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  Synthesis and Characterization of BaLiRu5O11, BaCu1+xRu5–xO11, and BaLi1–xCux+δRu5–δO11: Crystal Structures and Valence States

Nemrava, S., Link, L., Hu, Z., Blaschkowski, B., Liao, S.-C., Lin, H.-J., et al. (2018). Synthesis and Characterization of BaLiRu5O11, BaCu1+xRu5–xO11, and BaLi1–xCux+δRu5–δO11: Crystal Structures and Valence States. Zeitschrift für anorganische und allgemeine Chemie, 644(0), 1691-1696. doi:10.1002/zaac.201800058.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-0F71-F Version Permalink: http://hdl.handle.net/21.11116/0000-0003-E12F-B
Genre: Journal Article

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 Creators:
Nemrava, Sandra1, Author
Link, Lukas, Author
Hu, Zhiwei2, Author              
Blaschkowski, Björn, Author
Liao, Sheng-Chieh3, Author              
Lin, Hong-Ji, Author
Chen, Chien-Te, Author
Chan, Ting-Shan, Author
Tjeng, Liu Hao4, Author              
Niewa, Rainer, Author
Affiliations:
1External Organizations, ou_persistent22              
2Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              
3Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
4Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              

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Free keywords: X-ray absorption spectroscopy, Ruthenates, Ruthenium, Valence states, Crystal structure
 Abstract: Single crystals of the quaternary R-type ferrites BaLiRu5O11 [a = 11.628(6) Å, c = 13.7596(5) Å], and BaCu1+xRu5–xO11 [a = 11.6825(6) Å, c = 13.8051(7) Å], and their quinary solid solution BaLi1–xCux+δRu5–δO11 [a = 11.6453(2) Å, c = 13.7772(3) Å] were obtained by flux growth technique. X-ray diffraction reveals the compounds to crystallize in space group P63/m with Z = 8. Measurements of the magnetic susceptibility of BaLiRu5O11 and BaCu1+xRu5–xO11, applying Curie–Weiss fits, confirm their paramagnetic behavior with temperature independent contributions of χ0,mol = 3.27 × 10–3 cm3·mol–1 and χ0,mol = 2.47 × 10–3 cm3·mol–1, respectively. Furthermore, the valence state of Ru in BaLiRu5O11 and BaCu1+xRu5–xO11 was determined to +3.8 by X-ray absorption spectroscopy. Cu in BaCu1+xRu5–xO11 is dominating in a +2 state according to X-ray photoelectron and X-ray absorption spectroscopy, while a minor amount in +1 state may represent the excess copper substituting some Ru within a distorted Kagome net arrangement.

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Language(s): eng - English
 Dates: 2018-06-192018-06-19
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1002/zaac.201800058
 Degree: -

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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: Leipzig, Weinheim : Verlag Johann Ambrosius Barth / Wiley-VCH
Pages: - Volume / Issue: 644 (0) Sequence Number: - Start / End Page: 1691 - 1696 Identifier: Other: 1521-3749
ISSN: 0044-2313
CoNE: /journals/resource/954925453895