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Preparation, Crystal and Magnetic Structure of the Double Perovskite Ba2FeWO6
Uppsala University, Interfaculty Units, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, The Studsvik Neutron Research Laboratory. Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry.
Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry.
Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry.
Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry.
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2002 (English)In: Applied Physics A, Vol. A 74, S763-765 p.Article in journal (Refereed) Published
Abstract [en]

Single-phase polycrystalline material of the double perovskite Ba2FeWO6 was prepared and characterized by X-ray and neutron powder diffraction (NPD). The crystal structure was tetragonal with lattice parameters a=b=5.7479(4) Å and c=8.1444(9) Å at room temperature (295 K). NPD data at 10 K shows the evidence of an antiferromagnetic ordering of the Fe atoms. The reverse Monte Carlo powder (RMCPOW) technique was used to find the magnetic structure, which showed that it is based on a unit cell related to that of the nuclear structure by the propagation vector 0 \frac[¯]1[¯][¯]2[¯] \frac[¯]1[¯][¯]2[¯] . An ordering of collinear spins was found with alternate layers in the c-direction or in the a-b plane. The model was checked by Rietveld refinement and the magnetic moment of iron was found to be 3.39(2)7B at 10 K.

Place, publisher, year, edition, pages
2002. Vol. A 74, S763-765 p.
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Inorganic Chemistry
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URN: urn:nbn:se:uu:diva-41934DOI: doi:10.1007/s003390101151OAI: oai:DiVA.org:uu-41934DiVA: diva2:69835
Available from: 2008-09-29 Created: 2008-09-29 Last updated: 2011-01-13

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Eriksen, JRundlöf, Håkan

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