U2Ru2Sn: a new Kondo insulator?

Tran, V. H.; Paschen, S.; Rabis, A.; Baenitz, M.; Steglich, F.; du Plessis, P. D.; Strydom, A. M.

doi:10.1016/S0921-4526(01)01087-0

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U₂Ru₂Sn: a new Kondo insulator?

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Tran, V. H.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Paschen, S.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126807

Rabis, A.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126528

Baenitz, M.
Michael Baenitz, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126861

Steglich, F.
Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126866

Strydom, A. M.
Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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引用

Tran, V. H., Paschen, S., Rabis, A., Baenitz, M., Steglich, F., du Plessis, P. D., & Strydom, A. M. (2002). U₂Ru₂Sn: a new Kondo insulator? Physica B-Condensed Matter, 312, 215-217. doi:10.1016/S0921-4526(01)01087-0.

引用: https://hdl.handle.net/11858/00-001M-0000-0015-31A1-D

要旨

We present magnetic susceptibility, specific heat, electrical resistivity, magneto resistance, Hall coefficient, thermal conductivity, thermoelectric power, and Sn-119 NMR data for U2Ru2Sn. Clear evidence is found for the formation of a gap in the electronic density of states at the Fermi level. Together with the disappearance of the local magnetic moments at low temperatures and the observation of enhanced effective masses this suggests to classify U(2)Ru(2)sn as a Kondo insulator. (C) 2002 Elsevier Science B.V. All rights reserved.