Measurement of the hot-electron conductivity in semiconductors using ultrafast electric pulses |
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| Authors: | Z Dobrovolskis K Grigoras A Krotkus |
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| Institution: | (1) Institute of Semiconductor Physics, Academy of Sciences of the Lithuanian SSR, Vilnius, Lithuania, USSR |
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| Abstract: | Semiconductor response to ultrafast electric pulses was investigated both theoretically and experimentally. The possibilities for hot-electron drift velocity estimation from a pulsed electric conductivity measurement were analysed. An optoelectronic arrangement with time resolution of 20 ps was used to perform such measurements on then-InSb andn-InAs single crystals. Negative differential mobility (n.d.m.) was observed in both semiconductors at high electric fields. |
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| Keywords: | 72 20 |
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