Evidence for a charge Kondo effect in Pb1-xTlxTe from measurements of thermoelectric power

被引：22

作者：

Matusiak, M. ^{[1
,6
]}

Tunnicliffe, E. M. ^{[6
]}

Cooper, J. R. ^{[6
]}

Matsushita, Y. ^{[2
,3
,4
]}

Fisher, I. R. ^{[2
,3
,5
]}

机构：

[1] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland

[2] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[3] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA

[4] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

[5] SLAC Natl Accelerator Ctr, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA

[6] Univ Cambridge, Cavendish Lab, Dept Phys, Cambridge CB3 0HE, England

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 22期

基金：

英国工程与自然科学研究理事会;

关键词：

dilute alloys; dilute magnetic materials; Kondo effect; lead alloys; tellurium alloys; thallium alloys; thermoelectricity; MAGNETIC-SUSCEPTIBILITY; ALLOYS;

D O I：

10.1103/PhysRevB.80.220403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report measurements of the thermoelectric power (TEP) for a series of Pb1-xTlxTe crystals with x=0.0 to 1.3%. Although the TEP is very large for x=0.0, using a single-band analysis based on older work for dilute magnetic alloys we do find evidence for a Kondo contribution of 11-18 mu V/K. This analysis suggests that T-K is similar or equal to 50-70 K, a factor 10 higher than previously thought.

引用

页数：4

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