The Pentagon plans to issue a first-time contract to US or Canadian companies by year-end to recover gallium, a mineral used in semiconductors and military radar systems, after China curbed ...

A comprehensive numerical investigation was conducted to analyze the impact of ambient temperature on the performance characteristics of InGaN quantum dot light-emitting diodes (QD-LEDs) using ...

Conventional light-emitting diodes (LEDs) always pursue the high brightness required for solid-state lighting. However, they always exhibit very low frequency bandwidth of tens MHz. In this letter, we ...