Authors: George Rajna
"We discovered a new structure in gold that exists at extreme states—two thirds of the pressure found at the center of Earth," said lead author Richard Briggs, a postdoctoral researcher at LLNL.  The properties of gold in nanoscale are significantly different to those of bulk gold. Of special interest are gold nanoclusters, that are composed of between tens to some hundreds of gold atoms.  A team at Osaka University has created single-molecule nanowires, complete with an insulation layer, up to 10 nanometers in length.  Using optical and electrical measurements, a two-dimensional anisotropic crystal of rhenium disulfide was found to show opposite piezoresistant effects along two principle axes, i.e. positive along one axis and negative along another. 
Comments: 69 Pages.
[v1] 2019-07-31 14:02:11
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