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Gershenzon, E. M.; Gol'tsman, G.; Ptitsina, N. G. |
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Title |
Energy spectrum of free excitons in germanium |
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Year |
1973 |
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JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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Volume |
18 |
Issue  |
3 |
Pages |
93 |
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Keywords |
Ge, free excitons, energy spectrum |
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1734 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Ptitsina, N. G.; Riger, E. R. |
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Title |
Effect of electron-electron collisions on the trapping of free carriers by shallow impurity centers in germanium |
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Year |
1986 |
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Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
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Volume |
64 |
Issue |
4 |
Pages |
889-897 |
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Keywords |
Ge, trapping of free carriers |
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Abstract |
Cascade Auger recombination of free carriers on shallow impurities in Ge is investigated under quasi-equilibrium conditions (T= 2-12 K) and in impurity breakdown. The Auger capture cross sections are found to be a,= 5. 10-l9 T-'n cm2 for donors and uip= 7- T-5p cm2 for acceptors. It is shown that in an isotropic semiconductor (p-Ge) ui is well described by the cascade-capture theory that takes into account only electron-electron collisions. In an anisotropic semiconductor ui is considerably larger (n-Ge, strongly uniaxially compressedp-Ge). Under impurity breakdown conditions the electron-electron collisions determine the lifetimes of the free carriers only in samples with appreciable density of the compensating impurity (Nk loi3 cmP3). |
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1707 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Ptitsina, N. G. |
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Title |
Observation of the free-exciton spectrum at submillimeter wavelengths |
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Journal Article |
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Year |
1972 |
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JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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Volume |
16 |
Issue |
4 |
Pages |
161-162 |
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Keywords |
Ge, energy spectrum, free excitons |
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1736 |
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Gershenzon, E. M.; Goltsman, G. N.; Multanovskii, V. V.; Ptitsina, N. G. |
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Title |
Kinetics of submillimeter impurity and exciton photoconduction in Ge |
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1982 |
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Optics and Spectroscopy |
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Optics and Spectroscopy |
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Volume |
52 |
Issue |
4 |
Pages |
454-455 |
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Keywords |
Ge, exciton photoconduction |
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1715 |
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Author |
Gershenzon, E. M.; Orlov, L. A.; Ptitsina, N. G. |
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Title |
Absorption spectra in electron transitions between excited states of impurities in germanium |
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Year |
1975 |
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JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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Volume |
22 |
Issue |
4 |
Pages |
95-97 |
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Keywords |
Ge, impurities, excited states, absorption spectra |
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1773 |
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