Understanding the origin of non-fermi liquid behaviour in doped Kondo insulators

J. Y. So; J. G. Park; D. T. Adroja; K. A. McEwen; A. P. Murani; S. J. Oh

doi:10.1088/0953-8984/15/28/341

Understanding the origin of non-fermi liquid behaviour in doped Kondo insulators

J. Y. So, J. G. Park, D. T. Adroja, K. A. McEwen, A. P. Murani, S. J. Oh

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

3 Citations (Scopus)

Abstract

We have made inelastic neutron scattering measurements on the doped Kondo insulators Ce(Rh_0.8Pd_0.2)Sb and (Ce_0.7Th_0.3)RhSb. Previous bulk property measurements showed non-Fermi liquid (NFL) behaviour for both compositions. In our inelastic neutron scattering data these two compounds also show E/T scaling behaviour in the dynamical spin susceptibility with different exponents, which is considered a characteristic feature of NFL systems. We discuss how these two different exponents might be related to different microscopic mechanisms of the NFL behaviour in the bulk properties as well as the E/T scaling behaviour seen in the dynamical susceptibility.

Original language	English
Pages (from-to)	S2153-S2157
Journal	Journal of Physics Condensed Matter
Volume	15
Issue number	28
DOIs	https://doi.org/10.1088/0953-8984/15/28/341
Publication status	Published - 23 Jul 2003
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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abstract = "We have made inelastic neutron scattering measurements on the doped Kondo insulators Ce(Rh0.8Pd0.2)Sb and (Ce0.7Th0.3)RhSb. Previous bulk property measurements showed non-Fermi liquid (NFL) behaviour for both compositions. In our inelastic neutron scattering data these two compounds also show E/T scaling behaviour in the dynamical spin susceptibility with different exponents, which is considered a characteristic feature of NFL systems. We discuss how these two different exponents might be related to different microscopic mechanisms of the NFL behaviour in the bulk properties as well as the E/T scaling behaviour seen in the dynamical susceptibility.",

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AU - So, J. Y.

AU - Park, J. G.

AU - Adroja, D. T.

AU - McEwen, K. A.

AU - Murani, A. P.

AU - Oh, S. J.

PY - 2003/7/23

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N2 - We have made inelastic neutron scattering measurements on the doped Kondo insulators Ce(Rh0.8Pd0.2)Sb and (Ce0.7Th0.3)RhSb. Previous bulk property measurements showed non-Fermi liquid (NFL) behaviour for both compositions. In our inelastic neutron scattering data these two compounds also show E/T scaling behaviour in the dynamical spin susceptibility with different exponents, which is considered a characteristic feature of NFL systems. We discuss how these two different exponents might be related to different microscopic mechanisms of the NFL behaviour in the bulk properties as well as the E/T scaling behaviour seen in the dynamical susceptibility.

AB - We have made inelastic neutron scattering measurements on the doped Kondo insulators Ce(Rh0.8Pd0.2)Sb and (Ce0.7Th0.3)RhSb. Previous bulk property measurements showed non-Fermi liquid (NFL) behaviour for both compositions. In our inelastic neutron scattering data these two compounds also show E/T scaling behaviour in the dynamical spin susceptibility with different exponents, which is considered a characteristic feature of NFL systems. We discuss how these two different exponents might be related to different microscopic mechanisms of the NFL behaviour in the bulk properties as well as the E/T scaling behaviour seen in the dynamical susceptibility.

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JO - Journal of Physics Condensed Matter

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ER -

Understanding the origin of non-fermi liquid behaviour in doped Kondo insulators

Abstract

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