Low-temperature transport and thermodynamic properties of dense Kondo alloys <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:msub><mml:mrow><mml:mtext>Ce</mml:mtext></mml:mrow><mml:mn>8</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mtext>Pd</mml:mtext></mml:mrow><mml:mrow><mml:mn>24</mml:mn></mml:mrow></mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:mrow><mml:msub><mml:mrow><mml:mtext>Al</mml:mtext></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo>

Tchokonté, M.B. Tchoula; Bashir, A.K.H.; Strydom, A. M.; Doyle, T.D.; Kaczorowski, D.

doi:10.1016/j.jallcom.2017.05.086

Journal of Alloys and Compounds

2017

DOI: 10.1016/j.jallcom.2017.05.086

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Low-temperature transport and thermodynamic properties of dense Kondo alloys Ce8Pd24(Al1−

M.B. Tchoula Tchokonté

A.K.H. Bashir

A. M. Strydom

et al.

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Crystal electric field contribution to the thermoelectric power of the CeCoAl₄ antiferromagnetic

Toliński

2018

Int. J. Mod. Phys. B

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We report on the thermoelectric power S(T), electrical resistivity and thermal conductivity measurements on the antiferromagnetic CeCoAl4 compound and on the nonmagnetic reference compound, LaCoAl4. The Néel temperature of CeCoAl4 is T[Formula: see text] = 13.5 K and a metamagnetic-like transition occurs in the magnetic field of about 7.5 T. We show that the magnetic contribution to the thermoelectric power, S[Formula: see text](T), exhibits a large peak due to the crystal electric field (CEF) at about 240 K and a small anomaly around the ordering temperature. Surprisingly, the CEF related S[Formula: see text](T) peak is close to the upper CEF excitation energy [Formula: see text] = 202 K, in contrast to the usual case of the peak position being located at a fraction of the observed CEF energy level. The applicability of different theoretical and phenomenological models describing the temperature dependence of the Seebeck effect S[Formula: see text](T) has been tested and finally a calculation is proposed, which incorporates a full CEF levels scheme.

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Crystal electric field contribution to the thermoelectric power of the CeCoAl₄ antiferromagnetic

Toliński

2018

Int. J. Mod. Phys. B

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Low-temperature transport and thermodynamic properties of dense Kondo alloys Ce8Pd24(Al1−

Cited by 1 publication

References 29 publications

Crystal electric field contribution to the thermoelectric power of the CeCoAl₄ antiferromagnetic

Crystal electric field contribution to the thermoelectric power of the CeCoAl₄ antiferromagnetic

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Low-temperature transport and thermodynamic properties of dense Kondo alloys Ce8Pd24(Al1−

Cited by 1 publication

References 29 publications

Crystal electric field contribution to the thermoelectric power of the CeCoAl4 antiferromagnetic

Crystal electric field contribution to the thermoelectric power of the CeCoAl4 antiferromagnetic

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Product

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Crystal electric field contribution to the thermoelectric power of the CeCoAl₄ antiferromagnetic

Crystal electric field contribution to the thermoelectric power of the CeCoAl₄ antiferromagnetic