Neutron Emission from Fracture of Piezoelectric Materials in Deuterium Atmosphere

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Copyright (c) 2002 The Japan Society of Applied Physics
, , Citation Masatoshi Fujii et al 2002 Jpn. J. Appl. Phys. 41 2115 DOI 10.1143/JJAP.41.2115

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Author affiliations

1 Department of Chemistry, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan

2 Department of Social Information Processing, Otsuma Women's University, Tama, Tokyo 206-8540, Japan

3 Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan

4 Department of Applied Physics, Tokai University, Hiratsuka, Kanagawa 259-12, Japan

Dates

  1. Received 6 August 2001
  2. Accepted 17 December 2001

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Abstract

We have studied nuclear reaction during a fracture process of piezoelectric materials in D2 atmosphere. Neutrons are generated in d–d nuclear reaction through the fracture process of LiNbO3 (lithium niobate) at the D2 gas pressure of 30 kPa or above; the emission rate is 108±27 /h with the statistical significance of 4.0 σ, although at 18 kPa or below, neutrons are not generated. We have not observed neutrons from other tested piezoelectric materials.

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10.1143/JJAP.41.2115