Competition between the Kondo effect and exchange interactions in the system CeSi/sub x/

Journal Article · Mon Jun 01 04:00:00 EDT 1987 · Phys. Rev. B: Condens. Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.35.8523· OSTI ID:6088745

Lee, W H; Shelton, R N; Dhar, S K; Gschneidner, Jr, K A

Precision electrical resistivity measurements on twelve alloys in the series CeSi/sub x/ (1.60less than or equal toxless than or equal to1.90) reflect the smooth progression from a magnetically ordered dense Kondo system (xless than or equal to1.85) to compositions where the conventional single-impurity Kondo effect dominates the exchange interaction, resulting in a ground state which is not magnetically ordered. The variations of the Kondo temperature and the magnetic ordering temperature are determined as a function of Si content and found to agree well with the theoretical Kondo-lattice model.

• Research Organization: Ames Laboratory and Department of Physics, Iowa State University, Ames, Iowa 50011
• OSTI ID: 6088745
• Journal Information: Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 35:16; ISSN PRBMD
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALLOYS
CERIUM ALLOYS
CERIUM BASE ALLOYS
CERIUM COMPOUNDS
CERIUM SILICIDES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXCHANGE INTERACTIONS
INTERACTIONS
KONDO EFFECT
MAGNETIC PROPERTIES
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
RARE EARTH COMPOUNDS
SILICIDES
SILICON COMPOUNDS