Response of an on-chip coil-integrated superconducting tunnel junction to X-rays

Keisuke Maehata; Tohru Taino; Akihito Hora; Tetsuya Ariyosh; Naoto Mori; Kenji Ishibashi; Yuzuru Matsumoto; Hiroshi Nakagawa; Hiroshi Akoh; Katsuya Kikuchi; Masahiro Aoyagi; Hiromi Sato

doi:10.1143/jjap.42.2860

Response of an on-chip coil-integrated superconducting tunnel junction to X-rays

Keisuke Maehata, Tohru Taino, Akihito Hora, Tetsuya Ariyosh, Naoto Mori, Kenji Ishibashi, Yuzuru Matsumoto, Hiroshi Nakagawa, Hiroshi Akoh, Katsuya Kikuchi, Masahiro Aoyagi, Hiromi Sato

Applied Nuclear Physics

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

An on-chip coil-integrated superconducting tunnel junction (OC²-STJ) was irradiated by X-rays emitted from an ⁵⁵Fe source to the examine the performance of X-ray detection by applying a magnetic field produced by a superconducting microstrip coil integrated into the junction chip. Response characteristics were obtained for a diamond-shaped Nb-based tunnel junction with a sensitive area of 100 × 100 μm² in the OC²-STJ chip. Two kinds of stable operation modes with different pulse heights were observed by changing the magnetic flux density in the barrier region of the junction. In the low-pulse-height mode, the pulse height distribution exhibits two full-energy peaks corresponding to signals created in the top and base electrodes. Stable operation of the OC²-STJ was demonstrated without using conventional external electromagnets.

Original language	English
Pages (from-to)	2860-2863
Number of pages	4
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	42
Issue number	5 A
DOIs	https://doi.org/10.1143/jjap.42.2860
Publication status	Published - May 2003

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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Maehata, K., Taino, T., Hora, A., Ariyosh, T., Mori, N., Ishibashi, K., Matsumoto, Y., Nakagawa, H., Akoh, H., Kikuchi, K., Aoyagi, M., & Sato, H. (2003). Response of an on-chip coil-integrated superconducting tunnel junction to X-rays. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 42(5 A), 2860-2863. https://doi.org/10.1143/jjap.42.2860

Response of an on-chip coil-integrated superconducting tunnel junction to X-rays. / Maehata, Keisuke; Taino, Tohru; Hora, Akihito; Ariyosh, Tetsuya; Mori, Naoto; Ishibashi, Kenji; Matsumoto, Yuzuru; Nakagawa, Hiroshi; Akoh, Hiroshi; Kikuchi, Katsuya; Aoyagi, Masahiro; Sato, Hiromi.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 42, No. 5 A, 05.2003, p. 2860-2863.

Research output: Contribution to journal › Article

Maehata, K, Taino, T, Hora, A, Ariyosh, T, Mori, N, Ishibashi, K, Matsumoto, Y, Nakagawa, H, Akoh, H, Kikuchi, K, Aoyagi, M & Sato, H 2003, 'Response of an on-chip coil-integrated superconducting tunnel junction to X-rays', Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, vol. 42, no. 5 A, pp. 2860-2863. https://doi.org/10.1143/jjap.42.2860

Maehata, Keisuke ; Taino, Tohru ; Hora, Akihito ; Ariyosh, Tetsuya ; Mori, Naoto ; Ishibashi, Kenji ; Matsumoto, Yuzuru ; Nakagawa, Hiroshi ; Akoh, Hiroshi ; Kikuchi, Katsuya ; Aoyagi, Masahiro ; Sato, Hiromi. / Response of an on-chip coil-integrated superconducting tunnel junction to X-rays. In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 2003 ; Vol. 42, No. 5 A. pp. 2860-2863.

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abstract = "An on-chip coil-integrated superconducting tunnel junction (OC2-STJ) was irradiated by X-rays emitted from an 55Fe source to the examine the performance of X-ray detection by applying a magnetic field produced by a superconducting microstrip coil integrated into the junction chip. Response characteristics were obtained for a diamond-shaped Nb-based tunnel junction with a sensitive area of 100 × 100 μm2 in the OC2-STJ chip. Two kinds of stable operation modes with different pulse heights were observed by changing the magnetic flux density in the barrier region of the junction. In the low-pulse-height mode, the pulse height distribution exhibits two full-energy peaks corresponding to signals created in the top and base electrodes. Stable operation of the OC2-STJ was demonstrated without using conventional external electromagnets.",

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