quantum theory, which describes small-scale phenomena, computer scientists are searching for technologies to build the quantum computer using Quantum Information. In August 2013, the achievement of "fully deterministic" quantum teleportation, using a hybrid technique, was reported. On 29 May 2014, scientists announced a reliable way of transferring data by quantum teleportation. Quantum teleportation of data had been done before but with highly unreliable methods. The accelerating electrons explain not only the Maxwell Equations and the Special Relativity, but the Heisenberg Uncertainty Relation, the Wave-Particle Duality and the electron's spin also, building the Bridge between the Classical and Quantum Theories. The Planck Distribution Law of the electromagnetic oscillators explains the electron/proton mass rate and the Weak and Strong Interactions by the diffraction patterns. The Weak Interaction changes the diffraction patterns by moving the electric charge from one side to the other side of the diffraction pattern, which violates the CP and Time reversal symmetry. The diffraction patterns and the locality of the self-maintaining electromagnetic potential explains also the Quantum Entanglement, giving it as a natural part of the Relativistic Quantum Theory and making possible to build the Quantum Computer with the help of Quantum Information.
Category: Condensed Matter
[23] viXra:1912.0362 [pdf] submitted on 2019-12-19 11:19:51
Authors: George Rajna
Comments: 30 Pages.
Researchers have designed a new chip-integrated light source that can transform infrared wavelengths into visible wavelengths, which have been difficult to produce with technology based on silicon chips. [20] Hybrid organic or inorganic halide perovskites are a unique class of solar cell materials that break some of the material design rules that have been in place for over 30 years. [19] Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. The external quantum efficiency is 21.6 percent, which is a record. The results have been published in Nature Photonics. [18] Very recently, an NTU team lead by Assoc. Prof. Wang Hong, demonstrated high light extraction efficiency of perovskite photonic crystals fabricated by delicate electron-beam lithography. [17] A quasiparticle is a disturbance or excitation (e.g. spin waves, bubbles, etc.) that behaves as a particle and could therefore be regarded as one. Long-range interactions between quasiparticles can give rise to a 'drag,' which affects the fundamental properties of many systems in condensed matter physics. [16] Researchers have recently been also interested in the utilization of antiferromagnets, which are materials without macroscopic magnetization but with a staggered orientation of their microscopic magnetic moments. [15] A new method that precisely measures the mysterious behavior and magnetic properties of electrons flowing across the surface of quantum materials could open a path to next-generation electronics. [14] The emerging field of spintronics aims to exploit the spin of the electron. [13] In a new study, researchers measure the spin properties of electronic states produced in singlet fission-a process which could have a central role in the future development of solar cells. [12] In some chemical reactions both electrons and protons move together. When they transfer, they can move concertedly or in separate steps. Light-induced reactions of this sort are particularly relevant to biological systems, such as Photosystem II where plants use photons from the sun to convert water into oxygen. [11] EPFL researchers have found that water molecules are 10,000 times more sensitive to ions than previously thought. [10]
Category: Condensed Matter
[22] viXra:1912.0350 [pdf] submitted on 2019-12-18 10:13:41
Authors: George Rajna
Comments: 29 Pages.
Hybrid organic or inorganic halide perovskites are a unique class of solar cell materials that break some of the material design rules that have been in place for over 30 years. [19] Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. The external quantum efficiency is 21.6 percent, which is a record. The results have been published in Nature Photonics. [18] Very recently, an NTU team lead by Assoc. Prof. Wang Hong, demonstrated high light extraction efficiency of perovskite photonic crystals fabricated by delicate electron-beam lithography. [17]
Category: Condensed Matter
[21] viXra:1912.0329 [pdf] submitted on 2019-12-17 10:03:43
Authors: George Rajna
Comments: 46 Pages.
