| Records |
| Author |
Aksaev, E. E.; Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Interaction of electrons with thermal phonons in YBa2Cu3O7-δ films at low temperatures |
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Journal Article |
| Year |
1989 |
Publication  |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
50 |
Issue |
5 |
Pages |
283-286 |
| Keywords |
YBCO HTS films |
| Abstract |
The time of electron-phonon interaction tau(eph) in YBaCuO films at low temperatures is studied. This is measured as the time of resistance relaxation in the resistive state of the superconducter, and is also determined from the increase in resistance under the action of radiation. Consistent results of these methods show that resistance relaxation in the resistive state is caused by cooling of the electron subsystem with respect to the phonon subsystem. The time tau(eph) is found to be inversely proportional to the temperature and comes to 80 ps when T = 1.6 K and 5 ps when T = 30 K. 6 refs. |
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Gershenzon, E. M.; Gershenzon, M. E.; Gol'tsman, G. N.; Karasik, B. S.; Semenov, A. D.; Sergeev, A. V. |
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Light-induced heating of electrons and the time of the inelastic electron-phonon scattering in the YBaCuO compound |
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Journal Article |
| Year |
1987 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
46 |
Issue |
6 |
Pages |
285-287 |
| Keywords |
YBCO HTS HEB |
| Abstract |
For the first time, measurements have been made on the electron energy relaxation time due to the electron--phonon interaction in films of the YBaCuO superconductor. The results indicate a significant intensification of the electron--phonon interaction in this compound as compared with normal superconducting metals. |
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1706 |
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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 |
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Journal Article |
| Year |
1981 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
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34 |
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5 |
Pages |
268-271 |
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1716 |
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Gershenzon, E. M.; Gershenzon, M. E.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
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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. |
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36 |
Issue |
7 |
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296-299 |
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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. M.; Gershenzon, M. E.; Goltsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Wide-band highspeed Nb and YBaCuO detectors |
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Journal Article |
| Year |
1991 |
Publication |
IEEE Trans. Magn. |
Abbreviated Journal |
IEEE Trans. Magn. |
| Volume |
27 |
Issue |
2 |
Pages |
2836-2839 |
| Keywords |
YBCO, HTS, Nb detectors |
| Abstract |
The physical limitations on the response time and the nature of nonequilibrium detection of radiation were investigated for Nb and YBCO film in a wide spectral range from millimeter to near-infrared wavelengths. In the case of ideal heat removal from the film, the detection mechanism is connected with an electron heating effect which is not selective over a wide spectral interval. For Nb, the dependence of the response time on the electron mean free path l and temperature T is tau varies as T/sup -2/l/sup -1/. The values of detectivity D* and tau are 3*10/sup 11/ W/sup -1/ Hz/sup 1/2/ cm and 5*10/sup -9/ s at T=1.6 K, respectively. For YBCO film the tau value of 1-2 ps at T=77 K was obtained; the NEP value of 3*10/sup -11/ W-Hz/sup -1/2/ can be obtained at T=77 K in the case of the optimal film matching to the radiation. |
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0018-9464 |
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239 |
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