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Abstract:
精选层状硅铝酸盐矿物高岭石(Al4[Si4O10](OH)8)为起始原料,经高温固相反应(~1 000℃)合成了具有架状结构的Na12+yAl0.1YbyZr1.9-ySi0.1P29O12系统(简称Yb-Nasicon)的钠快离子导体.XRD分析结果表明,当y≤0.7时得到空间群为R3c的合成物,当0.7<y≤1.7时得到空间群为C2/c的合成物,当y>1.7时出现未知相.交流阻抗技术测定的电导率数据结果表明y=1.0的合成物具有最高的离子电导率,其在573 K和673 K时的电导率分别为1.18 S/m和5.89 S/m,473-673 K间的电导激活能为36.4kJ/mo1.
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福州大学学报(自然科学版)
ISSN: 1000-2243
CN: 35-1337/N
Year: 2003
Issue: 3
Volume: 31
Page: 348-351
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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