Exchange coupling and high-temperature transport in M(phthalocyanine)I conductors

被引：10

作者：

Martin, I ^{[1
]}

Phillips, P ^{[1
]}

机构：

[1] Univ Illinois, Loomis Lab Phys, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.60.530

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

From our analysis of the magnetic susceptibility in M(pc)I organic conductors, we are able to extract a carrier-mediated exchange interaction far Cu2+ spins in the alloy CuxNi1-x(pc)I. We find that J(ed) approximate to 300 K We also show that residual magnetic impurities must be present to account for the observed experimental trends. At high temperatures, we argue that the experimentally observed positive magnetoresistance is consistent with the standard semiclassical correction (omega(c)tau)(2), indicating that in this regime, transport is diffusive and three dimensional. [S0163-1829(99)04621-4].

引用

页码：530 / 532

页数：3

共 17 条

[11]

QUIRION G, 1991, SYNTHETIC MET, V41, P2653

[12] Monte Carlo study of magnetic properties of a Cu1-cNic(pc)I spin chain [J].