Performance analyses of TES microcalorimeters with mushroom shaped X-ray absorbers made of Sn or Bi

Y. Ishisaki, U. Morita, T. Koga, K. Shinozaki, K. Sato, N. Takai, T. Ohashi, T. Arakawa, H. Kudo, H. Sato, H. Kobayashi, T. Izumi, S. Ohtsuka, K. Mori, Shuichi Shoji, Tetsuya Osaka, Takayuki Homma, K. Mitsuda, N. Y. Yamasaki, R. Fujimoto & 11 others N. Iyomoto, T. Oshima, K. Futamoto, Y. Takei, T. Ichitsubo, T. Fujimori, K. Yoshida, Y. Kuroda, M. Onishi, M. Goto, F. Beppu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Performance of microcalorimeters with a Ti/Au transition-edge sensor (TES) and an electrodeposited absorber has been investigated. The absorbers are in a mushroom-shape made of Sn or Bi. With an Sn absorber we observed a long time scale component of 1.8 ms for X-ray pulses, which is due presumably to recombination of quasiparticles into phonons. As a result, the energy resolution is not good with the Sn absorber. Better energy resolution of 28±1 eV was obtained with an incomplete-shaped Bi absorber, although the long component was also seen with smaller level. A calorimeter with only a neck of the Au seed layer for the electrodeposition had the best energy resolution of 6.3±0.4 eV in spite of saturated pulses and relatively high transition temperature of 210 mK.

Original languageEnglish
Pages (from-to)452-455
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume520
Issue number1-3
DOIs
Publication statusPublished - 2004 Mar 11

Fingerprint

Phonons
Calorimeters
Electrodeposition
Superconducting transition temperature
calorimeters
Seed
absorbers
X rays
sensors
Sensors
x rays
pulses
electrodeposition
energy
seeds
phonons
transition temperature

Keywords

  • Microcalorimeter
  • Transition edge sensor
  • X-ray detectors

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

Performance analyses of TES microcalorimeters with mushroom shaped X-ray absorbers made of Sn or Bi. / Ishisaki, Y.; Morita, U.; Koga, T.; Shinozaki, K.; Sato, K.; Takai, N.; Ohashi, T.; Arakawa, T.; Kudo, H.; Sato, H.; Kobayashi, H.; Izumi, T.; Ohtsuka, S.; Mori, K.; Shoji, Shuichi; Osaka, Tetsuya; Homma, Takayuki; Mitsuda, K.; Yamasaki, N. Y.; Fujimoto, R.; Iyomoto, N.; Oshima, T.; Futamoto, K.; Takei, Y.; Ichitsubo, T.; Fujimori, T.; Yoshida, K.; Kuroda, Y.; Onishi, M.; Goto, M.; Beppu, F.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 520, No. 1-3, 11.03.2004, p. 452-455.

Research output: Contribution to journalArticle

Ishisaki, Y, Morita, U, Koga, T, Shinozaki, K, Sato, K, Takai, N, Ohashi, T, Arakawa, T, Kudo, H, Sato, H, Kobayashi, H, Izumi, T, Ohtsuka, S, Mori, K, Shoji, S, Osaka, T, Homma, T, Mitsuda, K, Yamasaki, NY, Fujimoto, R, Iyomoto, N, Oshima, T, Futamoto, K, Takei, Y, Ichitsubo, T, Fujimori, T, Yoshida, K, Kuroda, Y, Onishi, M, Goto, M & Beppu, F 2004, 'Performance analyses of TES microcalorimeters with mushroom shaped X-ray absorbers made of Sn or Bi', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 520, no. 1-3, pp. 452-455. https://doi.org/10.1016/j.nima.2003.11.370
Ishisaki, Y. ; Morita, U. ; Koga, T. ; Shinozaki, K. ; Sato, K. ; Takai, N. ; Ohashi, T. ; Arakawa, T. ; Kudo, H. ; Sato, H. ; Kobayashi, H. ; Izumi, T. ; Ohtsuka, S. ; Mori, K. ; Shoji, Shuichi ; Osaka, Tetsuya ; Homma, Takayuki ; Mitsuda, K. ; Yamasaki, N. Y. ; Fujimoto, R. ; Iyomoto, N. ; Oshima, T. ; Futamoto, K. ; Takei, Y. ; Ichitsubo, T. ; Fujimori, T. ; Yoshida, K. ; Kuroda, Y. ; Onishi, M. ; Goto, M. ; Beppu, F. / Performance analyses of TES microcalorimeters with mushroom shaped X-ray absorbers made of Sn or Bi. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2004 ; Vol. 520, No. 1-3. pp. 452-455.
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AU - Ishisaki, Y.

AU - Morita, U.

AU - Koga, T.

AU - Shinozaki, K.

AU - Sato, K.

AU - Takai, N.

AU - Ohashi, T.

AU - Arakawa, T.

AU - Kudo, H.

AU - Sato, H.

AU - Kobayashi, H.

AU - Izumi, T.

AU - Ohtsuka, S.

AU - Mori, K.

AU - Shoji, Shuichi

AU - Osaka, Tetsuya

AU - Homma, Takayuki

AU - Mitsuda, K.

AU - Yamasaki, N. Y.

AU - Fujimoto, R.

AU - Iyomoto, N.

AU - Oshima, T.

AU - Futamoto, K.

AU - Takei, Y.

AU - Ichitsubo, T.

AU - Fujimori, T.

AU - Yoshida, K.

AU - Kuroda, Y.

AU - Onishi, M.

AU - Goto, M.

AU - Beppu, F.

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AB - Performance of microcalorimeters with a Ti/Au transition-edge sensor (TES) and an electrodeposited absorber has been investigated. The absorbers are in a mushroom-shape made of Sn or Bi. With an Sn absorber we observed a long time scale component of 1.8 ms for X-ray pulses, which is due presumably to recombination of quasiparticles into phonons. As a result, the energy resolution is not good with the Sn absorber. Better energy resolution of 28±1 eV was obtained with an incomplete-shaped Bi absorber, although the long component was also seen with smaller level. A calorimeter with only a neck of the Au seed layer for the electrodeposition had the best energy resolution of 6.3±0.4 eV in spite of saturated pulses and relatively high transition temperature of 210 mK.

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