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| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Multanovskii, V. V.; Ptitsina, N. G. |
| Title |
Kinetics of electron and hole binding into excitons in germanium |
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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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Gershenzon, E. M.; Gershenzon, M. E.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Heating of electrons in a superconductor in the resistive state by electromagnetic radiation |
Type |
Journal Article |
| Year |
1984 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
| Volume |
59 |
Issue |
2 |
Pages |
442-450 |
| Keywords |
Nb HEB |
| Abstract |
The effect of heating of electrons relative to phonons is observed and investigated in a superconducting film that is made resistive by current and by an external magnetic field. The effect is manifested by an increase of the film resistance under the influence of the electromagnetic radiation, and is not selective in the frequency band 10^10-10^15 Hz. The independence of the effect of frequency under conditions of strong scattering by static defects is attributed to the decisive role of electron-electron collisions in the distribution function. The experimentally obtained characteristic time of resistance variation near the superconducting transition corresponds to the relaxation time of the order parameter, while at lower temperatures and fields it corresponds to the time of the inelastic electron-phonon interaction. |
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RPLAB @ phisix @ |
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983 |
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Gershenzon, E. M.; Il'in, V. A.; Litvak-Gorskaya, L. B.; Filonovich, S. R. |
| Title |
Character of submillimeter photoconductivity in n-lnSb |
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Journal Article |
| Year |
1979 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
| Volume |
49 |
Issue |
1 |
Pages |
121-128 |
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A comprehensive investigation was made of the submillimeter photoconductivity of n -1nSb in the range of wavelengths L = 0.6-8 mm, magnetic fields H = 0-30 kOe, electric fields E = 0.01-0.5 V/cm, and temperatures T = 1.3-30 K. The kinetics of the photoconductivity processes as a function of T, E; and H is investigated. It is shown that impurity photoconductivity does exist for any degree of compensation of extremely purified n-InSb. Particular attention is paid to the hopping photoconductivity realized in strongly compensated n-1nSb (K > 0.8). |
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985 |
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Gershenzon, E. M.; Goltsman, G. N. |
| Title |
Zeeman effect in excited-states of donors in germanium |
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Journal Article |
| Year |
1972 |
Publication |
Sov. Phys. Semicond. |
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Sov. Phys. Semicond. |
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6 |
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3 |
Pages |
509 |
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Ge, donors, Zeeman effect |
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Amer Inst Physics 1305 Walt Whitman Rd, Ste 300, Melville, Ny 11747-4501 Usa |
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1737 |
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Ptitsina, N. G.; Chulkova, G. M.; Gershenzon, E. M. |
| Title |
Influence of the interference of electron-phonon and electron-impurity scattering on the conductivity of unordered Nb films |
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Journal Article |
| Year |
1995 |
Publication |
JETP |
Abbreviated Journal |
JETP |
| Volume |
80 |
Issue |
5 |
Pages |
960-964 |
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The temperature dependence of the resistivity of Nb thin films has been studied at T=4.2-300 K. It has been shown that quantum interference between electron-phonon and electron-impurity scattering determines the temperature dependence of the resistivity of the films investigated over a broad temperature range. The magnitude of the contribution of the electron-phonon-impurity,interference is described satisfactorily by the theory developed by Reizer and Sergeev {Zh. Eksp. Teor. Fiz. 92,2291 (1987) [Sov. Phys. JETP 65, 1291 (1987)l). The interaction constants of electrons with longitudinal and transverse phonons in Nb films have been determined for the first time by comparing the experimental data with the theory. The values of the constants obtained are consistent with the data on the inelastic electron-phonon scattering times in the films investigated. The contribution of the transverse phonons is dominant both in the interference correction to the resistivity and in the electron energy relaxation. |
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RPLAB @ phisix @ |
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989 |
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