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Thermoelectric materials offer a great advantage in generating electricity from ubiquitous heat yet facilitating noiseless, longstanding, and hassle-free operation. A considerable improvement in electrical conductivity has been reported through tuning the doping of Graphene Flake (GF) into p-type CoSb3 based skutterudite using Spark Plasma Sintering (SPS) method. In this paper, a full electrical property for the CoSb3-GFx based polycrystalline thermoelectric energy material has been reported. The electrical conductivity is found to be 33% more for the sample with 0.35 weight percentage (wt%) o...

Optics Bench on a Graphene Flake April 9, 2021• Physics 14, 56 A nanoscale, graphene-based device takes advantage of the wave nature of electrons and provides a level of control that will be useful for quantum computers. M. Jo et al. [1] Making waves with graphene. In this graphene interferometer, electrons flow in three separate current loops (yellow, blue, and red). Current is injected at the upper right corner (not shown), and some fraction of the yellow current tunnels across to join the red current, at the first “beam splitter.” These two currents travel along opposite sid...