Microscopic Examination of the Microwave Sintered (Pb0.6Sr0.4)TiO3 Positive-Temperature-Coefficient Resistor Materials
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概要
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The (Pb0.6Sr0.4)TiO3 (PSrT) ceramics processed by the microwave sintering technique, exhibiting unique high-Tc behavior and low resistivity, were examined using a scanning electron microscope, scanning transmission electron microscope with energy dispersive spectroscopy, and electron diffraction in the present work. The results imply that different atomic species may interact differently with microwaves and produce a large strain field within materials, suggesting that domain mobility is restricted in the specimens due to lattice distortions. The Pb-species distribution and complicated domain arrangements induced by the strain field greatly influence the electrical properties of the materials.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1998-09-30
著者
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Chou Chen-chia
Department Of Mechanical Engineering National Taiwan University
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Lin I-nan
Material Science Center National Tsing-hua University
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Chang Hon-yi
Materials Science Center National Tsing-hua University
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Shaw Bin-jen
Materials R&d Center Csist
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Tan Jian-tao
Materials R&d Center Csist
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Chou Chen-Chia
Department of Mechanical Engineering, National Taiwan University of Science and Technology,
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Tan Jian-Tao
Materials R&D Center, CSIST, Lung-Tan, Taiwan, R.O.C.
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Lin I-Nan
Materials Science Center, National Tsing-Hua University, Hsinchu, Taiwan 30043, R.O.C.
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Shaw Bin-Jen
Materials R&D Center, CSIST, Lung-Tan, Taiwan, R.O.C.
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