Tetragonal distortion and the domain structure of thin Pb(Zr,Ti)O3/MgO(100) films

D. Y. Noh; H. C. Kang; T. Y. Seong; J. H. Je; H. K. Kim

doi:10.1007/s003390050781

Tetragonal distortion and the domain structure of thin Pb(Zr,Ti)O₃/MgO(100) films

D. Y. Noh, H. C. Kang, T. Y. Seong, J. H. Je, H. K. Kim

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The paraelectric-cubic to ferroelectric-tetragonal phase transformation of thin Pb(Zr,Ti)O₃/MgO(100) films was studied in synchrotron X-ray scattering experiments. In the thin epitaxial films, the tetragonal distortion of the ferroelectric phase and the transition temperature were significantly reduced. In sharp contrast to the reported mixture of the a-type and the c-type domains in thicker films, the 250-Å-thick film was purely composed of the c-type domains in the tetragonal phase. We attribute the suppression of the transition to the substrate effect, which prefers the c-type domains near the interface, and reduces the tetragonal distortion to minimize the strain energy caused by the lattice mismatch.

Original language	English
Pages (from-to)	343-346
Number of pages	4
Journal	Applied Physics A: Materials Science and Processing
Volume	67
Issue number	3
DOIs	https://doi.org/10.1007/s003390050781
Publication status	Published - 1998
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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title = "Tetragonal distortion and the domain structure of thin Pb(Zr,Ti)O3/MgO(100) films",

abstract = "The paraelectric-cubic to ferroelectric-tetragonal phase transformation of thin Pb(Zr,Ti)O3/MgO(100) films was studied in synchrotron X-ray scattering experiments. In the thin epitaxial films, the tetragonal distortion of the ferroelectric phase and the transition temperature were significantly reduced. In sharp contrast to the reported mixture of the a-type and the c-type domains in thicker films, the 250-{\AA}-thick film was purely composed of the c-type domains in the tetragonal phase. We attribute the suppression of the transition to the substrate effect, which prefers the c-type domains near the interface, and reduces the tetragonal distortion to minimize the strain energy caused by the lattice mismatch.",

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T1 - Tetragonal distortion and the domain structure of thin Pb(Zr,Ti)O3/MgO(100) films

AU - Noh, D. Y.

AU - Kang, H. C.

AU - Seong, T. Y.

AU - Je, J. H.

AU - Kim, H. K.

PY - 1998

Y1 - 1998

N2 - The paraelectric-cubic to ferroelectric-tetragonal phase transformation of thin Pb(Zr,Ti)O3/MgO(100) films was studied in synchrotron X-ray scattering experiments. In the thin epitaxial films, the tetragonal distortion of the ferroelectric phase and the transition temperature were significantly reduced. In sharp contrast to the reported mixture of the a-type and the c-type domains in thicker films, the 250-Å-thick film was purely composed of the c-type domains in the tetragonal phase. We attribute the suppression of the transition to the substrate effect, which prefers the c-type domains near the interface, and reduces the tetragonal distortion to minimize the strain energy caused by the lattice mismatch.

AB - The paraelectric-cubic to ferroelectric-tetragonal phase transformation of thin Pb(Zr,Ti)O3/MgO(100) films was studied in synchrotron X-ray scattering experiments. In the thin epitaxial films, the tetragonal distortion of the ferroelectric phase and the transition temperature were significantly reduced. In sharp contrast to the reported mixture of the a-type and the c-type domains in thicker films, the 250-Å-thick film was purely composed of the c-type domains in the tetragonal phase. We attribute the suppression of the transition to the substrate effect, which prefers the c-type domains near the interface, and reduces the tetragonal distortion to minimize the strain energy caused by the lattice mismatch.

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DO - 10.1007/s003390050781

M3 - Article

AN - SCOPUS:0032156115

SN - 0947-8396

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EP - 346

JO - Applied Physics A: Materials Science and Processing

JF - Applied Physics A: Materials Science and Processing

IS - 3

ER -

Tetragonal distortion and the domain structure of thin Pb(Zr,Ti)O₃/MgO(100) films

Abstract

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