Crystal structures and magnetic properties of CaSbxMn1-xO3 perovskites

Poltavets, V.; Vidyasagar, K.; Jansen, M.

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Crystal structures and magnetic properties of CaSb_xMn_1-xO₃ perovskites

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Poltavets, V.
Abteilung Jansen, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Jansen, M.
Abteilung Jansen, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Poltavets, V., Vidyasagar, K., & Jansen, M. (2004). Crystal structures and magnetic properties of CaSb_xMn_1-xO₃ perovskites. Journal of Solid State Chemistry, 177(4-5), 1285-1291.

Cite as: https://hdl.handle.net/21.11116/0000-000E-FEB6-7

Abstract

Manganese perovskites of the CaSbxMn1-xO3 (x = 0.1, 0.2, 0.25, 0.33,
0.5) family have been synthesized by solid state reactions and
structurally characterized by Rietveld refinement of the powder X-ray
diffraction data. CaSb0.1Mn0.9O3 crystallizes in Pnma space group with
a GdFeO3-type orthorhombic structure, whereas the other members of the
series crystallize in the space group P2(1)/m. Unit cell volumes of
these members increase linearly with antimony content. Divergences
between ZFC and FC magnetic susceptibilities were observed for
CaSbo(0.1)Mn(0.9)O(3), CaSb0.33Mn0.67O3 and CaSb0.5Mn0.5O3 at low
temperatures. Antiferromagnetic transitions at 125 K and 113 K were
found for CaSb0.2Mn0.8O3 and CaSb0.25Mn0.75O3, respectively. (C) 2003
Elsevier Inc. All rights reserved.