Transition Metal Selenite Halides: A Fascinating Family of Magnetic Compounds

Berdonosov, P.S.; Kuznetsova, E.S.; Dolgikh, V.A.

Авторы: Berdonosov Peter S., Kuznetsova Elena S., Dolgikh Valery A.
Журнал: Crystals
Том: 8
Номер: 4
Год издания: 2018
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 159
DOI: 10.3390/cryst8040159
Аннотация: The problem of searching for low-dimensional magnetic systems has been a topical subject and has attracted attention of the chemistry and physics community for the last decade. In low-dimensional magnetic systems, magnetic ions are distributed anisotopically and form different groups such as dimers, chains, ladders, or planes. In 3D frameworks, the distances between magnetic ions are equal in all directions while in low-dimensional systems the distances within groups are different from those between groups. The main approach of searching for desired systems is a priori crystal chemical design expecting the needed distribution of transition metal ions in the resulting structure. One of the main concepts of this structural design is the incorporation of the p-element ions with stereochemically active electron pairs and ions acting as spacers in the composition. Transition metal selenite halides, substances that combine SeO32− groups and halide ions in the structure, seem to be a promising object of investigation. Up to now, there are 33 compounds that are structurally described, magnetically characterized, and empirically tested on different levels. The presented review will summarize structural peculiarities and observed magnetic properties of the known transition metal selenite halides. In addition, the known compounds will be analyzed as possible low-dimensional magnetic systems.
Добавил в систему: Бердоносов Петр Сергеевич

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