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Author Karasik, B. S.; Il'in, K. S.; Ptitsina, N. G.; Gol'tsman, G. N.; Gershenzon, E. M.; Pechen', E. V.; Krasnosvobodtsev, S. I. url  openurl
  Title Electron-phonon scattering rate in impure NbC films Type (up) Abstract
  Year 1998 Publication NASA/ADS Abbreviated Journal NASA/ADS  
  Volume Issue Pages Y35.08  
  Keywords NbC films  
  Abstract The study of the electron-phonon interaction in thin (20 nm) NbC films with electron mean free path l=2-13 nm gives an evidence that electron scattering is significantly modified due to the interference between electron-phonon and elastic electron scattering from impurities. The interference ~T^2-term, which is proportional to the residual resistivity, dominates over the Bloch-Grüneisen contribution to resistivity at low temperatures up to 60 K. The electron energy relaxation rate is directly measured via the relaxation of hot electrons heated by modulated electromagnetic radiation. In the temperature range 1.5 – 10 K the relaxation rate shows a weak dependence on the electron mean free path and strong temperature dependence T^n with the exponent n = 2.5-3. This behaviour is well explained by the theory of the electron-phonon-impurity interference taking into account the electron coupling with transverse phonons determined from the resistivity data.  
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  Area Expedition Conference American Physical Society, Annual March Meeting, March 16-20, 1998 Los Angeles, CA  
  Notes Approved no  
  Call Number Serial 1591  
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Author Dieleman, Piter pdf  openurl
  Title Fundamental limitations of THz niobium and niobiumnitride SIS mixers Type (up) Book Whole
  Year 1998 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords SIS  
  Abstract  
  Address  
  Corporate Author Thesis Ph.D. thesis  
  Publisher Place of Publication Rijksuniversiteit, Groningen Editor  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 529  
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Author Merkel, H. F.; Yagoubov, P. A.; Kroug, M.; Khosropanah, P.; Kollberg, E. L.; Gol’tsman, G. N.; Gershenzon, E. M. url  doi
openurl 
  Title Noise temperature and absorbed LO power measurement methods for NbN phonon-cooled hot electron bolometric mixers at terahertz frequencies Type (up) Conference Article
  Year 1998 Publication Proc. 28th European Microwave Conf. Abbreviated Journal Proc. 28th European Microwave Conf.  
  Volume 1 Issue Pages 294-299  
  Keywords NbN HEB mixers  
  Abstract In this paper the absorbed LO power requirements and the noise performance of NbN based phonon-cooled hot electron bolometric (HEB) quasioptical mixers are investigated for RF frequencies in the 0.55-1.1 range The minimal measured DSB noise temperatures are about 500 K at 640 GHz, 600 K at 750 GHz, 850 K at 910 GHz and 1250 K at 1.1 THz. The increase in noise temperature at 1.1THz is attributed to water absorption. The absorbed LO power is measured using a calorimetric approach. The results are subsequently corrected for lattice heating. These values are compared to results of a novel one dimensional hot spot mixer models and to a more traditional isotherm method which tends to underestimate the absorbed LO power for small bias powers. Typically a LO power between 50nW and 100nW is needed to pump the device to the optimal operating point.  
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  Area Expedition Conference 28th European Microwave Conference  
  Notes Approved no  
  Call Number Serial 1580  
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Author Gerecht, E.; Musante, C. F.; Jian, H.; Yngvesson, K. S.; Dickinson, J.; Waldman, J.; Gol'tsman, G. N.; Yagoubov, P. A.; Voronov, B. M.; Gershenzon, E. M. url  openurl
  Title Measured results for NbN phonon-cooled hot electron bolometric mixers at 0.6-0.75 THz, 1.56 THz, and 2.5 THz Type (up) Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 9th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 105-114  
  Keywords NbN HEB mixers  
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  Notes Approved no  
  Call Number Serial 1587  
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Author Mann, C. M.; Matheson, D. N.; Ellison, B. N.; Oldfield, M. L.; Moyna, B. P.; Spencer, J. J.; Wilsher, D. S.; Maddison, B. J. openurl 
  Title On the design and measurement of a 2.5 THz waveguide mixer Type (up) Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 161  
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  Notes Approved no  
  Call Number RPLAB @ s @ schottky_Tn_16800_at_2p5THz Serial 283  
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Author Chouvaev, D.; Kuzmin, L.; Tarasov, M.; Sundquist, P.; Willander, M.; Claeson, T. openurl 
  Title Normal metal hot-electron microbolometer with Andreev mirrors for THz space applications Type (up) Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 9th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 331-335  
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  Notes Approved no  
  Call Number RPLAB @ s @ det_metal_Andreev_Chouvaev_Shitov Serial 285  
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Author Tetsu Suzuki; Chris Mann; Takanari Yasui; Hirotomo Fujishima; Koji Mizuno openurl 
  Title Quasi–integrated planar Schottky barrier diodes for 2.5 THz receivers Type (up) Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 187  
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  Notes Approved no  
  Call Number RPLAB @ s @ schottky_Tn_24000_at_2p5THz Serial 284  
Permanent link to this record
 
 
Author Maddison, B. J.; Martin, R. J.; Oldfield, M. L.; Mann, C. M.; Matheson, D. N.; Ellison, B. N.; Thornton, J.; Hall, W. J.; Lamarre, D. M. openurl 
  Title A compact 500 GHz planar schottky siode receiver with a wide instantaneous bandwidth Type (up) Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 367  
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  Notes Approved no  
  Call Number RPLAB @ s @ schottky_Tn_4800_at_p5THz Serial 286  
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Author Brown, Robert. L. openurl 
  Title Technical specification of the Millimeter Array Type (up) Conference Article
  Year 1998 Publication Proc. SPIE, Advanced Technology MMW, Radio, and Terahertz Telescopes, vol. 3357 Abbreviated Journal  
  Volume Issue Pages 231-237  
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  Publisher Place of Publication Editor Phillips, Thomas G.  
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  Notes Address is unknown Approved no  
  Call Number RPLAB @ s @ ALMA_tech Serial 287  
Permanent link to this record
 
 
Author Dahl, H.; Metz, H. J.; Wriedt, T. openurl 
  Title Light scattering of silver halide crystals Type (up) Conference Article
  Year 1998 Publication Proc. 3rd Workshop on Electromagnetic and Light Scattering Abbreviated Journal  
  Volume Issue Pages 51-58  
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  Corporate Author Thesis  
  Publisher Place of Publication Universität Bremen Editor  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 504  
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