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XCVI. Theory of barium titanate: Part I

Devonshire, A.F.·1949·The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science

Abstract

Summary The theory of the dielectric and crystallographic properties of barium titanate is considered. By expanding the free energy as a function of polarization and strain and making reasonable assumptions about the coefficients, it is found possible to account for the various crystal transitions. Calculations are made of the dielectric constants, crystal stains, internal energy, and self polarization as functions of temperature. Finally relations are obtained between the coefficients in the free energy and the ionic force constants. These are used to estimate some of the coefficients which are not completely determined by experimental data.

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Metadata

Authors
Devonshire, A. F.
Venue
The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
Published
1949-10
Volume
40
Issue
309
Pages
1040-1063
ISSN
  • 1941-5982 (ISSN-L)
  • 1941-5990
OpenAlex
W1607281462
Cited by
1,191
References
0
FWCI
8.71
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: XCVI. Theory of barium titanate: Part I. https://app.cochat.ai/papers/10.1080/14786444908561372
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Devonshire, A. F. (1949). XCVI. Theory of barium titanate: Part I. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science. https://doi.org/10.1080/14786444908561372

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.