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Keywords CMR effects;Pr based perovskite oxides; 大磁阻效应;镨基钙钛矿氧化物;
The CMR effect of the thin films was investigated . 研究了La_(1-x)Te_xMnO_3薄膜的CMR效应。
The CMR effect was also measured and the temperature dependence of the resistance under zero and 6 T field was investigated with the Dionne Model. 测量了材料的大磁电阻效应，并利用迪尼模型计算分析了含镍材料在零场以及磁场为6T下电阻随温度的变化关系。
In this thesis, it concluded mainly two parts, experimental study on CMR material and theoretical study on CMR effect. 本论文主要分为CMR材料的实验研究及理论研究两部分。
The experimental evidences show that both actions of double exchange interaction and small polarons are responsible for the variation of the CMR effect. 实验结果表明,是双交换作用和小极化子效应的共同作用决定了CMR效应的特性。
The porous ceramic samples of La0.67-xBixSr0.33MnO3 (x=0, 0.1, 0.2) compounds have been prepared by solid state reaction. The electrical and magnetic properties as well as the CMR effect of these samples have been studied. 用固相反应法制备了钙钛矿型氧化物La0.;67-xBixSr0
The doping of the divalent elements in La_(1-x)A_xMnO_3(A=Ca, Sr, Ba or Ph) produces a mixture of Mn~(3+) and Mn~(4+) inos which improve the conductivity of the oxides, and the CMR effect appears as a result. 在La_(1-x)A_xMnO_3(其中A=Ca、Sr、Ba或Pb)中,当阳离子La被二价的A离子部分替代时,部分Mn~(3+)转变为Mn~(4+)离子,形成Mn~(3+)/Mn~(4+)混合价态,改善了材料的电导,并由此而产生了CMR效应。
Keywords inorganic non-metalllic materials;CMR effect;laser-induced;double exchange effect;small polarons theory; 无机非金属材料;特大磁电阻效应;光诱导效应;双交换作用;小极化子理论;
Keywords ferroelectricity;high temperature superconductivity;colossal magnetoresistance （CMR） effect;multiscale structures;phase transition; 铁电性;高温超导电性;庞磁电阻（CMR）效应;结构;相变;
Transport Properties and CMR Effect in La_(2/3)Ca_(1/3)MnO_3 La_(2/3)Ca_(1/3)MnO_3中的输运机制与CMR效应
Keywords colossal magnetoresistance （CMR） effect;insulator-metal transition tempreatrue （T_（IM））;paramagnetism-ferromagnetism transition temperature （T_c）;magnetization.; 超大磁电阻（CMR）效应;绝缘体-金属转变温度（T_（IM））;顺磁-铁磁转变温度T_c;磁化强度;
The electric and magnetic properties with CMR effect in rare-earth doped oxides 稀土掺杂氧化物的电磁特性及磁电阻效应
THE INSULATOR METAL TRANSITION AND CMR EFFECT IN La_(2/3)Ca_(1/3)MnO_3 La_(2/3)Ca_(1/3)MnO_3中绝缘体金属相变与CMR效应
MAGNETIC PROPERTIES IN SPINEL Fe_(l + x)Cr_(2 -x)S_4 WITH CMR EFFECT 非双交换作用巨磁电阻材料Fe_(1+x)Cr_(2-x)S_4的磁性
Study on Sintering Behaviors and CMR Effects of La_ ( 0.67)Sr_ ( 0.33)MnO_3 Powder Prepared by SHS Method 自蔓延高温合成La_(0.;67)Sr_(0
Peculiar Transport Properties and CMR Effect of La_(0.67)Sr_(0.08)Na_(0.25)MnO_3 La_(0.;67)Sr_(0
Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
Microstructure and CMR Effect in the Porous Ceramic La_(0.67-x)Bi_xSr_(0.33)MnO_3 Compounds La_(0.;67-x)Bi_xSr_(0
Some keywords in SQL are also reserved words. SQL中的一些关键字也是保留字。