Giant negative magnetoresistance in quasi-one-dimensional conductor TPP[Fe(Pc)(CN)2]2:: Interplay between local moments and one-dimensional conduction electrons

被引：115

作者：

Hanasaki, N

Tajima, H

Matsuda, M

Naito, T

Inabe, T

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[2] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.62.5839

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have found giant negative magnetoresistance in the one-dimensional conductor TPP[Fe(Pc)(CN)(2)](2) below 50 K. The reduction of the resistance is larger in the field perpendicular to the one-dimensional axis than parallel to the axis. The magnetic susceptibility shows anisotropic Curie-Weiss behavior. The experimental results suggest the interaction between the one-dimensional electron system and the local moments. The reduction of the spin scattering of the itinerant electrons by the local moments under the field is proposed as the origin of the giant negative magnetoresistance.

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页码：5839 / 5842

页数：4

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