Crystal field study of the Kondo compound CePtGa

D. T. Adroja; B. D. Rainford; A. J. Neville

doi:10.1016/0921-4526(96)00099-3

Crystal field study of the Kondo compound CePtGa

D. T. Adroja, B. D. Rainford, A. J. Neville

Physics

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The Kondo compound CePtGa has been studied by a wide range of techniques. Neutron diffraction data show that CePtGa has the orthorhombic TiNiSi-type structure. Inelastic neutron scattering spectra display two well-defined crystal field transitions near 18 and 35.6 meV. Magnetic susceptibility measurements show antiferromagnetic ordering at 2.9 K. The temperature dependence of the resistivity can be understood on the basis of Kondo and crystal field effects. The negative magnetoresistance between 1.7 and 60 K agrees well with the scaling form of the J = 1/2 model of Schlottmann. The crystal field parameters have been estimated, and have been used for the analysis of the transport properties.

Original language	English
Pages (from-to)	279-282
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	223-224
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4526(96)00099-3
Publication status	Published - 2 Jun 1996

ASJC Scopus subject areas

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

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10.1016/0921-4526(96)00099-3

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title = "Crystal field study of the Kondo compound CePtGa",

abstract = "The Kondo compound CePtGa has been studied by a wide range of techniques. Neutron diffraction data show that CePtGa has the orthorhombic TiNiSi-type structure. Inelastic neutron scattering spectra display two well-defined crystal field transitions near 18 and 35.6 meV. Magnetic susceptibility measurements show antiferromagnetic ordering at 2.9 K. The temperature dependence of the resistivity can be understood on the basis of Kondo and crystal field effects. The negative magnetoresistance between 1.7 and 60 K agrees well with the scaling form of the J = 1/2 model of Schlottmann. The crystal field parameters have been estimated, and have been used for the analysis of the transport properties.",

author = "Adroja, {D. T.} and Rainford, {B. D.} and Neville, {A. J.}",

year = "1996",

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doi = "10.1016/0921-4526(96)00099-3",

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T1 - Crystal field study of the Kondo compound CePtGa

AU - Adroja, D. T.

AU - Rainford, B. D.

AU - Neville, A. J.

PY - 1996/6/2

Y1 - 1996/6/2

N2 - The Kondo compound CePtGa has been studied by a wide range of techniques. Neutron diffraction data show that CePtGa has the orthorhombic TiNiSi-type structure. Inelastic neutron scattering spectra display two well-defined crystal field transitions near 18 and 35.6 meV. Magnetic susceptibility measurements show antiferromagnetic ordering at 2.9 K. The temperature dependence of the resistivity can be understood on the basis of Kondo and crystal field effects. The negative magnetoresistance between 1.7 and 60 K agrees well with the scaling form of the J = 1/2 model of Schlottmann. The crystal field parameters have been estimated, and have been used for the analysis of the transport properties.

AB - The Kondo compound CePtGa has been studied by a wide range of techniques. Neutron diffraction data show that CePtGa has the orthorhombic TiNiSi-type structure. Inelastic neutron scattering spectra display two well-defined crystal field transitions near 18 and 35.6 meV. Magnetic susceptibility measurements show antiferromagnetic ordering at 2.9 K. The temperature dependence of the resistivity can be understood on the basis of Kondo and crystal field effects. The negative magnetoresistance between 1.7 and 60 K agrees well with the scaling form of the J = 1/2 model of Schlottmann. The crystal field parameters have been estimated, and have been used for the analysis of the transport properties.

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U2 - 10.1016/0921-4526(96)00099-3

DO - 10.1016/0921-4526(96)00099-3

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AN - SCOPUS:0030564094

SN - 0921-4526

VL - 223-224

SP - 279

EP - 282

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - 1-4

ER -

Crystal field study of the Kondo compound CePtGa

Abstract

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