Now, a research team from DESY, Universität Hamburg and University College London have come up with an innovative new approach to separate mirror molecules and in doing so introduced a new theoretical framework to understand the phenomenon. [30] Scientists used spiraling X-rays at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) to observe, for the first time, a property that gives handedness to swirling electric patterns-dubbed polar vortices-in a synthetically layered material. [28] To build tomorrow's quantum computers, some researchers are turning to dark excitons, which are bound pairs of an electron and the absence of an electron called a hole. [27] Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor Gerhard Rempe at the Max Planck Institute of Quantum Optics (MPQ) have now achieved a major breakthrough: they demonstrated the long-lived storage of a photonic qubit on a single atom trapped in an optical resonator. [26] Achieving strong light-matter interaction at the quantum level has always been a central task in quantum physics since the emergence of quantum information and quantum control. [25] Operation at the single-photon level raises the possibility of developing entirely new communication and computing devices, ranging from hardware random number generators to quantum computers. [24] Considerable interest in new single-photon detector technologies has been scaling in this past decade. [23] Engineers develop key mathematical formula for driving quantum experiments. [22] Physicists are developing quantum simulators, to help solve problems that are beyond the reach of conventional computers. [21] Engineers at Australia's University of New South Wales have invented a radical new architecture for quantum computing, based on novel 'flip-flop qubits', that promises to make the large-scale manufacture of quantum chips dramatically cheaper-and easier-than thought possible. [20]
Category: Condensed Matter
[20] viXra:1912.0294 [pdf] submitted on 2019-12-16 07:48:32
Authors: George Rajna
Comments: 70 Pages.
In a recently published paper in Science Advances, Feng Ding of the Center for Multidimensional Carbon Materials and colleagues have achieved the creation of a specific type of carbon nanotubes (CNTs) with a selectivity of 90 percent, and expanded the current theory that explains the synthesis of these promising nanocylinders. [46]
An international team of scientists led by researchers from the Laboratory of Nanomaterials at the Skoltech Center for Photonics and Quantum Materials (CPQM) has shown that the nonlinear optical response of carbon nanotubes can be controlled by electrochemical gating. [45]
Category: Condensed Matter
[19] viXra:1912.0268 [pdf] submitted on 2019-12-14 05:27:29
Authors: George Rajna
Comments: 51 Pages.
Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. [30]
The nano research team led by professors Helge Weman and Bjørn-Ove Fimland at the Norwegian University of Science and Technology's (NTNU) Department of Electronic Systems has succeeded in creating light-emitting diodes, or LEDs, from a nanomaterial that emits ultraviolet light. [29]
Researchers at Tokyo Tech have developed a nanosized container bearing photoswitches that takes up hydrophobic compounds of various size and shape in water and subsequently releases them quantitatively by non-invasive light stimulus. [28] By studying how electrons in two-dimensional graphene can literally act like a liquid, researchers have paved the way for further research into a material that has the potential to enable future electronic computing devices that outpace silicon transistors. [27] This research is a therefore a step towards basic and technological research into 3-D analogues of QSH insulators, and may ultimately lead to new electronic and spintronic technologies. [26] Topological insulators (TIs) host exotic physics that could shed new light on the fundamental laws of nature. [25] A new study by scientists from the University of Bristol brings us a significant step closer to unleashing the revolutionary potential of quantum computing by harnessing silicon fabrication technology to build complex on-chip quantum optical circuits. [24] Two teams of scientists from the Technion-Israel Institute of Technology have collaborated to conduct groundbreaking research leading to the development of a new and innovative scientific field: Quantum Metamaterials. [23]
Category: Condensed Matter
[18] viXra:1912.0261 [pdf] submitted on 2019-12-13 09:50:26
Authors: George Rajna
Comments: 24 Pages.
