Acoustic Microscopy to Ferroelectric Materials
- 1 January 1985
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 24 (S3)
- https://doi.org/10.7567/jjaps.24s3.148
Abstract
Acoustic microscopy has been developed for ferroelectric materials. The observations of a SAW filter, domain wall and grains have been successfully done. To analyze the contrast caused by the defocusing effect, the V (z) curves have been measured at some appropriate points on the objects. The investigation of anisotropy has been made by utilizing the line focus lens and the propagation characteristics of SAW velocity of a BNN crystal have been determined. The acoustic micrographs of various materials have been shown.Keywords
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