Impurity scattering by guest 3d metals and their impurity band formation in MxTiS2 (M=3d metals)

被引：4

作者：

Negishi, H ^{[1
]}

Kakita, S ^{[1
]}

Yamada, H ^{[1
]}

Negishi, S ^{[1
]}

Sasaki, M ^{[1
]}

Inoue, M ^{[1
]}

机构：

[1] Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima 7398526, Japan

来源：

SOLID STATE COMMUNICATIONS | 1999年 / 112卷 / 05期

关键词：

electronic transport; galvanomagnetic effects;

D O I：

10.1016/S0038-1098(99)00340-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The electrical resistivities of 3d metal intercalates MxTiS2 (M = Mn, Fe, Co and Ni; x = 0.05) have been measured at 4.2 K in pulsed magnetic fields up to 31 T. The magnetoresistances (except for Ni intercalate) tend to saturate at higher magnetic fields and the residual resistivity is found to depend on the guest species. On the basis of these results and the possible band model, we have calculated the ionized impurity scattering by guest M2+ and host Ti3+ ions formed through a charge transfer from the guest to the host: conduction band, in satisfactory agreement with the experiments. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：275 / 279

页数：5

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