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New type of incommensurate magnetic ordering in Mn(3)TeO(6)
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry, Structural Chemistry.
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2011 (English)In: Materials research bulletin, ISSN 0025-5408, E-ISSN 1873-4227, Vol. 46, no 11, 1870-1877 p.Article in journal (Refereed) Published
Abstract [en]

The complex metal oxide Mn(3)TeO(6) exhibits a corundum related structure and has been prepared both in forms of single crystals by chemical transport reactions and of polycrystalline powders by a solid state reaction route. The crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder diffraction, electron microscopy, calorimetric and magnetic measurements. At room temperature this compound adopts a trigonal structure, space group R (3) over bar with a = 8.8679(1) angstrom. c = 10.6727(2) angstrom. A long-range magnetically ordered state is identified below 23 K. An unexpected feature of this magnetic structure is several types of Mn-chains. Under the action of the incommensurate magnetic propagation vector k = [0, 0, 0.4302(1)] the unique Mn site is split into two magnetically different orbits. One orbit forms a perfect helix with the spiral axis along the c-axis while the other orbit has a sine wave character along the c-axis.

Place, publisher, year, edition, pages
2011. Vol. 46, no 11, 1870-1877 p.
Keyword [en]
Magnetic materials, Oxides, Magnetic structure
National Category
Engineering and Technology Inorganic Chemistry
Research subject
Chemistry with specialization in Inorganic Chemistry; Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-161440DOI: 10.1016/j.materresbull.2011.07.041ISI: 000296038700021OAI: oai:DiVA.org:uu-161440DiVA: diva2:456827
Available from: 2011-11-16 Created: 2011-11-14 Last updated: 2017-12-08Bibliographically approved

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Ivanov, Sergey A.Nordblad, PerMathieu, RolandTellgren, Roland

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