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MEASUREMENT OF SOUND VELOCITIES IN CRYSTALS USING BRAGG DIFFRACTION OF LIGHT AND APPLICATIONS TO LANTHANUM FLUORIDE

 

作者: Charles Krischer,  

 

期刊: Applied Physics Letters  （AIP Available online 1968）
卷期: Volume 13, issue 9  

页码: 310-311

 

ISSN:0003-6951

 

年代: 1968

 

DOI:10.1063/1.1652626

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A method of measuring sound velocities in crystals using Bragg diffraction of light by ultrasonic waves is described. Sound‐velocity data presented for LaF3are consistent with a trigonal crystal structure and exclude the possibility of a hexagonal structure.

 

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