Effect of heterovalent substitutions in yttrium chromite on the hyperfine interactions of <sup>119</sup>Sn<sup>4+</sup> studied by Mössbauer spectroscopy

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Effect of heterovalent substitutions in yttrium chromite on the hyperfine interactions of ¹¹⁹Sn⁴⁺ studied by Mössbauer spectroscopy

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作者：Pavel B. Fabritchnyi^a ; ^{pf_1404@yahoo.fr" class="auth_mail" title="E-mail the corresponding author} ; Mikhail I. Afanasov^a ; Evgeny M. Mezhuev^a ; Alain Wattiaux^b ; Mathieu Duttine^b ; Christine Labrugè ; re^c
关键词：Calcium substituted chromites ; Charge compensation mechanisms ; X-ray photoelectron spectroscopy ; Local surrounding of the 119Sn probe ; B-cations' distribution ; Segregation of Sn4+ dopant ions
刊名：Journal of Solid State Chemistry
出版年：2016
出版时间：March 2016
年：2016
卷：235
期：Complete
页码：154-159
全文大小：1112 K

文摘

•: ¹¹⁹Sn probe is tested as a source of information on the B-sublattice of AF perovskites.
•: Neither Cr³⁺ nor Cr⁶⁺ is detected nearby ¹¹⁹Sn⁴⁺ ions in Y_0.9Ca_0.1CrO₃.
•: 15">Cr³⁺ and Ti⁴⁺ are found to be randomly distributed in Y_1−xCa_xCr_1−xTi_xO₃ (x=0.1 or 0.2).
•: Sn⁴⁺ dopant segregations are revealed in all of the studied materials.

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