Characterization of Dielectric Crystals by SAM and SPAM

1 January 1983

journal article
Published by IOP Publishing in Japanese Journal of Applied Physics

Vol. 22 (S2)
https://doi.org/10.7567/jjaps.22s2.93

Abstract

Elastic properties of dielectric crystals have been investigated by the scanning acoustic microscope (SAM) and the scanning photo-acoustic microscope (SPAM). Domain walls of a felloelastic of NdP₅O₁₄ crystal have been clearly observed by SAM and SPAM.V(z) curves of several dielectric crystals have been measured by the use of the acoustic cylindrical lens in the non-scanning mode of SAM and the velocities of the leaky Rayleigh waves have been determined. The angular dependence of the leaky wave velocities have been determined in ferroelectric β-Gd₂(MoO₄)₃ crystals.

Keywords

ELASTIC PROPERTIES
SAM
SPAM
DIELECTRIC CRYSTALS
LEAKY
MICROSCOPE
WAVES
MOO

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