Muon-spin rotation measurements of the vortex state in Sr2RuO4: Type-1.5 
superconductivity, vortex clustering, and a crossover from a triangular to a 
square vortex lattice

Ray, S. J.; Gibbs, A. S.; Bending, S. J.; Curran, P. J.; Babaev, E.; Baines, C.; Mackenzie, A. P.; Lee, S. L.

doi:10.1103/PhysRevB.89.094504

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Muon-spin rotation measurements of the vortex state in Sr₂RuO₄: Type-1.5 superconductivity, vortex clustering, and a crossover from a triangular to a square vortex lattice

Ray, S. J., Gibbs, A. S., Bending, S. J., Curran, P. J., Babaev, E., Baines, C., et al. (2014). Muon-spin rotation measurements of the vortex state in Sr₂RuO₄: Type-1.5 superconductivity, vortex clustering, and a crossover from a triangular to a square vortex lattice. Physical Review B, 89(9): 094504, pp. 1-6. doi:10.1103/PhysRevB.89.094504.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-8701-5 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-8703-1

Genre: Journal Article

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Creators:
Ray, S. J.¹, Author
Gibbs, A. S.¹, Author
Bending, S. J.¹, Author
Curran, P. J.¹, Author
Babaev, E.¹, Author
Baines, C.¹, Author
Mackenzie, A. P.², Author
Lee, S. L.¹, Author

Affiliations:
1external, ou_persistent22
2Andrew Mackenzie, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863463

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Abstract: Muon-spin rotation has been used to probe the vortex state in Sr2RuO4. At moderate fields and temperatures a lattice of triangular symmetry is observed, crossing over to a lattice of square symmetry with increasing field and temperature. At lower fields it is found that there are large regions of the sample that are completely free from vortices which grow in volume as the temperature falls. Importantly this is accompanied by increasing vortex density and increasing disorder within the vortex-cluster-containing regions. Both effects are expected to result from the strongly temperature-dependent long-range vortex attractive forces arising from the multiband chiral-order superconductivity.

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Dates: Date issued: 2014-03-06

Publication Status: Issued

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Identifiers: ISI: 000332456500003
DOI: 10.1103/PhysRevB.89.094504

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Title: Physical Review B

Other : Phys. Rev. B

Source Genre: Journal

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Publ. Info: Woodbury, NY : American Physical Society

Pages: - Volume / Issue: 89 (9) Sequence Number: 094504 Start / End Page: 1 - 6 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008