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Author:

王超 (王超.) | 侯育冬 (侯育冬.) (Scholars:侯育冬) | 吴宁宁 (吴宁宁.) | 朱满康 (朱满康.) | 汪浩 (汪浩.) | 严辉 (严辉.)

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CQVIP PKU CSCD

Abstract:

采用化学络合法将Nb2O5转化为可溶性铌盐作为铌源,用溶胶-凝胶法,在500~650℃成功煅烧合成了平均晶粒尺寸为20~60nm的纯钙钛矿相铌酸锂钠钾[(Li0.06Na0.47K0.47)NbO3]无铅压电陶瓷粉体.研究了晶粒尺寸对铌酸锂钠钾纳米粉体相结构的影响.结果表明,基于纳米尺寸效应,随着晶粒尺寸由60减小到20nm,铌酸锂钠钾粉体的相结构由正交相逐渐过渡到四方相,而室温下四方相向立方相的转变将发生在20nm以下。

Keyword:

晶粒尺寸 可溶性铌盐 无铅压电陶瓷 相结构 溶胶-凝胶法

Author Community:

  • [ 1 ] 北京工业大学新型功能材料教育部重点实验室

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Source :

化学学报

Year: 2009

Issue: 03

Volume: 67

Page: 203-207

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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