| Records |
| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Ptitsina, N. G. |
| Title |
Population and lifetime of excited states of shallow impurities in Ge |
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Journal Article |
| Year |
1979 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
| Volume |
49 |
Issue |
2 |
Pages |
355-362 |
| Keywords |
Ge, photothermal ionization, shallow impurities |
| Abstract |
An investigation was made of the dependences of the intensities of photothermal ionization lines of excited states of shallow impurities in Ge on the intensity of impurity-absorbed background radiation and on temperature. The results obtained were used to find the density and lifetime of carriers of lower excited states of the impurity centers. The lifetimes of the excited states of donors in Ge were 10-~-10-" sec and the lifetime of the lower excited state of acceptors was -lo-' sec. In the presence of background radiation the population of the excited states was very different from the equilibrium value and, in particular, a population inversion of the 2pk, state relative to the 3p0 and 3s states was observed. |
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1719 |
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| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Multanovskii, V. V.; Ptitsina, N. G. |
| Title |
Cross section for binding of free carriers into excitons in germanium |
Type |
Journal Article |
| Year |
1981 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
33 |
Issue |
11 |
Pages |
574 |
| Keywords |
Ge, excitons, photoconductivity |
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1718 |
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| Author |
Gershenzon, E. M.; Gershenzon, M. E.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Nonselective effect of electromagnetic radiation on a superconducting film in the resistive state |
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Journal Article |
| Year |
1982 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
36 |
Issue |
7 |
Pages |
296-299 |
| Keywords |
HEB |
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Неселективное воздействие электромагнитного излучения на сверхпроводящую пленку в резистивном состоянии |
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1717 |
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Gershenzon, E.; Gershenzon, M. E.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Heating of quasiparticles in a superconducting film in the resistive state |
Type |
Journal Article |
| Year |
1981 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
34 |
Issue |
5 |
Pages |
268-271 |
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1716 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Multanovskii, V. V.; Ptitsina, N. G. |
| Title |
Kinetics of electron and hole binding into excitons in germanium |
Type |
Journal Article |
| Year |
1983 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
| Volume |
57 |
Issue |
2 |
Pages |
369-376 |
| Keywords |
Ge, electron and hole binding |
| Abstract |
The kinetics of binding of free carriers'into excitons under stationary and nonstationary conditions is studied by investigating the submillimeter photoconductivity of Ge in a wide range of temperatures and of excitation levels. It is shown that the absolute values and the temperature dependence of the binding cross section (o- T-'.' ) can be satisfactorily described by the cascade recombination theory. The value of o and its temperature dependence differ significantly from the cross sections, measured in the same manner, for capture by attracting small impurities. Under nonstationary conditions, just as in the case of recombination with shallow impurities, a signifi- cant role is played by the sticking of the carriers in highly excited states. |
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1711 |
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