Real-time detector for hypervelocity microparticles using piezoelectric material

T. Miyachi, Nobuyuki Hasebe, H. Ito, T. Masumura, H. Okada, H. Yoshioka, K. Nogami, T. Iwai, H. Shibata, Y. Hamabe, S. Sasaki, S. Sugita, S. Hasegawa, H. Yano, H. Ohashi, K. Muranaga, M. Sato, T. Tou

    Research output: Contribution to journalArticle

    21 Citations (Scopus)

    Abstract

    Piezoelectric lead-zirconate-titanate was studied by bombarding with silver particles in the mass range from 2 to 100 pg, and the velocity range from 2 to 8 km/s. Output signals were uniquely identified on impact. It was found that incident energies above 100 nJ were measured unambiguously by a single lead-zirconate-titanate element. The detector characteristics were studied with respect to incident particle energy, angular dependence and size effects. Even though we have still unknown processes inherent in this detection method, the piezoelectric element has a potential as a real-time detector, if it is well calibrated.

    Original languageEnglish
    Pages (from-to)935-938
    Number of pages4
    JournalAdvances in Space Research
    Volume34
    Issue number5
    DOIs
    Publication statusPublished - 2004

    Keywords

    • Hypervelocity micro-particles
    • Piezoelectric material
    • Space debris

    ASJC Scopus subject areas

    • Space and Planetary Science
    • Astronomy and Astrophysics

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