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|a 10.1002/mrc.5319
|2 doi
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|a pubmed24n1157.xml
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|a eng
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|a Liu, Li
|e verfasserin
|4 aut
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|a Investigations on the local structure and the spin Hamiltonian parameters for Cu2+ in xCuO-(68-x)V2 O5 -32TeO2 glasses
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 06.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 John Wiley & Sons, Ltd.
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|a The defect structure, spin Hamiltonian parameters (SHPs: anisotropic g factors g ‖ and g ⊥ and the hyperfine structure constants A ‖ and A ⊥ ), and their compositional dependence of Cu 2 + in x CuO - ( 68 - x ) V 2 O 5 - 32 TeO 2 ( x = 5, 10, 20, 30 mol%) glasses are quantitatively analyzed by using the higher-order perturbation formula of octahedral complex with tetrahedral elongation distortion. Due to the Jahn-Teller effect, the [ CuO 6 ] 10 - group is subjected to tetragonal elongation distortion of varying degrees. D q , N , ρ , κ , and H show nonlinear changes with the concentrations of Cu 2 + . When x = 10 mol% CuO, the degree of distortion ( ρ ≈ 0 . 1 % ) is the smallest; when x = 30 mol% CuO, the degree of distortion ( ρ ≈ 15 % ) is the largest, which indicates that excessive distortion leads to the appearance of Z -axis oxygen vacancies and the coordination number of copper ions from six to four. The increasing tendency of the evaluated N and H reveals decreasing covalency of the whole glass system. Present theoretical studies would be useful to the explore the structural properties and optical applications of glass with different CuO concentrations
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|a Journal Article
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|a electron paramagnetic resonance
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|a local structure
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|a Yang, Zhangzhang
|e verfasserin
|4 aut
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1 |
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|a Fu, Jia
|e verfasserin
|4 aut
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| 700 |
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|a Wan, Zhitao
|e verfasserin
|4 aut
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 61(2023), 1 vom: 08. Jan., Seite 40-48
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
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|g volume:61
|g year:2023
|g number:1
|g day:08
|g month:01
|g pages:40-48
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|u http://dx.doi.org/10.1002/mrc.5319
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