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采用固相反应法成功制备了Mo低掺杂La0.67Sr0.33Mn1-xMoxOc(x=0,0.02)单相多晶样品,系统研究了样品的磁性、电输运特性和磁电阻效应.发现Mo低掺杂对La0.67Sr0.33MnO3 的居里温度影响很小,但在La0.67Sr0.33MnO3铁磁基态背景下诱导出团簇自旋玻璃态行为.在低温区(0.1

Light Mo doping La0.67Sr0.33Mn1-xMoxO3(x=0,0.02)system has been prepared successfully.The magnetic,transport properties and magnetoresistanee have been systematically investigated.It was found that the Curle temperature Tc decreases little with Mo doping,however,a cluster spin glass like behavior was indueed bv Mo doping in the ferromagnetic state of La0.67 Sr0.33 MnO3.In the low temperature range (0.1<(T/Tc)<0.5),the eleetrical resistivity is found to follow an equation ρ=ρo+ρnTn(2

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