Now, a team of researchers led by Dongsheng Li, a materials scientist at PNNL, and collaborators at the University of Michigan and the Chinese Academy of Sciences, have unlocked the secret to one of the most useful nanostructures: the five-fold twin. [18] The researchers have generated femtosecond laser pulses, with tailor-made, temporally varying polarizations, which are themselves chiral. [17] The scientists identified a shortlist, a kind of "periodic table" of the most designable knot types, i.e. those knots that could easily self-assemble under appropriate physical and chemical conditions. [16] Scientists have now observed for the first time how diamonds grow from seed at an atomic level, and discovered just how big the seeds need to be to kick the crystal growing process into overdrive. [15] The researchers engineered diamond strings that can be tuned to quiet a qubit's environment and improve memory from tens to several hundred nanoseconds, enough time to do many operations on a quantum chip. [14] Intel has announced the design and fabrication of a 49-qubit superconducting quantum-processor chip at the Consumer Electronics Show in Las Vegas. To improve our understanding of the so-called quantum properties of materials, scientists at the TU Delft investigated thin slices of SrIrO3, a material that belongs to the family of complex oxides. [12] New research carried out by CQT researchers suggest that standard protocols that measure the dimensions of quantum systems may return incorrect numbers. [11] Is entanglement really necessary for describing the physical world, or is it possible to have some post-quantum theory without entanglement? [10] A trio of scientists who defied Einstein by proving the nonlocal nature of quantum entanglement will be honoured with the John Stewart Bell Prize from the University of Toronto (U of T). [9] While physicists are continually looking for ways to unify the theory of relativity, which describes large-scale phenomena, with quantum theory, which describes small-scale phenomena, computer scientists are searching for technologies to build the quantum computer using Quantum Information. In August 2013, the achievement of "fully deterministic" quantum teleportation, using a hybrid technique, was reported. On 29 May 2014, scientists announced a reliable way of transferring data by quantum teleportation. Quantum teleportation of data had been done before but with highly unreliable methods. The accelerating electrons explain not only the Maxwell Equations and the Special Relativity, but the Heisenberg Uncertainty Relation, the Wave-Particle Duality and the electron's spin also, building the Bridge between the Classical and Quantum Theories. The Planck Distribution Law of the electromagnetic oscillators explains the electron/proton mass rate and the Weak and Strong Interactions by the diffraction patterns. The Weak Interaction changes the diffraction patterns by moving the electric charge from one side to the other side of the diffraction pattern, which violates the CP and Time reversal symmetry. The diffraction patterns and the locality of the self-maintaining electromagnetic potential explains also the Quantum Entanglement, giving it as a natural part of the Relativistic Quantum Theory and making possible to build the Quantum Computer with the help of Quantum Information.
Category: Condensed Matter
[17] viXra:1912.0260 [pdf] submitted on 2019-12-13 10:12:10
Authors: George Rajna
Comments: 26 Pages.
In a recent paper in Science Advances, researchers from the University of Amsterdam present new experimental insight into how lubrication works. [19]
Now, a team of researchers led by Dongsheng Li, a materials scientist at PNNL, and collaborators at the University of Michigan and the Chinese Academy of Sciences, have unlocked the secret to one of the most useful nanostructures: the five-fold twin. [18]
The researchers have generated femtosecond laser pulses, with tailor-made, temporally varying polarizations, which are themselves chiral. [17] The scientists identified a shortlist, a kind of "periodic table" of the most designable knot types, i.e. those knots that could easily self-assemble under appropriate physical and chemical conditions. [16] Scientists have now observed for the first time how diamonds grow from seed at an atomic level, and discovered just how big the seeds need to be to kick the crystal growing process into overdrive. [15] The researchers engineered diamond strings that can be tuned to quiet a qubit's environment and improve memory from tens to several hundred nanoseconds, enough time to do many operations on a quantum chip. [14] Intel has announced the design and fabrication of a 49-qubit superconducting quantum-processor chip at the Consumer Electronics Show in Las Vegas. To improve our understanding of the so-called quantum properties of materials, scientists at the TU Delft investigated thin slices of SrIrO3, a material that belongs to the family of complex oxides. [12] New research carried out by CQT researchers suggest that standard protocols that measure the dimensions of quantum systems may return incorrect numbers. [11] Is entanglement really necessary for describing the physical world, or is it possible to have some post-quantum theory without entanglement? [10] A trio of scientists who defied Einstein by proving the nonlocal nature of quantum entanglement will be honoured with the John Stewart Bell Prize from the University of Toronto (U of T). [9] While physicists are continually looking for ways to unify the theory of relativity, which describes large-scale phenomena, with quantum theory, which describes small-scale phenomena, computer scientists are searching for technologies to build the quantum computer using Quantum Information. In August 2013, the achievement of "fully deterministic" quantum teleportation, using a hybrid technique, was reported. On 29 May 2014, scientists announced a reliable way of transferring data by quantum teleportation. Quantum teleportation of data had been done before but with highly unreliable methods. The accelerating electrons explain not only the Maxwell Equations and the Special Relativity, but the Heisenberg Uncertainty Relation, the Wave-Particle Duality and the electron's spin also, building the Bridge between the Classical and Quantum Theories. The Planck Distribution Law of the electromagnetic oscillators explains the electron/proton mass rate and the Weak and Strong Interactions by the diffraction patterns. The Weak Interaction changes the diffraction patterns by moving the electric charge from one side to the other side of the diffraction pattern, which violates the CP and Time reversal symmetry. The diffraction patterns and the locality of the self-maintaining electromagnetic potential explains also the Quantum Entanglement, giving it as a natural part of the Relativistic Quantum Theory and making possible to build the Quantum Computer with the help of Quantum Information.
