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  Synthesis, crystal structures, and magnetic properties of double perovskites SrLaNiOsO6 and BaLaNiOsO6

Feng, H. L., Schnelle, W., Tjeng, L. H., & Jansen, M. (2016). Synthesis, crystal structures, and magnetic properties of double perovskites SrLaNiOsO6 and BaLaNiOsO6. Solid State Communications, 243, 49-54. doi:10.1016/j.ssc.2016.06.008.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-96F2-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-AC4E-E
Genre: Journal Article

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 Creators:
Feng, Hai L.1, Author              
Schnelle, Walter2, Author              
Tjeng, Liu Hao3, Author              
Jansen, Martin4, Author              
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
3Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
4Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              

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 Abstract: New double perovskite oxides SrLaNiOsO6 and BaLaNiOsO6 were synthesized by solid state reactions from the respective binary metal oxides, and their crystal structures and magnetic properties were characterized. At room temperature SrLaNiOsO6 and BaLaNiOsO6 crystallize in ordered double perovskite structures with space groups of P2(1)/n (monoclinic) and I4/m (tetragonal), respectively. They are electrically semiconducting with an activation energy of approximate to 0.35 eV. Specific heat and magnetic measurements indicate that SrLaNiOsO6 shows predominantly antiferromagnetic correlations and displays antiferromagnetic transition around 60 K. However, for the isoelectronic BaLaNiOsO6 ferromagnetic correlations are predominant and there is no clear feature of a magnetic transition detectable. The remarkable change in magnetic properties of ALaNiOsO(6) (A = Sr and Ba) can be related to the degree of structure distortions, i.e. the bending of the O-B-O (B = Ni,Os) links. (C) 2016 Elsevier Ltd. All rights reserved.

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 Dates: 2016-06-142016-06-14
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: ISI: 000381544200009
DOI: 10.1016/j.ssc.2016.06.008
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Title: Solid State Communications
Source Genre: Journal
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Publ. Info: New York : Pergamon
Pages: - Volume / Issue: 243 Sequence Number: - Start / End Page: 49 - 54 Identifier: ISSN: 0038-1098
CoNE: https://pure.mpg.de/cone/journals/resource/954925445695