Kondo ion electron spin resonance in YbRh2(Si1-xGex)2(x = 0.05)

Sichelschmidt, J.; Ferstl, J.; Geibel, C.; Steglich, F.

doi:10.1016/j.physb.2004.12.042

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Kondo ion electron spin resonance in YbRh₂(Si_1-xGe_x)₂(x = 0.05)

Sichelschmidt, J., Ferstl, J., Geibel, C., & Steglich, F. (2005). Kondo ion electron spin resonance in YbRh₂(Si_1-xGe_x)₂(x = 0.05). Physica B-Condensed Matter, 359-361, 17-19. doi:10.1016/j.physb.2004.12.042.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0015-2CDF-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-ECAB-4

Genre: Journal Article

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Creators:
Sichelschmidt, J.¹, Author
Ferstl, J.², Author
Geibel, C.³, Author
Steglich, F.⁴, Author

Affiliations:
1Jörg Sichelschmidt, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863468
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404
3Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863465
4Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467

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Abstract: We report electron spin resonance (ESR) results for the heavy fermion metal YbRh2(Si1-xGex)2(x=0.05)YbRh2(Si1-xGex)2(x=0.05), where Ge doping suppresses the antiferromagnetic (AFM) ordering and thus brings the system very close to a AFM quantum critical point. The well-defined properties of the ESR signal demonstrate its origin from the Kondo ion Yb3+Yb3+ itself. A comparison with previous ESR results on the Ge-undoped compound stresses the need for a ESR-consistent local moment screening temperature close to zero. Our results are consistent with the localized moment scenario of quantum criticality.

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Language(s): eng - English

Dates: Date issued: 2005-04-30

Publication Status: Issued

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Identifiers: eDoc: 241992
DOI: 10.1016/j.physb.2004.12.042

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Title: Physica B-Condensed Matter

Other : Physica B

Source Genre: Journal

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Publ. Info: Amsterdam : North-Holland

Pages: - Volume / Issue: 359-361 Sequence Number: - Start / End Page: 17 - 19 Identifier: ISSN: 0921-4526
CoNE: https://pure.mpg.de/cone/journals/resource/954928575733