Category: Condensed Matter
[16] viXra:1912.0247 [pdf] submitted on 2019-12-13 05:22:08
Authors: George Rajna
Comments: 49 Pages.
Safe nuclear waste storage, new ways of generating and storing hydrogen, and technologies for capturing and reusing greenhouse gases are all potential spinoffs of a new study by University of Guelph researchers. [31] Apart from carrying small objects to various spots of a microfluidic device, the researchers can also localize them with high spatial resolution and then take them away if necessary. This capability may open up new avenues in nanoscale assembly and sensing. [30] Scientists at the U.S. Naval Research Laboratory have devised a new process for using nano-particles to build powerful lasers that are more efficient and safer for your eyes. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23] An exotic state of matter that is dazzling scientists with its electrical properties, can also exhibit unusual optical properties, as shown in a theoretical study by researchers at A*STAR. [22]
Category: Condensed Matter
[15] viXra:1912.0244 [pdf] submitted on 2019-12-13 06:25:08
Authors: George Rajna
Comments: 52 Pages.
Last year, the MIT team members and their colleagues reported that Fe3Sn2, a compound with a three to two ratio of iron to tin, generates Dirac fermions—a special kind of electronic state in which the spin of the electron and the orbit of the electron are coupled to each other. [37]
Scientists at the Okinawa Institute of Science and Technology Graduate University (OIST) report an approach for studying charge transfer that does not rely on complicated equipment—simplifying the real-time observation of catalysis. [36]
invented a groundbreaking method that allows for easy determination of the surface free energy of particles as a quantitative measure of particle hydrophobicity. [35] A research team of Ehime University paved a way to achieve unexplored III-V semiconductor nanostructures. [34] Evening gowns with interwoven LEDs may look extravagant, but the light sources need a constant power supply from devices that are as well wearable, durable, and lightweight. [33] Rice University scientists have found revealing information where light from a molecule meets light from a nanoparticle. [32] A University of Wyoming researcher and his team have shown, for the first time, the ability to globally align single-wall carbon nanotubes along a common axis. [31] The fight against global antibiotic resistance has taken a major step forward with scientists discovering a concept for fabricating nanomeshes as an effective drug delivery system for antibiotics. [30] The solution consisting of colloidal quantum dots is inkjet-printed, creating active photosensitive layer of the photodetector. [29] I'm part of a group of nanotechnology and neuroscience researchers at the University of Washington investigating how quantum dots behave in the brain. [28] Nanotechnology may provide an effective treatment for Parkinson's disease, a team of researchers suggests. [27]
Category: Condensed Matter
[14] viXra:1912.0243 [pdf] replaced on 2025-09-23 14:54:19
Authors: Anindya Kumar Biswas
Comments: 76 Pages. A mistake in plotting BW(c=0.01) has been rectified
We study Oxford English dictionaries of economics, geography and psychology; look into Concise Oxford English dictionaries of linguistics and medical and consult Dorland’s pocket medical dictionary respectively. We draw the natural logarithm of the number of entries, normalised, starting with a letter vs the natural logarithm of the rank of the letter, normalised. We find that the graphs are closer to the curves of reducedmagnetisation vs reduced temperature for the Bethe-Peierls approximation of the Isingmodel with four nearest neighbours, in absence and presence of little temperature dependent external magnetic fields i.e. magnetisation curves for various constant values of βH. For economics, geography and two medical dictionaries βH is zero. For linguistics and psychology dictionaries βH is 0.02. Moreover, we have redone the analysis for the Oxford Dictionary of Construction, Surveying andCivil Engineering as well as for the Oxford Dictionary of Science and have found that the entries underlie magnetisation curves for the the Bethe-Peierls approximation of the Isingmodel with four nearest neighbours with βH=0.02 and βH=0.01 respectively. β is 1/(k_B T) where, T is temperature, H is external magnetic field and k_B is the Boltzmann constant.
