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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Kagane, M. L. |
Title |
Energy spectrum of acceptors in germanium and its response to a magnetic field |
Type |
Journal Article |
Year |
1977 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
Volume |
45 |
Issue |
4 |
Pages |
769-776 |
Keywords |
p-Ge, photoconductivity, energy spectrum, magnetic field |
Abstract |
We investigated the spectrum of the submillimeter photoconductivity of p-Ge at helium temperatures and the effects of a magnetic field up to 40 kOe on the spectrum. A large number of lines of transitions between the excited states of the acceptors was observed, some of the lines were identified, and the energies of a number of spectral levels B, Al, Ga, In, and TI in Ge were identified. The results are compared with calculations and with experimental data obtained from the spectra of the photoexcitation of the ground state of the impurities. Using one transition as an example, we discuss the splitting of the excited states of acceptors in the magnetic field and under uniaxial compression. |
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1727 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Gogidze, I. G.; Semenov, A. D.; Sergeev, A. V. |
Title |
Processes of electron-phonon interaction in thin YBaCuO films |
Type |
Journal Article |
Year |
1991 |
Publication |
Phys. C: Supercond. |
Abbreviated Journal |
Phys. C: Supercond. |
Volume |
185-189 |
Issue |
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Pages |
1371-1372 |
Keywords |
YBCO HTS detectors |
Abstract |
The ultrafast voltage response of YBaCuO films to laser radiation is studied and compared with previously investigated quasiparicles response to radiation of submillimeter wavelength range. Voltage shift under the visible light radiation has two components. Picosecond response realized as suppression superconductivity by nonequilibrium excess quasiparticles, response time is determined by quasiparticles recombination rate. Nanosecond response is probably due to bolometric effect. |
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0921-4534 |
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1676 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Emtsev, V. V.; Mashovets, T. V.; Ptitsyna, N. G.; Ryvkin, S. M. |
Title |
Role of impurities of groups III and V in the formation of defects following γ irradiation of germanium |
Type |
Journal Article |
Year |
1971 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
Volume |
14 |
Issue |
6 |
Pages |
241 |
Keywords |
Ge, gamma irradiation, defects, impurities |
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1742 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
Title |
Intense electromagnetic radiation heating of superconductor electrons in resistive state |
Type |
Journal Article |
Year |
1988 |
Publication |
Fizika Nizkikh Temperatur |
Abbreviated Journal |
Fizika Nizkikh Temperatur |
Volume |
14 |
Issue |
7 |
Pages |
753-763 |
Keywords |
Nb HEB |
Abstract |
An experimental study is made of the effect of intense radiation in the millimeter and submillimeter ranges on thin and narrow Nb films in the resistive state. It is found that the excess resistance resulting from radiation and the dependence of its relaxation time on radiation intensity and transport current can be explained in terms of the effect of electron heating. Quantitative agreement is obtained between the experimental data and a homogeneous electron heating model. |
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1697 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I. |
Title |
Energy spectrum of the donors in GaAs and Ge and its reaction to a magnetic field |
Type |
Journal Article |
Year |
1977 |
Publication |
Sov. Phys. JETP |
Abbreviated Journal |
Sov. Phys. JETP |
Volume |
45 |
Issue |
3 |
Pages |
555-565 |
Keywords |
Ge, GaAs, magnetic field, donors, energy spectrum |
Abstract |
The spectrum of the submillimeter photoconductivity of n-GaAs and n-Ge in a magnetic field up to 60 kOe at helium temperatures was investigated. A large number of lines due to transitions between excited states of the donors have been investigated, and the measurement results were used to determine a number of levels of the energy spectrum in a wide range of magnetic fields. For GaAs, these data are compared with calculations of the energy spectrum of the hydrogen atom in magnetic fields up to -2X lo9 Oe. For the donors in Ge, the energy spectrum is investigated at different orientations of the magnetic field relative to the crystallographic axes (H 11 [loo], [I 1 I], [110]), and these results are also compared with the corresponding calculations. |
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1728 |
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