Magnetic ordering in Fe 1.087 Te under pressure

Jens-Erik Jørgensen () and Denis Sheptyakov

The European Physical Journal B: Condensed Matter and Complex Systems, 2013, vol. 86, issue 1, 1-8

Abstract: The crystal and magnetic structures of Fe 1.087 Te have been studied by neutron powder diffraction in the temperature range from 1.7 to 80 K at pressures of ≈0.4 and ≈1.2 GPa. No symmetry change of the tetragonal paramagnetic ambient pressure phase (space group P4/nmm) was observed for temperatures above 60 K and pressures up to ≈1.2 GPa. A novel pressure-induced phase of Fe 1.087 Te having orthorhombic symmetry (space group Pmmn) and incommensurate antiferromagnetic bicollinear order was observed in the temperature range from 50 to 60 K at ≈1.2 GPa. The known monoclinic ambient pressure phase of Fe 1.087 Te (space group P2 1 /n) with commensurate antiferromagnetic order was found to be stable up to at least ≈1.2 GPa at low temperature. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1140/epjb/e2012-30528-9

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