Category: Condensed Matter
[13] viXra:1912.0223 [pdf] submitted on 2019-12-12 06:31:11
Authors: George Rajna
Comments: 50 Pages.
Researchers at Leiden University and TU Delft have combined two techniques that are used to measure the structure of biomolecules, creating a method that is 10 times more sensitive. [33] The researchers hope that these predictions will now also be tested experimentally and lead to the development of new nanostructures. Such systems can make important contributions to the further miniaturisation of electronics. [32] Researchers at Cardiff University have shown tiny light-emitting nanolasers less than a tenth of the size of the width of a human hair can be integrated into silicon chip design. [31] Large-scale plasmonic metasurfaces could find use in flat panel displays and other devices that can change colour thanks to recent work by researchers at the University of Cambridge in the UK. [30] Particles in solution can grow, transport, collide, interact, and aggregate into complex shapes and structures. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23]
Category: Condensed Matter
[12] viXra:1912.0214 [pdf] submitted on 2019-12-11 13:04:56
Authors: George Rajna
Comments: 53 Pages.
Researchers in the Organic Photonics and Nano-optics goup at the Laboratory of Organic Electronics have developed optical nanoantennas made from a conducting polymer. [33] The first detection of quantum dots using this approach has been outstanding. [32] Researchers from Empa and ETH Zurich, together with colleagues from IBM Research Zurich, have recently been able to create this effect with long-range ordered nanocrystal superlattices. [31] The optical tweezer is revealing new capabilities while helping scientists understand HYPERLINK "https://phys.org/tags/quantum+mechanics/" quantum mechanics, the theory that explains nature in terms of subatomic particles. [30] In the perspective, Gabor and Song collect early examples in electron metamaterials and distil emerging design strategies for electronic control from them. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23]
Category: Condensed Matter
[11] viXra:1912.0206 [pdf] submitted on 2019-12-11 01:35:55
Authors: George Rajna
Comments: 34 Pages.
For the first time, the researchers have now succeeded in producing such a structure in practice, and showed that the theory does correspond to reality. [21] University of Groningen physicists in collaboration with a theoretical physics group from Universität Regensburg have built an optimized bilayer graphene device that displays both long spin lifetimes and electrically controllable spin-lifetime anisotropy. [20] Researchers working at coupled graphene, a monolayer form of carbon, with thin layers of magnetic materials like cobalt and nickel to produce exotic behavior in electrons that could be useful for next-generation computing applications. [19] Particles can exchange their spin, and in this way spin currents can be formed in a material. [18] Researchers have shown that certain superconductors-materials that carry electrical current with zero resistance at very low temperatures-can also carry currents of 'spin'. [17] The first known superconductor in which spin-3/2 quasiparticles form Cooper pairs has been created by physicists in the US and New Zealand. [16] Now a team of researchers from the University of Maryland (UMD) Department of Physics together with collaborators has seen exotic superconductivity that relies on highly unusual electron interactions. [15] A group of researchers from institutions in Korea and the United States has determined how to employ a type of electron microscopy to cause regions within an iron-based superconductor to flip between superconducting and non-superconducting states. [14] In new research, scientists at the University of Minnesota used a first-of-its-kind device to demonstrate a way to control the direction of the photocurrent without deploying an electric voltage. [13] Brown University researchers have demonstrated for the first time a method of substantially changing the spatial coherence of light. [12] Researchers at the University of Central Florida have generated what is being deemed the fastest light pulse ever developed. [11]
Category: Condensed Matter
[10] viXra:1912.0203 [pdf] submitted on 2019-12-11 04:38:21
Authors: George Rajna
Comments: 35 Pages.
Researchers of the Center for Multidimensional Carbon Materials (CMCM) within the Institute for Basic Science (IBS, South Korea) have reported in Nature Nanotechnology the first experimental observation of a chemically induced conversion of large-area bilayer graphene to the thinnest possible diamond-like material, under moderate pressure and temperature conditions. [22]
For the first time, the researchers have now succeeded in producing such a structure in practice, and showed that the theory does correspond to reality. [21]
Category: Condensed Matter
[9] viXra:1912.0190 [pdf] submitted on 2019-12-10 06:28:02
Authors: George Rajna
Comments: 51 Pages.
