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11-13E

11-13E


By icmp_admin - Posted on 08 February 2012

UDC: 
537.226.83/.86, 538.91
PACS: 
77.84.-s, 64.60.Cn, 77.22.-d, 77.80.-e, 77.80.Bh, 77.65.Bn

Role of piezoelectric coupling in behavior of the physical characteristics of regular and disordered ferroelectric compounds of the KH$_{2}$PO$_{4}$ family

R.R. Levitskii
S.I. Sorokov
I.R. Zachek
A.S. Vdovych
A.P. Moina
L.M. Korotkov
A.I. Bocharov

The review of theoretical and experimental papers for Rb$_{1 - x}$(NH$_4$)$_x$H$_2$PO$_4$ type materials are presented. It is shown, that results of calculation of physical characteristics of these materials within proposed theory satisfactorily agree with experimental data, with the exception of phase transition region. The results of calculation of physical characteristics of regular KH$_{2}$PO$_{4}$ family compounds with taking into account of piezoelectric coupling are also presented. We have pointed on necessity of taking into account of piezoelectric coupling in mixed crystals.

Year: 
2011
Pages: 
112
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