• DocumentCode
    1118324
  • Title

    Output signal from Nb-based tunnel junctions by irradiation of 6 keV X-rays

  • Author

    Ishibashi, K. ; Mori, K. ; Takeno, K. ; Nagae, T. ; Matsumoto, Y. ; Takada, S. ; Nakagawa, H. ; Akoh, H.

  • Author_Institution
    Dept. of Nucl. Eng., Kyushu Univ., Fukuoka, Japan
  • Volume
    27
  • Issue
    2
  • fYear
    1991
  • fDate
    3/1/1991 12:00:00 AM
  • Firstpage
    2661
  • Lastpage
    2664
  • Abstract
    Large-size tunnel junctions with a Nb-Al-AlOx-Nb structure have been fabricated in order to study their performance in X-ray detection. The junction detected 5.9-keV X-rays with an energy resolution of 1 keV. The output signal was analyzed by the use of coupled Boltzmann equations. The method based on these equations clarifies the basic behavior of the quasiparticles and phonons, and the average energy for producing a single electron is 3.2 Δ
  • Keywords
    X-ray detection and measurement; alumina; aluminium; niobium; superconducting junction devices; 6 keV; Nb-Al-AlOx-Nb; X-ray detection; coupled Boltzmann equations; energy resolution; phonons; quasiparticles; Electrons; Energy resolution; Equations; Josephson junctions; Niobium; Phonons; Radiation detectors; Superconducting epitaxial layers; Tin; X-ray detection;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/20.133759
  • Filename
    133759