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  Structural Implications of Spin, Charge, and Orbital Ordering in Rubidium Sesquioxide, Rb4O6

Sans, A., Nuss, J., Fecher, G. H., Mühle, C., Felser, C., & Jansen, M. (2014). Structural Implications of Spin, Charge, and Orbital Ordering in Rubidium Sesquioxide, Rb4O6. Zeitschrift für anorganische und allgemeine Chemie, 640(7), 1239-1246. doi:10.1002/zaac.201400125.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-66E9-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-31F4-5
Genre: Journal Article

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 Creators:
Sans, A.1, Author              
Nuss, Jürgen2, Author
Fecher, Gerhard H.3, Author              
Mühle, Claus2, Author
Felser, Claudia4, Author              
Jansen, Martin1, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Gerhard Fecher, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863431              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: Rb4O6 displays mixed valency on the anionic lattice and an open p-shell electronic configuration. At ambient conditions, it exists in a disordered ground state structure, featuring three different potential ordering parameters related to phase transitions driven by charge, orbital and spin ordering. The possible paths of symmetry descent are analyzed by elaborating the respective group-subgroup relations between space groups, including the implications that would result from magnetic ordering. Experimentally, a lower symmetry modification was discovered and characterized by single-crystal X-ray diffraction [I (4) over bar, Z = 4, a = 8.688(6), c = 10.362(7) angstrom, R-1 = 0.055, 787 independent reflections]. The symmetry reduction involved follows one branch of the B rnighausen tree as predicted, I (4) over bar 3d -> I (4) over bar 2d -> I (4) over bar convincing evidence was obtained for Rb4O6 undergoing charge and orbital ordering, along with respective structural order.

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Language(s): eng - English
 Dates: 2014-06-232014-06-23
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000337746000002
DOI: 10.1002/zaac.201400125
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Title: Zeitschrift für anorganische und allgemeine Chemie
  Other : Journal of Inorganic and General Chemistry
  Other : J. Inorg. Gen Chem.
  Abbreviation : Z. Anorg. Allg. Chem.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 640 (7) Sequence Number: - Start / End Page: 1239 - 1246 Identifier: ISSN: 0044-2313
CoNE: /journals/resource/954925453895