DESI111609
01.06.2021 •
Physics
Why are group 2 or group 6 elements not used for doping semiconductors
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Ответ:
These group VI elements are not as good as the more ordinary dopants in germanium and silicon. They tend to form deep levels, traps, as well as shallow donor levels. The donor levels are less shallow than group V elements and so have limited usefulness at low temperatures (below 100 K).
Ответ: