Acoustical measurements in solids under very high pressure

Two acoustical techniques to measure sound velocities in solids under high static pressure are examined from both theoretical and experimental points of view. The ultrasonic technique is suitable for measuring the elastic properties of solids under a pressure of a few gigapascals, whereas the Brillo...

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Bibliographic Details
Published inUltrasonics Vol. 27; no. 6; pp. 343 - 348
Main Authors Bonello, B., Fischer, M., Zarembowitch, A.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.11.1989
Elsevier Science
Subjects
Acoustical measurements and instrumentation
Acoustics
Brillouin scattering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
high pressure
perovskite
Physics
ultrasound velocities
perovskite
Brillouin scattering
high pressure
ultrasound velocities
Measurement
Perovskite type compound
Acoustics
Sound
Strontium Titanium Oxides Mixed
Cadmium Rubidium Fluorides Mixed
Solid
Very high pressure
Sound velocity
Brillouin effect
Elastic properties
Transparent material
Ultrasound
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Summary:Two acoustical techniques to measure sound velocities in solids under high static pressure are examined from both theoretical and experimental points of view. The ultrasonic technique is suitable for measuring the elastic properties of solids under a pressure of a few gigapascals, whereas the Brillouin scattering technique is particularly useful for transparent materials under a few tens of gigapascals. We illustrate these acoustical methods by the study of the elastic behaviour of two perovskite crystals: RbCdF 3 and SrTiO 3.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0041-624X
1874-9968
DOI:10.1016/0041-624X(89)90032-2