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240701s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.4c00586
|2 doi
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|a pubmed24n1458.xml
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|a eng
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|a Skaggs, Callista M
|e verfasserin
|4 aut
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|a Ba4RuMn2O10
|b A Noncentrosymmetric Polar Crystal Structure with Disordered Trimers
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 02.07.2024
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Published by American Chemical Society.
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|a Phase-pure polycrystalline Ba4RuMn2O10 was prepared and determined to adopt the noncentrosymmetric polar crystal structure (space group Cmc21) based on results of second harmonic generation, convergent beam electron diffraction, and Rietveld refinements using powder neutron diffraction data. The crystal structure features zigzag chains of corner-shared trimers, which contain three distorted face-sharing octahedra. The three metal sites in the trimers are occupied by disordered Ru/Mn with three different ratios: Ru1:Mn1 = 0.202(8):0.798(8), Ru2:Mn2 = 0.27(1):0.73(1), and Ru3:Mn3 = 0.40(1):0.60(1), successfully lowering the symmetry and inducing the polar crystal structure from the centrosymmetric parent compounds Ba4T3O10 (T = Mn, Ru; space group Cmca). The valence state of Ru/Mn is confirmed to be +4 according to X-ray absorption near-edge spectroscopy. Ba4RuMn2O10 is a narrow bandgap (∼0.6 eV) semiconductor exhibiting spin-glass behavior with strong magnetic frustration and antiferromagnetic interactions
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|a Journal Article
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1 |
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|a Siegfried, Peter E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cho, Jun Sang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xin, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Garlea, V Ovidiu
|e verfasserin
|4 aut
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| 700 |
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|a Taddei, Keith M
|e verfasserin
|4 aut
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| 700 |
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|a Bhandari, Hari
|e verfasserin
|4 aut
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| 700 |
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|a Croft, Mark
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ghimire, Nirmal J
|e verfasserin
|4 aut
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| 700 |
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|a Jang, Joon I
|e verfasserin
|4 aut
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| 700 |
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|a Tan, Xiaoyan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 36(2024), 12 vom: 25. Juni, Seite 6053-6061
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:12
|g day:25
|g month:06
|g pages:6053-6061
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|u http://dx.doi.org/10.1021/acs.chemmater.4c00586
|3 Volltext
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