VISUAL OBSERVATION OF FERROELECTRIC DOMAINS IN TGS
作者:
Stephen M. Shapiro,
Robert W. Gammon,
Herman Z. Cummins,
期刊:
Applied Physics Letters
(AIP Available online 1967)
卷期:
Volume 10,
issue 4
页码: 113-115
ISSN:0003-6951
年代: 1967
DOI:10.1063/1.1754870
出版商: AIP
数据来源: AIP
摘要:
A ferroelectric triglycine sulfate crystal was illuminated by an intense CW laser beam; light scattered by the crystal at right angles to the beam was observed visually and photographed. The visible scattering column was found to be crossed by a series of bright lines oriented parallel to the ferroelectric axis whose appearance under various electric field and temperature conditions strongly suggest that they correspond to boundaries of ferroelectric domains. It therefore appears that this technique will permit direct observation of domain dynamics which, in the past, has been possible only with indirect techniques.
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