China restricts metal exports in response to US tariffs. Why they're important.
China hits back at U.S. tariffs by restricting export of crucial metals: tungsten, tellurium, bismuth, molybdenum and indium.
来自MSN2 个月
Enhancing mechanical and thermoelectric performance of alloy for chip-scale refrigeration
Currently, bismuth telluride (Bi 2 Te 3) alloy remains the only candidate material available for commercial PCs. Unfortunately, the layer-structured Bi 2 Te 3 is connected by van der Waals forces ...
来自MSN2 个月
Body heat turned into electricity with new film to power next-gen wearables
The QUT team overcame this hurdle by employing a novel approach that combines the thermoelectric properties of bismuth telluride with the structural benefits of tellurium nanorods. Bismuth ...