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Author Aksaev, E. E.; Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. url  openurl
  Title Interaction of electrons with thermal phonons in YBa2Cu3O7-δ films at low temperatures Type Journal Article
  Year 1989 Publication JETP Lett. Abbreviated Journal JETP Lett.  
  Volume 50 Issue (down) 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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  Notes Approved no  
  Call Number Serial 1690  
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Author Gershenzon, E. M.; Gol'tsman, G. N.; Karasik, B. S.; Semenov, A. D. url  openurl
  Title Measurement of the energy gap in the compound YBaCu3O9-δ on the basis of the IR absorption spectrum Type Journal Article
  Year 1987 Publication JETP Lett. Abbreviated Journal JETP Lett.  
  Volume 46 Issue (down) 5 Pages 237-238  
  Keywords YBCO HTS detectors  
  Abstract For the first time the long-wave infrared absorption spectrum has been measured by means of the bolometric effect and energy gap for high-temperature superconducting ceramics YBa/sub 2/Cu/sub 3/O/sub 9-delta/ has been determined from absorption threshold. 2delta/kT/sub c/ value is equal to 0.6.  
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  Notes Approved no  
  Call Number Serial 1703  
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Author Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D. url  openurl
  Title Submillimeter backward wave tube spectrometer for measuring superconducting film transmission Type Journal Article
  Year 1983 Publication Pribory i Tekhnika Eksperimenta Abbreviated Journal Pribory i Tekhnika Eksperimenta  
  Volume 26 Issue (down) 5 Pages 134-137  
  Keywords BWO spectroscopy, spectrometer, transmission  
  Abstract A spectrometer employing six backward wave tubes is described. It is intended for investigation of superconductors in the 0.2-3 mm range of wave lengths. During the measurement of the transmission spectrum it is possible to determine the energy gap for superconduct1ng films 50 to 4000 A thick. The transmission factor can vary from 10-1 to 10-9. Spectrum of relation of film transmission factors in superconducting and normal states is measured for determining the energy gap 2 Δ. The transmission spectrum obtained by means of a computer for vanadium film 300 A thick is given as an example. The energy gap 2 Δ = 1.4 MeV  
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  Language Russian Summary Language Original Title  
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  ISSN 0032-8162 ISBN Medium  
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  Notes Субмиллиметровый спектрометр с лампами обратной волны для измерения пропускания сверхпроводниковых пленок Approved no  
  Call Number Serial 1713  
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Author Gershenzon, E.; Gershenzon, M. E.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. url  openurl
  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 (down) 5 Pages 268-271  
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  Notes Approved no  
  Call Number Serial 1716  
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Author Gershenzon, E. M.; Gol'tsman, G. N.; Mel'nikov, A. P. url  openurl
  Title Binding energy of a carrier with a neutral impurity atom in germanium and in silicon Type Journal Article
  Year 1971 Publication JETP Lett. Abbreviated Journal JETP Lett.  
  Volume 14 Issue (down) 5 Pages 185-186  
  Keywords Ge, Si, neutral impurity atom, binding energy  
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  Notes Approved no  
  Call Number Serial 1739  
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