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New technique for investigating ferroelectric phase transitions: The photoacoustic effect

 

作者: Jorge O. Tocho,   Rafael Rami´rez,   J. A. Gonzalo,  

 

期刊: Applied Physics Letters  （AIP Available online 1991）
卷期: Volume 59, issue 14  

页码: 1684-1686

 

ISSN:0003-6951

 

年代: 1991

 

DOI:10.1063/1.106243

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Measurements of the photoacoustic (PA) effect in properly oriented triglycine sulfate (TGS) crystals from 30 to 60 °C show clearly the ferroelectric phase transition in this crystal manifested by the pronounced thermal expansion anomalies. The same method is generally applicable to similar phase transitions.

 

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