Structural Modulations in the Intermediate Phase of Antiferroelectric PbHfO<sub>3</sub>
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- Other Title
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- Structural Modulations in the Intermediate Phase of Antiferroelectric PbHfO3
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Abstract
金沢大学国際基幹教育院
We determine the crystal structure of the intermediate antiferroelectric (A2) phase of PbHfO3 by a Rietveld method using X-ray and neutron diffraction. The structure can be described by modulations associated with the lattice vibrational mode Σ3(TO) with q (0.15,0.15,0)and the Rxy 25 mode, although the latter modulation is relatively distorted. The size of the orthorhombic unit cell is p2 × 10p2 × 2 times as large as that of the high-temperature cubic cell. The space group is Pbam-D9 2h (No. 55), and is the same as that of the room-temperature antiferroelectric (A1) phase of PbHfO3. © 2018 Physical Society of Japan. All rights reserved.
Embargo Period 12 months
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 87 (12), 124603-, 2018-12
Physical Society of Japan 日本物理学会
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Details 詳細情報について
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- CRID
- 1390853650130269056
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- NII Article ID
- 120006715811
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- NII Book ID
- AA00704814
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- ISSN
- 00319015
- 13474073
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- NDL BIB ID
- 029393460
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- Text Lang
- en
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- Data Source
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- JaLC
- IRDB
- NDL
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- CiNii Articles