Pb- and Ti-isotope Effects in PbTiO_3 by Heat Capacity Measurement and Neutron Powder Diffraction
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概要
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The heat capacity and the crystal structure of perovskite lead titanate, PbTiO3, have been analyzed by differential scanning calorimetry and neutron powder diffraction, respectively, in order to investigate the isotope effect. The ferroelectric transition temperature and the shape of the anomaly in the heat capacity due to phase transition changed by Pb- and Ti-isotope substitution. On the other hand, Rietveld refinement of the neutron diffraction data confirmed that the differences in the lattice parameters and the structural parameters among isotope-enriched and natural samples were not observed within experimental error below 500 K.
- 社団法人 日本原子力学会の論文
- 2002-04-25
著者
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OHOYAMA Kenji
Institute for Materials Research, Tohoku University
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Ohoyama Kenji
Institute For Materials Research Tohoku University
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TOBO Aya
Institute for Materials Research, Tohoku University
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Tobo Aya
Institute For Materials Research Tohoku University
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MATSUI Tsuneo
Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya Univ
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SHIGEMATSU Hirotake
Department of Quantum Engineering,Graduate School of Engineering,Nagoya University
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Shigematsu Hirotake
Department Of Quantum Engineering Graduate School Of Engineering Nagoya University
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Ohoyama Kenji
Institute For Materials Of Physics Tohoku University
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Matsui Tsuneo
Department Of Materials Physics And Energy Engineering Graduate School Of Engineering Nagoya Univers
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Matsui Tsuneo
Department Of Quantum Engineering Graduate School Of Engineering Nagoya University
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NAKADAIRA Hitoshi
Department of Quantum Engineering, Graduate School of Engineering, Nagoya University
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Nakadaira Hitoshi
Department Of Quantum Engineering Graduate School Of Engineering Nagoya University
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