High purity tetragonal BaTiO3 powders consisted of uniform particles of ca. 150 nm in diameter were synthesized by a composite-hydroxide-mediated approach at 240 degrees C using a novel hydrothermal reaction apparatus with a rolling system. The product showed sinterability superior to the commercial powder, i.e., it could be sintered to full theoretical density at 1200 and 1100 degrees C without an additive and with 0.3 wt% of Li2CO3-0.04 wt% of V2O5 mixed sintering aid, respectively. The sintered body of the product also showed piezoelectric properties superior to the commercial one. (C) 2010 Elsevier Ltd. All rights reserved.
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Univ Yamanashi, Interdisciplinary Grad Sch Med & Engn, Kofu, Yamanashi 4008510, JapanUniv Yamanashi, Interdisciplinary Grad Sch Med & Engn, Kofu, Yamanashi 4008510, Japan
Nakashima, Kouichi
Fujii, Ichiro
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Univ Yamanashi, Interdisciplinary Grad Sch Med & Engn, Kofu, Yamanashi 4008510, JapanUniv Yamanashi, Interdisciplinary Grad Sch Med & Engn, Kofu, Yamanashi 4008510, Japan
Fujii, Ichiro
Wada, Satoshi
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Univ Yamanashi, Interdisciplinary Grad Sch Med & Engn, Kofu, Yamanashi 4008510, JapanUniv Yamanashi, Interdisciplinary Grad Sch Med & Engn, Kofu, Yamanashi 4008510, Japan
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Indian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, IndiaIndian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, India
Kumar, Yogeswar
Mohiddon, Md Ahamad
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Indian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, IndiaIndian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, India
Mohiddon, Md Ahamad
Srivastava, Alok
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DAV Postgrad Coll, Dept Phys, Dehra Dun 248005, Uttar Pradesh, IndiaIndian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, India
Srivastava, Alok
Yadav, K. L.
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Indian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, IndiaIndian Inst Technol, Dept Phys, Smart Mat Res Lab, Roorkee 247667, Uttar Pradesh, India