Gift 5 articles to anyone you choose each month when you subscribe. An $800 million deal to sell the owner of the Oporto, Red Rooster and Chargrill Charlie’s brands has collapsed after Affinity ...

It came when the one electron of the hydrogen atom transitioned from the 2P 1/2 energy level to the 2S 1/2 level. (The leftmost number is the principal quantum number, much like the discrete but ...

Abstract: Detrapping mechanisms and their dependence on applied bias have been studied in buffer-free AlGaN/GaN HEMTs on SiC. It is shown that the detrapping time constant decreases by orders of ...