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  Strain and vector magnetic field tuning of the anomalous phase in Sr3Ru2O7

Brodsky, D. O., Barber, M. E., Bruin, J. A. N., Borzi, R. A., Grigera, S. A., Perry, R. S., et al. (2017). Strain and vector magnetic field tuning of the anomalous phase in Sr3Ru2O7. Science Advances, 3(2): e1501804, pp. 1-9. doi:10.1126/sciadv.1501804.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-2B0E-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-7F25-F
Genre: Journal Article

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 Creators:
Brodsky, Daniel O.1, Author              
Barber, Mark E.1, Author              
Bruin, Jan A. N.2, Author
Borzi, Rodolfo A.2, Author
Grigera, Santiago A.2, Author
Perry, Robin S.2, 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: A major area of interest in condensed matter physics is the way electrons in correlated electron materials can self-organize into ordered states, and a particularly intriguing possibility is that they spontaneously choose a preferred direction of conduction. The correlated electron metal Sr3Ru2O7 has an anomalous phase at low temperatures that features strong susceptibility toward anisotropic transport. This susceptibility has been thought to indicate a spontaneous anisotropy, that is, electronic order that spontaneously breaks the point-group symmetry of the lattice, allowing weak external stimuli to select the orientation of the anisotropy. We investigate further by studying the response of Sr3Ru2O7 in the region of phase formation to two fields that lift the native tetragonal symmetry of the lattice: in-plane magnetic field and orthorhombic lattice distortion through uniaxial pressure. The response to uniaxial pressure is surprisingly strong: Compressing the lattice by similar to 0.1% induces an approximately 100% transport anisotropy. However, neither the in-plane field nor the pressure phase diagrams are qualitatively consistent with spontaneous symmetry reduction. Instead, both are consistent with a multicomponent order parameter that is likely to preserve the point-group symmetry of the lattice, but is highly susceptible to perturbation.

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Language(s): eng - English
 Dates: 2017-02-032017-02-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000397039500001
DOI: 10.1126/sciadv.1501804
 Degree: -

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Title: Science Advances
  Other : Sci. Adv.
Source Genre: Journal
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Publ. Info: Washington : AAAS
Pages: - Volume / Issue: 3 (2) Sequence Number: e1501804 Start / End Page: 1 - 9 Identifier: Other: 2375-2548
CoNE: /journals/resource/2375-2548