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Temperature dependence of the pressure induced monoclinic distortion in the spin S=1/2 Shastry-Sutherland compound SrCu2(BO3)(2)
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Paul Scherrer Institute, Switzerland.
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2014 (English)In: Solid State Communications, ISSN 0038-1098, E-ISSN 1879-2766, Vol. 186, 13-17 p.Article in journal (Refereed) Published
Abstract [en]

We investigate the monoclinic distortion that occurs at 4.7 GPa at room temperature in the frustrated Shastry-Sutherland model quantum magnet SrCu2(BO3)(2) as a function of pressure and temperature by means of powder and single crystal angle dispersive synchrotron X-ray diffraction. Our results indicate that the onset of the structural distortion varies in a narrow pressure range between 4.0 and 5.0 GPa. This result will be useful in order to distinguish between magnetic transitions related to structural changes and potential intrinsic quantum phase transitions that various reports have suggested to take place in SrCu2(BO3)(2) at high pressure and low temperature.

Place, publisher, year, edition, pages
2014. Vol. 186, 13-17 p.
Keyword [en]
Shastry-Sutherland, Phase transition, Magnetic ordering, High pressure
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-103270DOI: 10.1016/j.ssc.2014.01.003ISI: 000333751800004OAI: oai:DiVA.org:su-103270DiVA: diva2:719254
Note

AuthorCount:8;

Available from: 2014-05-23 Created: 2014-05-12 Last updated: 2017-12-05Bibliographically approved

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