Spatially resolved study of superconducting tunnel junctions X-ray detectors by low temperature scanning synchrotron microscopy

Harald Pressler*, Masataka Ohkubo, Masaki Koike, Tatsuya Zama, Daiji Fukuda, Naoto Kobayashi

*この研究の対応する著者

研究成果査読

6 被引用数 (Scopus)

抄録

A low temperature scanning synchrotron microscope (LTSSM) has been developed for spatial analysis of superconducting tunnel junction X-ray detectors. One and two-dimensional images of the detector response to X-rays were measured by scanning the junctions kept at a working temperature of about 0.4 K with a highly collimated synchrotron radiation beam. The collimation was performed by inserting a pinhole mounted on a scanning unit into the synchrotron radiation in the range of 3-6 keV. The spatial resolution of the LTSSM is between 5 and 10 micrometer. The present results indicate a large discrepancy between the experimental spatial response and a quasiparticle diffusion and edge-loss model. The LTSSM plays an important role in the development of cryogenic X-ray detectors.

本文言語English
ページ(範囲)696-699
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
11
1 I
DOI
出版ステータスPublished - 2001 3
外部発表はい

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 物理学および天文学(その他)

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