Thermoelectricity of URu2Si2: Giant Nernst effect in the hidden-order state

Romain Bel; Hao Jin; Kamran Behnia; Jacques Flouquet; Pascal Lejay

doi:10.1103/PhysRevB.70.220501

Thermoelectricity of URu₂Si₂: Giant Nernst effect in the hidden-order state

Romain Bel
, Hao Jin
, Kamran Behnia
, Jacques Flouquet
, Pascal Lejay

École Polytechnique

Centre national de la recherche scientifique
Univ. Joseph Fourier-Grenoble 1
Institut NÉEL

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

73 Citations (Scopus)

Abstract

We present a study of Nernst and Seebeck coefficients in the heavy-fermion compound URu₂Si₂, which hosts a phase transition of unsettled origin. A giant Nernst signal of unprecedented magnitude was found to emerge in the ordered state. Moreover, our analysis of the Seebeck and Hall data indicates that the ordering leads to a sudden increase in the entropy per itinerant electron and to a drastic decrease in the scattering rate.

Original language	English
Article number	220501
Pages (from-to)	220501-1-220501-4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	70
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.70.220501
Publication status	Published - 1 Jan 2004

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10.1103/PhysRevB.70.220501

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title = "Thermoelectricity of URu2Si2: Giant Nernst effect in the hidden-order state",

abstract = "We present a study of Nernst and Seebeck coefficients in the heavy-fermion compound URu2Si2, which hosts a phase transition of unsettled origin. A giant Nernst signal of unprecedented magnitude was found to emerge in the ordered state. Moreover, our analysis of the Seebeck and Hall data indicates that the ordering leads to a sudden increase in the entropy per itinerant electron and to a drastic decrease in the scattering rate.",

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AU - Flouquet, Jacques

AU - Lejay, Pascal

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N2 - We present a study of Nernst and Seebeck coefficients in the heavy-fermion compound URu2Si2, which hosts a phase transition of unsettled origin. A giant Nernst signal of unprecedented magnitude was found to emerge in the ordered state. Moreover, our analysis of the Seebeck and Hall data indicates that the ordering leads to a sudden increase in the entropy per itinerant electron and to a drastic decrease in the scattering rate.

AB - We present a study of Nernst and Seebeck coefficients in the heavy-fermion compound URu2Si2, which hosts a phase transition of unsettled origin. A giant Nernst signal of unprecedented magnitude was found to emerge in the ordered state. Moreover, our analysis of the Seebeck and Hall data indicates that the ordering leads to a sudden increase in the entropy per itinerant electron and to a drastic decrease in the scattering rate.

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Thermoelectricity of URu2Si2: Giant Nernst effect in the hidden-order state

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Thermoelectricity of URu₂Si₂: Giant Nernst effect in the hidden-order state