Quantum Physics

   

High-Temperature Superconductivity

Authors: George Rajna

Researchers at North Carolina State University have significantly increased the temperature at which carbon-based materials act as superconductors, using a novel, boron-doped Q-carbon material. [39] Magnetic quantum objects in superconductors, so-called "fluxons," are particularly suitable for the storage and processing of data bits. [38] Researchers have made the first direct visual observation and measurement of ultra-fast vortex dynamics in superconductors. [37] By gently prodding a swirling cloud of supercooled lithium atoms with a pair of lasers, and observing the atoms' response, researchers at Swinburne have developed a new way to probe the properties of quantum materials. [36] The nickel-bismuth (Ni-Bi) sample studied here is the first example of a 2-D material where this type of superconductivity is intrinsic, meaning that it happens without the help of external agents, such as a nearby superconductor. [35] Researchers at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and Argonne National Laboratory have collaborated to design, build and test two devices that utilize different superconducting materials and could make X-ray lasers more powerful, versatile, compact and durable. [34] A team of researchers at the U.S. Department of Energy's (DOE) Argonne National Laboratory has identified a nickel oxide compound as an unconventional but promising candidate material for high-temperature superconductivity. [33]

Comments: 35 Pages.

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[v1] 2017-07-25 05:58:47

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