Spin-Dependent Electroresistance Behaviour of Nd_(0.67)Sr_(0.33)MnO_(3-δ) (0≤δ≤0.20)

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摘要 Oxygen deficient Nd_(0.67)Sr_(0.33)MnO_(3-δ) ceramic samples were prepared using conventional ceramic technology.A colossal electroresistance(CER)effect was found in Nd_(0.67)Sr_(0.33)MnO_(3-δ) series.The electrical transport is magnetically coupled and spin-dependent over grain or phase boundaries.Electrical-field-induced changes of the spin array orientations inside of and between the magnetic domains by grain or phase boundaries have to be concluded for the strong electroresistive effect in Nd_(0.67)Sr_(0.33)MnO_(3-δ) series.

作者 Zhou Zhihui Yang Changping Deng Heng Yang Fujun 周智辉;杨昌平;邓恒;杨辅军(Provincial Key Laboratory of Piezoelectric Ceramics Materials and Apparatus,Faculty of Physics&Electronic Technology,Hubei University,Wuhan 430062,China)

机构地区 Provincial Key Laboratory of Piezoelectric Ceramics Materials and Apparatus

出处《Journal of Rare Earths》 SCIE EI CAS CSCD 2007年第S2期69-71,共3页 稀土学报(英文版)

基金 Project supported by the National Natural Science Foundation of China(10774040) Excellent Young Scientist Foundation of Hubei Province(2006ABB032)

关键词 MANGANITES spin-dependent transport ELECTRORESISTANCE VARISTOR rare earths

分类号 TG146.45 [金属学及工艺—金属材料]

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Journal of Rare Earths

2007年第S2期

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Spin-Dependent Electroresistance Behaviour of Nd_(0.67)Sr_(0.33)MnO_(3-δ) (0≤δ≤0.20)

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