States of Atoms and Interatomic Interactions in Complex Perovskite-like Oxides: XVI.1 Spin State of Nickel(III) Atoms in YyLa1 - yCaNixAl1 - xO4 Solid Solutions by EPR and Magnetic Susceptibility Data期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

States of Atoms and Interatomic Interactions in Complex Perovskite-like Oxides: XVI.1 Spin State of Nickel(III) Atoms in YyLa1 - yCaNixAl1 - xO4 Solid Solutions by EPR and Magnetic Susceptibility Data

Authors:	Andronenko S. I. Andronenko R. R. Zagrebel'nyi O. A. Chezhina N. V.

Affiliation:	(1) Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, St. Petersburg, Russia;(2) St. Petersburg State University, St. Petersburg, Russia

Abstract:	The EPR spectra of Y_yLa₁_-_yCaNi_xAl₁_-_xO₄ solid solutions were studied. The simulated EPR spectra of low-spin Ni(III) atoms and the calculated specific integral intensity agree with magnetic susceptibility data, implying selective filling of octahedral sites by Ni(III) atoms and to non-monotone variation of the fraction of low-spin monomers on lanthanum substitution for yttrium.

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