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Phase Transitions in BaTiO3from First Principles

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Zhong, W., Vanderbilt, David, Rabe, K. M.·1994·Physical Review Letters

Abstract

We develop a first-principles scheme to study ferroelectric phase transitions for perovskite compounds. We obtain an effective Hamiltonian which is fully specified by first-principles ultrasoft pseudopotential calculations. This approach is applied to BaTi${\mathrm{O}}_{3}$, and the resulting Hamiltonian is studied using Monte Carlo simulations. The calculated phase sequence, transition temperatures, latent heats, and spontaneous polarizations are all in good agreement with experiment. The order-disorder versus displacive character of the transitions and the roles played by different interactions are discussed.

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Metadata

Authors
Zhong, W., Vanderbilt, D., & Rabe, K. M.
Venue
Physical Review Letters
Published
1994-09-26
Volume
73
Issue
13
Pages
1861-1864
ISSN
0031-9007 (ISSN-L)
OpenAlex
W2246414389
Cited by
693
References
2
FWCI
11.76
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Phase Transitions in BaTiO3from First Principles. https://app.cochat.ai/papers/10.1103/physrevlett.73.1861
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Zhong, W., Vanderbilt, D., & Rabe, K. M. (1994). Phase Transitions in BaTiO3from First Principles. Physical Review Letters. https://doi.org/10.1103/physrevlett.73.1861

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