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  Magnetic phase diagram of the frustrated spin chain compound linarite PbCuSO4(OH)2 as seen by neutron diffraction and 1H-NMR

Heinze, L., Bastien, G., Ryll, B., Hoffmann, J.-U., Reehuis, M., Ouladdiaf, B., et al. (2019). Magnetic phase diagram of the frustrated spin chain compound linarite PbCuSO4(OH)2 as seen by neutron diffraction and 1H-NMR. Physical Review B, 99: 094435, pp. 1-14. doi:10.1103/PhysRevB.99.094436.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-BCD6-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-BCF5-5
Genre: Journal Article

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 Creators:
Heinze, L.1, Author
Bastien, G.1, Author
Ryll, B.1, Author
Hoffmann, J.-U.1, Author
Reehuis, M.1, Author
Ouladdiaf, B.1, Author
Bert, F.1, Author
Kermarrec, E.1, Author
Mendels, P.1, Author
Nishimoto, S.1, Author
Drechsler, S.-L.1, Author
Rößler, U. K.1, Author
Rosner, H.2, Author              
Büchner, B.1, Author
Studer, A. J.1, Author
Rule, K. C.1, Author
Süllow, S.1, Author
Wolter, A. U. B.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              

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 Abstract: We report on a detailed neutron diffraction and H1-NMR study on the frustrated spin-1/2 chain material linarite, PbCuSO4(OH)2, where competing ferromagnetic nearest-neighbor and antiferromagnetic next-nearest-neighbor interactions lead to frustration. From the magnetic Bragg peak intensity studied down to 60 mK, the magnetic moment per Cu atom is obtained within the whole magnetic phase diagram for Hb axis. Further, we establish the detailed configurations of the shift of the SDW propagation vector in phase V with field and temperature. Finally, combining our neutron diffraction results with those from a low-temperature/high-field NMR study, we find an even more complex phase diagram close to the quasisaturation field suggesting that bound two-magnon excitations are the lowest energy excitations close to and in the quasisaturation regime. Qualitatively and semiquantitatively, we relate such behavior to XYZ exchange anisotropy and contributions from the Dzyaloshinsky-Moriya interaction to affect the magnetic properties of linarite. © 2019 American Physical Society.

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Language(s): eng - English
 Dates: 2019-03-252019-03-25
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1103/PhysRevB.99.094436
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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: 99 Sequence Number: 094435 Start / End Page: 1 - 14 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008