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  Muon-spin relaxation study of the double perovskite insulators Sr2BOsO6 (B = Fe, Y, In)

Williams, R. C., Xiao, F., Thomas, I. O., Clark, S. J., Lancaster, T., Cornish, G. A., et al. (2016). Muon-spin relaxation study of the double perovskite insulators Sr2BOsO6 (B = Fe, Y, In). Journal of Physics: Condensed Matter, 28(7): 076001, pp. 1-9. doi:10.1088/0953-8984/28/7/076001.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-BC07-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-0043-3
Genre: Journal Article

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 Creators:
Williams, R. C.1, Author
Xiao, F.1, Author
Thomas, I. O.1, Author
Clark, S. J.1, Author
Lancaster, T.1, Author
Cornish, G. A.1, Author
Blundell, S. J.1, Author
Hayes, W.1, Author
Paul, A. K.2, Author              
Felser, C.3, Author              
Jansen, Martin4, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
4Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              

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 Abstract: We present the results of zero-field muon-spin relaxation measurements made on the double perovskite insulators Sr2BOsO6 (B = Fe, Y, In). Spontaneous muon-spin precession indicative of quasistatic long range magnetic ordering is observed in Sr2FeOsO6 within the AF1 antiferromagnetic phase for temperatures below T-N = 135 +/- 2 K. Upon cooling below T-2 approximate to 67 K the oscillations cease to be resolvable owing to the coexistence of the AF1 and AF2 phases, which leads to a broader range of internal magnetic fields. Using density functional calculations we identify a candidate muon stopping site within the unit cell, which dipole field simulations show to be consistent with the proposed magnetic structure. The possibility of incommensurate magnetic ordering is discussed for temperatures below T-N = 53 K and 25 K for Sr2YOsO6 and Sr2InOsO6, respectively.

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Language(s): eng - English
 Dates: 2016-01-252016-01-25
 Publication Status: Published in print
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Title: Journal of Physics: Condensed Matter
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 28 (7) Sequence Number: 076001 Start / End Page: 1 - 9 Identifier: ISSN: 0953-8984
CoNE: /journals/resource/954928562478