Magnetic transitions in manganese benzoquinone coordination polymers

Авторы: Rakhimov R.R., Bah R., Andreyev A., Chisholm T., Noginova N., Hwang J.S., Prokof’ev A.I., Solodovnikov S.P., Alexandrov I.A., Aleksandrov A.I.
Журнал: Journal of Applied Physics
Том: 101
Номер: 9
Год издания: 2007
Издательство: AIP Publishing
Местоположение издательства: United States
Первая страница: 09G508
DOI: 10.1063/1.2710450
Аннотация: Coordination polymers exhibiting magnetic properties can be considered as promising materials formagnetic applications. We obtained such materials by means pf mechanochemical incorporation ofbinuclear metal complexes Mn–O–Mn into polystyrene. Incorporation of binuclear manganesecomplexes was achieved by using substituted benzoquinones organic acceptors as intermediateligands that react with manganese acetylacetonate and provide new coordination and stabilization ofmanganese in different valence states. Magnetic transitions in this system are due to reversibledisproportionation process Mn3+ –O–Mn3+⇔Mn2+ –O–Mn4+ in the binuclear complex. Thestructure of the binuclear complex was obtained using ab initio calculations.
Добавил в систему: Александров Алексей Иванович

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