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  Intermediate-Valence Ytterbium Compound Yb4Ga24Pt9: Synthesis, Crystal Structure, and Physical Properties

Sichevych, O., Prots, Y., Utsumi, Y., Akselrud, L., Schmidt, M., Burkhardt, U., et al. (2017). Intermediate-Valence Ytterbium Compound Yb4Ga24Pt9: Synthesis, Crystal Structure, and Physical Properties. Inorganic Chemistry, 56(15), 9343-9352. doi:10.1021/acs.inorgchem.7b01530.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F3C7-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F3CF-6
Genre: Journal Article

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 Creators:
Sichevych, Olga1, Author              
Prots, Yurii2, Author              
Utsumi, Yuki3, Author              
Akselrud, Lev1, Author              
Schmidt, Marcus4, Author              
Burkhardt, Ulrich5, Author              
Coduri, Mauro6, Author
Schnelle, Walter7, Author              
Bobnar, Matej1, Author              
Wang, Yu-Ting3, Author              
Wu, Yu-Han6, Author
Tsuei, Ku-Ding6, Author
Tjeng, Liu Hao8, Author              
Grin, Yuri9, Author              
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863424              
3Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
4Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415              
5Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
6External Organizations, ou_persistent22              
7Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
8Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
9Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: The title compound was synthesized by a reaction of the elemental educts in a corundum crucible at 1200 degrees C under an Ar atmosphere. The excess of Ga used in the initial mixture served as a flux for the subsequent crystal growth at 600 degrees C. The crystal structure of Yb4Ga24Pt9 was determined from single-crystal X-ray diffraction data: new prototype of crystal structure, space group C2/m, Pearson symbol mS74, a = 7.4809(1) angstrom, b = 12.9546(2) angstrom, c = 13.2479(2) angstrom, beta = 100.879(1)degrees, V = 1260.82(6) angstrom(3), R-F = 0.039 for 1781 observed reflections and 107 variable parameters. The structure is described as an ABABB stacking of two slabs with trigonal symmetry and compositions Yb4Ga6 (A) and Ga12Pt6 (B). The hard. X-ray photoelectron spectrum (HAXPES) of Yb4Ga24Pt9 shows both Yb2+ and Yb3+ contributions as evidence of an intermediate valence state of ytterbium The evaluated Yb valence of similar to 2.5 is in good agreement with the results obtained from the magnetic susceptibility measurements. The compound is, a bad metallic conductor.

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Language(s): eng - English
 Dates: 2017-07-182017-07-18
 Publication Status: Published in print
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Title: Inorganic Chemistry
  Abbreviation : Inorg. Chem.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 56 (15) Sequence Number: - Start / End Page: 9343 - 9352 Identifier: ISSN: 0020-1669
CoNE: /journals/resource/0020-1669