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Effect of heat treatment on electroresistance in Nd_(0.67)Sr_(0.33)MnO_3 ceramics 被引量：1

Effect of heat treatment on electroresistance in Nd_(0.67)Sr_(0.33)MnO_3 ceramics
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摘要 A remarkable CER(colossal electroresistance) effect was observed in a series of polycrystalline Nd0.67Sr0.33MnO3 samples synthe-sized by high energy ball milling successive heat treatment.The CER ratio increased with increasing heating time and reached 3580% at a low temperature for the Nd0.67Sr0.33MnO3 ceramic annealed up to 13 h as measuring current was enhanced from 5 to 500 μA.The result showed that the CER effect was strongly dependent on the sample s microstructure,especially on the foreign phases whi... A remarkable CER(colossal electroresistance) effect was observed in a series of polycrystalline Nd0.67Sr0.33MnO3 samples synthe-sized by high energy ball milling successive heat treatment.The CER ratio increased with increasing heating time and reached 3580% at a low temperature for the Nd0.67Sr0.33MnO3 ceramic annealed up to 13 h as measuring current was enhanced from 5 to 500 μA.The result showed that the CER effect was strongly dependent on the sample s microstructure,especially on the foreign phases whi...
作者 陈顺生 王瑞龙 王浩 杨昌平
机构地区 The Provincial Key Laboratory of Piezoelectric Ceramics Materials and Apparatus
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第2期251-254,共4页 稀土学报（英文版）
基金 supported by the National Natural Science Foundation of China (10774040 and 10911120055/A0402) the Program for New Century Excellent Talents in University (NCET-08-0674) the Special Foundation for Young Scientists of Educational Commission of Hubei Province (Q200710008)
关键词 colossal electroresistance PEROVSKITE heat treatment microstructure rare earths colossal electroresistance perovskite heat treatment microstructure rare earths
分类号 TQ174.1 [化学工程—陶瓷工业]
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共引文献11

同被引文献10

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Journal of Rare Earths
2010年 第2期

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