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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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Journal Article |
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Year |
1982 |
Publication |
Optics and Spectroscopy |
Abbreviated Journal |
Optics and Spectroscopy |
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Volume |
52 |
Issue |
4 |
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454-455 |
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Keywords |
Ge, exciton photoconduction |
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1715 |
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Author |
Voevodin, E. I.; Gershenzon, E. M.; Goltsman, G. N.; Ptitsina, N. G.; Chulkova, G. M. |
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Title |
Capture of free holes by charged acceptors in uniaxially deformed Ge |
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Journal Article |
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Year |
1988 |
Publication |
Fizika i Tekhnika Poluprovodnikov |
Abbreviated Journal |
Fizika i Tekhnika Poluprovodnikov |
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Volume |
22 |
Issue |
3 |
Pages |
540-543 |
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Keywords |
Ge, free holes, capture |
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Abstract |
Цель настоящей работы — исследование кинетики примесной фотопроводимости p-Ge при сильном одноосном сжатии в широком диапазоне изменения интенсивности примесного подсвета, создающего свободные дырки, и определение сечения каскадного захвата дырок на мелкие заряженные акцепторы в условиях преобладания электрон-фононного механизма потерь энергии. |
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Russian |
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Захват свободных дырок заряженными акцепторами в одноосно деформированном Ge |
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1698 |
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Verevkin, A. A.; Ptitsina, N. G.; Smirnov, K. V.; Voronov, B. M.; Gol’tsman, G. N.; Gershenson, E. M.; Yngvesson, K. S. |
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Title |
Multiple Andreev reflection in hybrid AlGaAs/GaAs structures with superconducting NbN contacts |
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Journal Article |
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Year |
1999 |
Publication |
Semicond. |
Abbreviated Journal |
Semicond. |
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Volume |
33 |
Issue |
5 |
Pages |
551-554 |
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Keywords |
2DEG, AlGaAs/GaAs heterostructures |
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Abstract |
The conductivity of hybrid microstructures with superconducting contacts made of niobium nitride to a semiconductor with a two-dimensional electron gas in a AlGaAs/GaAs heterostructure has been investigated. Distinctive features of the behavior of the conductivity indicate the presence of multiple Andreev reflection at scattering centers in the normal region near the superconductor-semiconductor boundary. |
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1063-7826 |
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1571 |
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Verevkin, A. A.; Ptitsina, N. G.; Chulcova, G. M.; Gol'tsman, G. N.; Gershenzon, E. M.; Yngvesson, K. S. |
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Title |
Direct measurements of energy relaxation time of electrons in AlGaAs/GaAs heterostructures under quasi-equilibrium conditions |
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Journal Article |
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Year |
1996 |
Publication |
Surface Science |
Abbreviated Journal |
Surface Science |
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Volume |
361-362 |
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Pages |
569-573 |
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Keywords |
2DEG, AlGaAs/GaAs heterostructures |
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For the first time, results are presented of a direct measurement of the energy relaxation time τε of 2D electrons in an AlGaAs/GaAs heterojunction at T = 1 and 5–20 K. A weak temperature dependence of τε for the T > 4K range and a linear temperature dependence of the reciprocal of τε for T < 4K have been observed. The linear dependence τε−1 ≈ T in the Bloch-Gruneisen regime is direct evidence of the predominance of the piezo-electric mechanism of electron-phonon interaction in non-elastic electron scattering processes. The values of τε in this regime are in very good agreement with the results of the Karpus theory. At higher temperatures, where the deformation-potential scattering becomes noticeable, a substantial disagreement between the experimental data and the theoretical results is observed. |
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0039-6028 |
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1609 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Multanovskii, V. V.; Ptitsina, N. G. |
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Title |
Cross section for binding of free carriers into excitons in germanium |
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Journal Article |
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Year |
1981 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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Volume |
33 |
Issue |
11 |
Pages |
574 |
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Keywords |
Ge, excitons, photoconductivity |
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1718 |
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