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  Effect of uniaxial stress on the magnetic phases of CeAuSb2

Park, J., Sakai, H., Mackenzie, A. P., & Hicks, C. W. (2018). Effect of uniaxial stress on the magnetic phases of CeAuSb2. Physical Review B, 98(2): 024426, pp. 1-7. doi:10.1103/PhysRevB.98.024426.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-E2BF-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-EEF9-B
Genre: Journal Article

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 Creators:
Park, Joonbum1, Author              
Sakai, Hideaki2, 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 present results of measurements of resistivity of CeAuSb2 under the combination of c-axis magnetic field and in-plane uniaxial stress. In unstressed CeAuSb2 there are two magnetic phases. The low-field A phase is a single-component spin-density wave (SDW), with q = (eta, +/-eta, 1/2), and the high-field B phase consists of microscopically coexisting (eta, eta, 1/2) and (eta, -eta, 1/2) spin-density waves. Pressure along a < 100 > lattice direction is a transverse field to both of these phases and so initially has little effect, however it eventually induces new low-and high-field phases in which the principal axes of the SDW components appear to have rotated to the < 100 > directions. Under this strong < 100 > compression, the field evolution of the resistivity is much smoother than at zero strain: In zero strain, there is a strong first-order transition, while under strong < 100 > it becomes much broader. We hypothesize that this is a consequence of the uniaxial stress lifting the degeneracy between the (100) and (010) directions.

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Language(s): eng - English
 Dates: 2018-07-262018-07-26
 Publication Status: Published in print
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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: 98 (2) Sequence Number: 024426 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008