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  Effect of applied orthorhombic lattice distortion on the antiferromagnetic phase of CeAuSb2

Park, J., Sakai, H., Erten, O., Mackenzie, A. P., & Hicks, C. W. (2018). Effect of applied orthorhombic lattice distortion on the antiferromagnetic phase of CeAuSb2. Physical Review B, 97(2): 024411, pp. 1-6. doi:10.1103/PhysRevB.97.024411.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-3963-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-396F-5
Genre: Journal Article

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 Creators:
Park, Joonbum1, Author              
Sakai, Hideaki2, Author
Erten, Onur2, Author
Mackenzie, Andrew P.3, Author              
Hicks, Clifford W.4, Author              
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2External Organizations, ou_persistent22              
3Andrew Mackenzie, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863463              
4Clifford Hicks, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863466              

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 Abstract: We study the response of the antiferromagnetism of CeAuSb2 to orthorhombic lattice distortion applied through in-plane uniaxial pressure. The response to pressure applied along a < 110 > lattice direction shows a first-order transition at zero pressure, which shows that the magnetic order spontaneously lifts the (110)/(1 (1) over bar0) symmetry of the unstressed lattice. Sufficient < 100 > pressure appears to rotate the principal axes of the order from < 110 > to < 100 >. At low < 100 > pressure, the transition at T-N is weakly first order; however, it becomes continuous above a threshold < 100 > pressure. We discuss the possibility that this behavior is driven by order parameter fluctuations, with the restoration of a continuous transition being a result of reducing the point-group symmetry of the lattice.

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Language(s): eng - English
 Dates: 2018-01-112018-01-11
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1103/PhysRevB.97.024411
 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: 97 (2) Sequence Number: 024411 Start / End Page: 1 - 6 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008