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Magnetism and transport characteristics of (Ga,Mn)N in steady high fields

机译:稳定高场中(Ga,Mn)N的磁性和输运特性

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摘要

The magnetism on (Ga,Mn)N with high-T-C is investigated and the ferromagnetic magnetization process is discussed in comparison with the superparamagnetism in the segregation model. Transport experiments were made in steady magnetic fields up to 27 T. The results show the close relation between spontaneous magnetization and carrier density. The anisotropy in magnetoresistance shows anomalous field dependence and suggests existence of some nonmagnetic origin. (C) 2004 Elsevier B.V. All rights reserved.
机译:研究了高T-C条件下(Ga,Mn)N上的磁性,并与偏磁模型中的超顺磁性进行了讨论。在高达27 T的稳定磁场中进行了输运实验。结果表明,自发磁化强度与载流子密度之间存在密切关系。磁阻各向异性显示出异常的磁场依赖性,并暗示存在某些非磁性起源。 (C)2004 Elsevier B.V.保留所有权利。

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