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Contribution of f- and g- transitions to electron intervalley scattering of n-S at temperatures 300 to 450 K
The change in mobility with increasing the temperature which may be due to the inclusion of gLO-phonon energy of 720K, is presented. In orientation of the uniaxial pressure X//[110]//J, g-transitions are attached in the directions [100] and [010]. The ftransitions are not completely removed from...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
2012
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| Series: | Semiconductor Physics Quantum Electronics & Optoelectronics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/118279 |
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| Summary: | The change in mobility with increasing the temperature which may be due to
the inclusion of gLO-phonon energy of 720K, is presented. In orientation of the uniaxial
pressure X//[110]//J, g-transitions are attached in the directions [100] and [010]. The ftransitions
are not completely removed from valleys located in the plane (100). In this
case, there is no change in the slope of the dependence logρ vs. logT for the
temperature range 300 to 450 K. So, no contribution of g-transitions to intervalley
scattering occurs, while the observed is tha decisive role of f–transitions to this
scattering. |
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