The Open Fuel Cells Journal
(Discontinued)
ISSN: 1875-9327 ― Volume 6, 2013
State of Chromium Atoms, Clustering, and Interatomic Interactions in Doped Lanthanum Gallate La(Sr)Ga(Cr,Mg)O3-δ
The Open Fuel Cells Journal , 2011, 4: 7-15
N.V. Chezhina , D.A. Korolev
Department of General and Inorganic Chemistry, St Petersburg State University, Dmitry Korolev St. Petersburg State University, Chemical Faculty, Universitetskii pr. 26, St. Petersburg, 198504, Russia
Electronic publication date 6/5/2011
[DOI: 10.2174/1875932701104010007]
Abstract:
The fractions of various clusters and single chromium atoms were calculated for a series of La1-0.2xSr0.2xCrxGa1-1.2xMg0.2xO3-δ solid solutions (0.01 < x < 0.10) within the context of diluted solution and Heizenberg-Dirack-van Vleck models. An essential influence of both the nature and concentration of heterovalent diamagnetic substituent on the quantitative and qualitative composition of chromium atom clusters was shown. These clusters include also strontium, magnesium atoms, and oxygen vacancies.
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