The first detection of quantum dots using this approach has been outstanding. [32] Researchers from Empa and ETH Zurich, together with colleagues from IBM Research Zurich, have recently been able to create this effect with long-range ordered nanocrystal superlattices. [31] The optical tweezer is revealing new capabilities while helping scientists understand HYPERLINK "https://phys.org/tags/quantum+mechanics/" quantum mechanics, the theory that explains nature in terms of subatomic particles. [30] In the perspective, Gabor and Song collect early examples in electron metamaterials and distil emerging design strategies for electronic control from them. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23] An exotic state of matter that is dazzling scientists with its electrical properties, can also exhibit unusual optical properties, as shown in a theoretical study by researchers at A*STAR. [22]
Category: Condensed Matter
[8] viXra:1912.0169 [pdf] submitted on 2019-12-09 05:09:33
Authors: George Rajna
Comments: 81 Pages.
This is the finding of researchers in the UK and Germany who made the dots, or “graphenoids”, using a bottom-up chemical process rather than the top-down methods usually employed to create such nanostructures. [49]
The Graphene Flagship brought together top European researchers and companies to discuss the most disruptive ways graphene could enhance composites used in the aerospace, automotive and energy industries. [48]
Contrary to what is believed, monolayer graphene (a sheet of carbon just one atomic layer thick) has 3D mechanical properties and they can now be properly measured and meaningfully described thanks to high-pressure Raman spectra measurements on the material. [47]
Category: Condensed Matter
[7] viXra:1912.0150 [pdf] submitted on 2019-12-08 03:21:25
Authors: George Rajna
Comments: 78 Pages.
Northwestern Engineering researchers have developed a novel design strategy to identify new materials exhibiting a metal-insulator transition (MIT), a rare class of materials categorized by their ability to reversibly switch between electrically conducting and insulating states. [44] Physicists at University of California, Riverside, have designed an experiment to explain the concept of magnetic resonance. The project was carried out by undergraduate students in collaboration with local high school teachers. [43] Magnetic reconnection, a process in which magnetic field lines tear and come back together, releasing large amounts of kinetic energy, occurs throughout the universe. [42] Plasma particle accelerators more powerful than existing machines could help probe some of the outstanding mysteries of our universe, as well as make leaps forward in cancer treatment and security scanning-all in a package that's around a thousandth of the size of current accelerators. [41] The Department of Energy's SLAC National Accelerator Laboratory has started to assemble a new facility for revolutionary accelerator technologies that could make future accelerators 100 to 1,000 times smaller and boost their capabilities. [40] The authors designed a mechanism based on the deployment of a transport barrier to confine the particles and prevent them from moving from one region of the accelerator to another. "There is strong experimental evidence that there is indeed some new physics lurking in the lepton sector," Dev said. [38] Now, in a new result unveiled today at the Neutrino 2018 conference in Heidelberg, Germany, the collaboration has announced its first results using antineutrinos, and has seen strong evidence of muon antineutrinos oscillating into electron antineutrinos over long distances, a phenomenon that has never been unambiguously observed. [37]
Category: Condensed Matter
[6] viXra:1912.0146 [pdf] submitted on 2019-12-08 07:35:24
Authors: George Rajna
Comments: 79 Pages.
Triboelectric generation is an energy harvesting technique that generates electricity through induction of triboelectric effects using discarded physical energy. [45] Northwestern Engineering researchers have developed a novel design strategy to identify new materials exhibiting a metal-insulator transition (MIT), a rare class of materials categorized by their ability to reversibly switch between electrically conducting and insulating states. [44] Physicists at University of California, Riverside, have designed an experiment to explain the concept of magnetic resonance. The project was carried out by undergraduate students in collaboration with local high school teachers. [43] Magnetic reconnection, a process in which magnetic field lines tear and come back together, releasing large amounts of kinetic energy, occurs throughout the universe. [42] Plasma particle accelerators more powerful than existing machines could help probe some of the outstanding mysteries of our universe, as well as make leaps forward in cancer treatment and security scanning-all in a package that's around a thousandth of the size of current accelerators. [41] The Department of Energy's SLAC National Accelerator Laboratory has started to assemble a new facility for revolutionary accelerator technologies that could make future accelerators 100 to 1,000 times smaller and boost their capabilities. [40] The authors designed a mechanism based on the deployment of a transport barrier to confine the particles and prevent them from moving from one region of the accelerator to another. "There is strong experimental evidence that there is indeed some new physics lurking in the lepton sector," Dev said. [38]
Category: Condensed Matter
[5] viXra:1912.0144 [pdf] submitted on 2019-12-08 08:52:55
Authors: George Rajna
Comments: 79 Pages.
