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Muon sites in PbF2 and YF3: Decohering environments and the role of anion Frenkel defects

Wilkinson, J.M.; Pratt, F.L.; Lancaster, T.; Baker, P.J.; Blundell, S.J.

Muon sites in PbF2 and YF3: Decohering environments and the role of anion Frenkel defects Thumbnail


Authors

J.M. Wilkinson

F.L. Pratt

P.J. Baker

S.J. Blundell



Abstract

Muons implanted into ionic fluorides often lead to a so-called F– μ –F state, in which the time evolution of the muon spin contains information about the geometry and nature of the muon site. Nuclei more distant from the muon than the two nearest-neighbor fluorine ions result in decoherence of the F– μ –F system, and this can yield additional quantitative information about the state of the muon. We demonstrate how this idea can be applied to the determination of muon sites within the ionic fluorides α − PbF 2 and YF 3 , which contain fluoride ions in different crystallographic environments. Our results can be used to distinguish between different crystal phases and provide strong evidence for the existence of anion Frenkel defects in α − PbF 2 .

Citation

Wilkinson, J., Pratt, F., Lancaster, T., Baker, P., & Blundell, S. (2021). Muon sites in PbF2 and YF3: Decohering environments and the role of anion Frenkel defects. Physical Review B, 104(22), Article L220409. https://doi.org/10.1103/physrevb.104.l220409

Journal Article Type Article
Acceptance Date Dec 7, 2021
Online Publication Date Dec 22, 2021
Publication Date Dec 1, 2021
Deposit Date Dec 24, 2021
Publicly Available Date Apr 22, 2022
Journal Physical review B: Condensed matter and materials physics
Print ISSN 2469-9950
Electronic ISSN 2469-9969
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 104
Issue 22
Article Number L220409
DOI https://doi.org/10.1103/physrevb.104.l220409
Related Public URLs https://arxiv.org/abs/2108.13942

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Copyright Statement
Reprinted with permission from the American Physical Society: Wilkinson, J. M., Pratt, F. L., Lancaster, T., Baker, P. J. & Blundell, S. J. (2021). Muon sites in PbF2 and YF3: Decohering environments and the role of anion Frenkel defects. Physical Review B 104(22): L220409. © (2021) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.





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