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  Uniaxial stress tuning of geometrical frustration in a Kondo lattice

Küchler, R., Stingl, C., Tokiwa, Y., Kim, M. S., Takabatake, T., & Gegenwart, P. (2017). Uniaxial stress tuning of geometrical frustration in a Kondo lattice. Physical Review B, 96(24): 241110, pp. 1-5. doi:10.1103/PhysRevB.96.241110.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-27E0-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-27E7-0
Genre: Journal Article

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 Creators:
Küchler, R.1, Author              
Stingl, C.2, Author
Tokiwa, Y.2, Author
Kim, M. S.2, Author
Takabatake, T.2, Author
Gegenwart, P.2, Author
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2External Organizations, ou_persistent22              

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 Abstract: Hexagonal CeRhSn with paramagnetic 4f moments on a distorted kagome lattice displays zero-field quantum critical behavior related to geometrical frustration. We report high-resolution thermal expansion and magnetostriction measurements under multiextreme conditions such as uniaxial stress up to 200 MPa, temperatures down to 0.1 K, and magnetic fields up to 10 T. Under uniaxial stress along the a direction, quantum criticality disappears and a complex magnetic phase diagram arises with a sequence of phases below 1.2 K and fields between 0 and 3 T (parallel to a). Since the Kondo coupling increases with stress, which alone would stabilize paramagnetic behavior in CeRhSn, the observed order arises from the release of geometrical frustration by in-plane stress.

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Language(s): eng - English
 Dates: 2017-12-212017-12-21
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1103/PhysRevB.96.241110
 Degree: -

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 96 (24) Sequence Number: 241110 Start / End Page: 1 - 5 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008