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IJPAP Vol.49(09) [September 2011] >


Title: Temperature dependence of antiferroeletric mode frequency, dielectric constant and loss tangent in deuterated squaric acid crystal
Authors: Upadhyay, Trilok Chandra
Keywords: Antiferroelectrics
Anharmonic
Dielectric constant
Loss tangent
Phase transition
Issue Date: Sep-2011
Publisher: NISCAIR-CSIR, India
Abstract: By fitting model values of physical quantities for deuterated SQA crystal in theoretically derived expression for AFE mode frequency, dielectric entrant and loss tangent in my earlier paper [Indian J Pure & Appl Phys, 47 (2009) 119] temperature dependence of these quantities have been calculated and compared with experimental data of Maier et al., Phys Status Solidi (b), 89 (1978) 578 and Semmingsen, D, Acta Chem Scand, 27 (1977) 3961, which show a good agreement.
Page(s): 633-636
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.49(09) [September 2011]

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