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  The effect of manganese oxidation state on antiferromagnetic order in SrMn1-xSbxO3 (0 < x < 0.5) perovskite solid solutions

Bazuev, G. V., Tyutyunnik, A. P., Korolyov, A. V., Suard, E., Tai, C.-W., & Tarakina, N. V. (2019). The effect of manganese oxidation state on antiferromagnetic order in SrMn1-xSbxO3 (0 < x < 0.5) perovskite solid solutions. Journal of Materials Chemistry C, 7, 2085-2095. doi:10.1039/C8TC05717F.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-D9AA-A Version Permalink: https://hdl.handle.net/21.11116/0000-000B-029F-0
Genre: Journal Article

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 Creators:
Bazuev, Gennady V., Author
Tyutyunnik, Alexander P., Author
Korolyov, Alexander V., Author
Suard, E., Author
Tai, Cheuk-Wai, Author
Tarakina, Nadezda V.1, Author           
Affiliations:
1Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2522693              

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 Abstract: The mixed-valence manganese (Mn3+/Mn4+) solid solution, SrMn1−xSbxO3, was prepared for the first time. Two ranges of solid solutions were found: (1) SrMn1−xSbxO3 (0.025 ≤ x ≤ 0.09) with monoclinically distorted 6H-SrMnO3 polytype (sp. gr. C/2c) and (2) SrMn1−xSbxO3 (0.17 ≤ x ≤ 0.50) with a tetragonal unit cell (sp. gr. I4/mcm). Crystal structure refinement using X-ray and neutron powder diffraction data showed that the structure of the monoclinic solid solution consists of corner-sharing octahedra around sites occupied by manganese and antimony ions and face-sharing octahedra around sites occupied by manganese ions only, while the tetragonal solid solution has a random distribution of B-site cations. The presence of long-range antiferromagnetic order with a Néel temperature of about 148 K for SrMn0.80Sb0.20O3 and about 280 K for SrMn0.925Sb0.075O3 was found from the results of DC and AC susceptibility and neutron diffraction experiments at 5 K and 80 K.

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Language(s): eng - English
 Dates: 2019-01-172019
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1039/C8TC05717F
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Title: Journal of Materials Chemistry C
  Other : Journal of Materials Chemistry C: Materials for Optical and Electronic Devices
  Abbreviation : J. Mater. Chem. C
Source Genre: Journal
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Publ. Info: London, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 7 Sequence Number: - Start / End Page: 2085 - 2095 Identifier: ISSN: 2050-7526