Evolution of physical properties in the Ce1-xLaxFeGe3 series:: crossover from Kondo lattice to single ion Kondo impurity systems

被引：9

作者：

Bud'ko, SL ^{[1
]}

Fontes, MB ^{[1
]}

Baggio-Saitovitch, EM ^{[1
]}

机构：

[1] Ctr Brasileiro Pesquisas Fis, CNPq, BR-22290180 Rio De Janeiro, Brazil

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1998年 / 10卷 / 39期

关键词：

D O I：

10.1088/0953-8984/10/39/017

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Evolution of the structural, magnetic, transport and magneto-transport properties of the Ce1-xLaxFeGe3 series is studied by powder x-ray diffraction, Fe-57 Mossbauer spectroscopy, magnetization and resistivity in zero and applied magnetic field. Changes from concentrated Kondo system-like (x less than or equal to 0.3) to single Kondo ion-like (x greater than or equal to 0.65) behaviour are observed. Magneto-resistivity behaviour in both regimes is discussed within the existing theoretical views which include non-negligible 'normal' metal contributions.

引用

页码：8815 / 8828

页数：14

共 23 条

[1]

Abrikosov A., 1988, FUNDAMENTALS THEORY

[2] HEAT-CAPACITY STUDY OF THE (LA-CE)RU2SI2 AND (CE-Y)RU2SI2 KONDO SYSTEMS [J].

BESNUS, MJ ;

LEHMANN, P ;

MEYER, A .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1987, 63-4 :323-325

[3] CONCENTRATED KONDO SYSTEMS [J].

BRANDT, NB ;

MOSHCHALKOV, VV .

ADVANCES IN PHYSICS, 1984, 33 (05) :373-467

[4] MAGNETOTRANSPORT PROPERTIES OF HEAVY-FERMION SYSTEMS [J].

CHEN, C ;

LI, ZZ ;

XU, W .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1993, 5 (01) :95-104

[5]

CHRISTIAN J, 1972, EFFET MOSSBAUER APPL

[6] UNIVERSAL BEHAVIOR IN HEAVY FERMIONS [J].

CONTINENTINO, MA .

PHYSICAL REVIEW B, 1993, 47 (17) :11587-11590

[7] CRITICAL APPROACH TO THE COHERENCE TRANSITION IN KONDO LATTICES [J].

CONTINENTINO, MA ;

JAPIASSU, GM ;

TROPER, A .

PHYSICAL REVIEW B, 1989, 39 (13) :9734-9737

[8]

Daybell M. D., 1973, MAGNETISM, V5, P133

[9]

Doniach S., 1977, Valence Instabilities and Related Narrow Band Phenomena, P169

[10]

FONTES MB, 1998, UNPUB HYPERFINE INTE

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