Determination of the fourth‐order elastic moduli by acoustic harmonic generation in stressed crystals
作者:
D. Gerlich,
M. A. Breazeale,
期刊:
Journal of Applied Physics
(AIP Available online 1990)
卷期:
Volume 67,
issue 7
页码: 3287-3290
ISSN:0021-8979
年代: 1990
DOI:10.1063/1.345362
出版商: AIP
数据来源: AIP
摘要:
The feasibility of determining the fourth‐order elastic moduli by means of measurements of the acoustic second‐harmonic generation in stressed crystals is explored. It is shown that the changes to be expected under hydrostatic pressure in the ratio of the second‐harmonic amplitude squared to the fundamental amplitudeA2/A21are of the order of 20%–30% per GPa, which should be easily measurable.
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