Abstract
The Pippard-Janovec relations are derived for correlating the anomalous elastic coefficient and the anomalous specific heat near the phase transitions of ferroelectric crystals. These relations are verified in the case of ferroelectric triglycine selenate crystal.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Buckingham M J and Fairbank W M 1961Prog. Low Temp. Phys. 3 80
Garland C W 1964J. Chem. Phys. 41 1005
Garland C W 1970 inPhysical Acoustics ed. W P Mason and R N Thurston (New York: Academic Press) Vol. 7 Ch. 2
Hughes A J and Lawson A W 1962J. Chem. Phys. 36 2098
Janovec V 1966J. Chem. Phys. 45 1874
Khanna S K 1976Investigation of Critical Anomalies of Ultrasonic Velocity and Ultrasonic Absorption in Uniaxial Ferroelectric Crystals by Optical Heterodyne Method Ph.D. Thesis, Moscow State University, Moscow
Nozdrev V F and Fedorishenko N V 1954Molecular Acoustics p 150
Pippard A B 1956Philos. Mag. 1 473
Pippard A B 1957The Elements of Classical Thermodynamics (London: Cambridge University Press)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Khanna, S.K., Narayanan, P.S. Correlation of acoustic and thermal anomalies in ferroelectric crystals. Pramana - J Phys 11, 245–250 (1978). https://doi.org/10.1007/BF02848188
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF02848188