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Short-range magnetic correlations and spin dynamics in the paramagnetic regime of (Mn,Fe)2(P,Si)
Delft Univ Technol, Fac Sci Appl, Fundamental Aspects Mat & Energy, Mekelweg 15, NL-2629 JB Delft, Netherlands..
Delft Univ Technol, Fac Sci Appl, Fundamental Aspects Mat & Energy, Mekelweg 15, NL-2629 JB Delft, Netherlands.;Max Planck Inst Chem Phys Solids, Nothnitzer Str 40, D-01187 Dresden, Germany..
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Inorganic Chemistry.
Delft Univ Technol, Fac Sci Appl, Fundamental Aspects Mat & Energy, Mekelweg 15, NL-2629 JB Delft, Netherlands..
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2016 (English)In: PHYSICAL REVIEW B, ISSN 2469-9950, Vol. 94, no 1, 014426Article in journal (Refereed) Published
Abstract [en]

The spatial and temporal correlations of magnetic moments in the paramagnetic regime of (Mn,Fe)(2)(P,Si) have been investigated by means of polarized neutron diffraction and muon-spin relaxation techniques. Short-range magnetic correlations are present at temperatures far above the ferromagnetic transition temperature (T-C). This leads to deviations of paramagnetic susceptibility from Curie-Weiss behavior. These short-range magnetic correlations extend in space, slow down with decreasing temperature, and finally develop into long-range magnetic order at T-C.

Place, publisher, year, edition, pages
2016. Vol. 94, no 1, 014426
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-302701DOI: 10.1103/PhysRevB.94.014426ISI: 000380097300003OAI: oai:DiVA.org:uu-302701DiVA: diva2:967406
Funder
Swedish Research Council
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2016-09-08Bibliographically approved

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Cedervall, Johan
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Inorganic Chemistry
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