Study of Deterioration in a Piezoelectric Lead Zirconate Titanate Radiation Detector through Measurement of the Electromechanical Coupling Factor with 400 MeV/n Zenon Ions

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概要

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• The variation of the electromechanical coupling factor (ECF) was measured by bombarding a piezoelectric lead zirconate titanate (PZT) element with 400 MeV/n xenon ions. The element was exposed to energies up to 10^{4} J, during which time the ECF was observed by the resonance method. The ECF gradually decreased with the energy accumulated during irradiation, and its behavior was scaled with an empirical formula. This decrease suggests that the piezoelectric quality deteriorated; hence, the sensitivity of the PZT radiation detector was considered to be degraded as well. The variation ultimately originated in resonance-associated processes. A potential detector suitable for use in severe-radiation environments was discussed.

• 2013-12-25

著者

• Murakami Takeshi

  National Institute of Advanced Industrial Science and Technology (AIST)

• Okada Nagaya

  Honda Electronics Co. Ltd.

• Takechi Seiji

  Graduate School Of Engineering Osaka City University

• Uchihori Yukio

  National Inst. Radiological Sci. Chiba

• Kobayashi Masanori

  Planetary Exploration Research Center Chiba Institute Of Technology

• Miyachi Takashi

  Planetary Exploration Research Center, Chiba Insitute of Technology, Narashino, Chiba 275-0016, Japan

• Okudaira Osamu

  Aerospace Research and Development Directorate, Japan Aerospace and Exploration Agency, Tsukuba, Ibaraki 350-8505, Japan

• Fujii Masayuki

  Famscience Co., Ltd., Tsukubamirai, Ibaraki 300-2435, Japan

• Sekiguchi Masahiro

  Graduate School of Engineering, Osaka City University, Osaka 558-8585, Japan

• Shibata Hiromi

  Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka 567-0047, Japan

• Hattori Maki

  Graduate School of Science and Engineering, Tokyo Institute of Technology, Meguro, Tokyo 152-8550, Japan

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