The Graphene Flagship brought together top European researchers and companies to discuss the most disruptive ways graphene could enhance composites used in the aerospace, automotive and energy industries. [48]
Contrary to what is believed, monolayer graphene (a sheet of carbon just one atomic layer thick) has 3D mechanical properties and they can now be properly measured and meaningfully described thanks to high-pressure Raman spectra measurements on the material. [47]
The team has turned graphene oxide (GO) into a soft, moldable and kneadable play dough that can be shaped and reshaped into free-standing, three-dimensional structures. [46]
Category: Condensed Matter
[4] viXra:1912.0080 [pdf] submitted on 2019-12-04 02:52:55
Authors: George Rajna
Comments: 48 Pages.
The researchers hope that these predictions will now also be tested experimentally and lead to the development of new nanostructures. Such systems can make important contributions to the further miniaturisation of electronics. [32] Researchers at Cardiff University have shown tiny light-emitting nanolasers less than a tenth of the size of the width of a human hair can be integrated into silicon chip design. [31] Large-scale plasmonic metasurfaces could find use in flat panel displays and other devices that can change colour thanks to recent work by researchers at the University of Cambridge in the UK. [30] Particles in solution can grow, transport, collide, interact, and aggregate into complex shapes and structures. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23] An exotic state of matter that is dazzling scientists with its electrical properties, can also exhibit unusual optical properties, as shown in a theoretical study by researchers at A*STAR. [22]
Category: Condensed Matter
[3] viXra:1912.0079 [pdf] submitted on 2019-12-04 03:05:42
Authors: George Rajna
Comments: 52 Pages.
The researchers expect the work principle to manipulate 2-D magnetism by engineering unique spatially dependent spin textures for a variety of applications with vDW materials. [32] Researchers at Cardiff University have shown tiny light-emitting nanolasers less than a tenth of the size of the width of a human hair can be integrated into silicon chip design. [31] Large-scale plasmonic metasurfaces could find use in flat panel displays and other devices that can change colour thanks to recent work by researchers at the University of Cambridge in the UK. [30] Particles in solution can grow, transport, collide, interact, and aggregate into complex shapes and structures. [29] Lawrence Livermore National Laboratory (LLNL) researchers are working to make better electronic devices by delving into the way nanocrystals are arranged inside of them. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23] An exotic state of matter that is dazzling scientists with its electrical properties, can also exhibit unusual optical properties, as shown in a theoretical study by researchers at A*STAR. [22]
Category: Condensed Matter
[2] viXra:1912.0015 [pdf] submitted on 2019-12-02 07:26:24
Authors: George Rajna
Comments: 56 Pages.
How a liquid interacts with the surface of a solid is important in batteries and fuel cells, chemical production, corrosion phenomena, and many biological processes. [39]
With international collaboration, researchers at Aalto University have now developed a nanosized amplifier to help light signals propagate through microchips. [38]
Physicists at the Kastler Brossel Laboratory in Paris have reached a milestone in the combination of cold atoms and nanophotonics. [37]
Category: Condensed Matter
[1] viXra:1912.0014 [pdf] submitted on 2019-12-02 07:45:15
Authors: George Rajna
Comments: 50 Pages.
Physicists from Switzerland, Germany, and France have found that large-amplitude acoustic waves, launched by ultrashort laser pulses, can dynamically manipulate the optical response of semiconductors. [28]
Scientists at Princeton University in the US have discovered that a material known as a Weaire-Phelan foam can act as an optical filter. [27]
Using X-ray laser technology, a team led by researchers of the Paul Scherrer Institute PSI has recorded one of the fastest processes in biology. [26]
A Virginia Commonwealth University researcher has developed a procedure for identifying the source of cells present in a forensic biological sample that could change how cell types are identified in samples across numerous industries. [25]
Category: Condensed Matter
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