DAMPING OF LOW-FREQUENCY ELASTIC VIBRATIONS IN LiNbO3.

被引：0
|
作者：
Gridnev, S.A.
Postnikov, V.S.
Prasolov, B.N.
Turkov, S.K.
机构：
来源：
| 1978年 / 20卷 / 05期
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中图分类号：
TM2 [电工材料];
学科分类号：
0805 ; 080502 ; 080801 ;
摘要：
An investigation was made of the internal friction Q** minus **1 of single-domain and polydomain LiNbO//3 crystals at frequencies of the order of a few hertz. It was established that the maximum of Q** minus **1 in the vicinity of 300 degree K was a superposition of two peaks, one of which was due to a domain mechanism and the other due to a phase transition. The maxima of Q** minus **1 in the vicinity of -30 and 300 degree C were analyzed using a model of the interaction between domain walls and two types of charged point defect characterized by different mobilities.
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页码：747 / 750
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