Novelty and variety of the characteristics found in the filled skutterudites

H. Sato; H. Sugawara; D. Kikuchi; S. Sanada; K. Tanaka; H. Aoki; K. Kuwahara; Y. Aoki; M. Kohgi

doi:10.1016/j.physb.2006.01.024

Novelty and variety of the characteristics found in the filled skutterudites

H. Sato, H. Sugawara, D. Kikuchi, S. Sanada, K. Tanaka, H. Aoki, K. Kuwahara, Y. Aoki, M. Kohgi

Science

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

A general survey of the variety of phenomena exhibited by the filled skutterudite compounds is presented from the view points of electrical properties and electronic structure, putting emphasis on the Pr- and Sm-based ones. Until now, Pr-based ones, such as heavy Fermion superconductivity in PrOs₄Sb₁₂, metal-insulator transition in PrRu₄P₁₂ and field-induced heavy Fermion state above antiferro-quadrupolar ordered state in PrFe₄P₁₂, have been most intensively investigated. Quite a few attractive features have been found also in Ce- and Sm-based skutterudites; such as recently found novel heavy Fermion state robust against magnetic fields in SmOs₄Sb₁₂. We discuss the novelty and variety of such attractive features in correlation with the unique crystal structure of the filled skutterudite.

Original language	English
Pages (from-to)	46-50
Number of pages	5
Journal	Physica B: Condensed Matter
Volume	378-380
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physb.2006.01.024
Publication status	Published - 2006 May 1

Keywords

Crystal field exitations
Filled skutterudite
cf-Hybridization

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Novelty and variety of the characteristics found in the filled skutterudites",

abstract = "A general survey of the variety of phenomena exhibited by the filled skutterudite compounds is presented from the view points of electrical properties and electronic structure, putting emphasis on the Pr- and Sm-based ones. Until now, Pr-based ones, such as heavy Fermion superconductivity in PrOs4Sb12, metal-insulator transition in PrRu4P12 and field-induced heavy Fermion state above antiferro-quadrupolar ordered state in PrFe4P12, have been most intensively investigated. Quite a few attractive features have been found also in Ce- and Sm-based skutterudites; such as recently found novel heavy Fermion state robust against magnetic fields in SmOs4Sb12. We discuss the novelty and variety of such attractive features in correlation with the unique crystal structure of the filled skutterudite.",

keywords = "Crystal field exitations, Filled skutterudite, cf-Hybridization",

author = "H. Sato and H. Sugawara and D. Kikuchi and S. Sanada and K. Tanaka and H. Aoki and K. Kuwahara and Y. Aoki and M. Kohgi",

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T1 - Novelty and variety of the characteristics found in the filled skutterudites

AU - Sato, H.

AU - Sugawara, H.

AU - Kikuchi, D.

AU - Sanada, S.

AU - Tanaka, K.

AU - Aoki, H.

AU - Kuwahara, K.

AU - Aoki, Y.

AU - Kohgi, M.

PY - 2006/5/1

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N2 - A general survey of the variety of phenomena exhibited by the filled skutterudite compounds is presented from the view points of electrical properties and electronic structure, putting emphasis on the Pr- and Sm-based ones. Until now, Pr-based ones, such as heavy Fermion superconductivity in PrOs4Sb12, metal-insulator transition in PrRu4P12 and field-induced heavy Fermion state above antiferro-quadrupolar ordered state in PrFe4P12, have been most intensively investigated. Quite a few attractive features have been found also in Ce- and Sm-based skutterudites; such as recently found novel heavy Fermion state robust against magnetic fields in SmOs4Sb12. We discuss the novelty and variety of such attractive features in correlation with the unique crystal structure of the filled skutterudite.

AB - A general survey of the variety of phenomena exhibited by the filled skutterudite compounds is presented from the view points of electrical properties and electronic structure, putting emphasis on the Pr- and Sm-based ones. Until now, Pr-based ones, such as heavy Fermion superconductivity in PrOs4Sb12, metal-insulator transition in PrRu4P12 and field-induced heavy Fermion state above antiferro-quadrupolar ordered state in PrFe4P12, have been most intensively investigated. Quite a few attractive features have been found also in Ce- and Sm-based skutterudites; such as recently found novel heavy Fermion state robust against magnetic fields in SmOs4Sb12. We discuss the novelty and variety of such attractive features in correlation with the unique crystal structure of the filled skutterudite.

KW - Crystal field exitations

KW - Filled skutterudite

KW - cf-Hybridization

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