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Title: Electrical and magnetic studies of the CdxCryV zSe4 Spinels
Authors: Groń, Tadeusz
Duda, Henryk
Malicka, Ewa
Zawisza, Beata
Krok-Kowalski, Józef
Pacyna, A. W.
Keywords: krystaliczne nieorganiczne półprzewodniki; półprzewodniki magnetyczne; niemetaliczne materiały ferromagnetyczne
Issue Date: 2009
Citation: Acta Physica Polonica A, Vol. 116, nr 5 (2009), s. 969-970
Abstract: The electrical and magnetic investigations carried out on the polycrystalline spinels with the general chemical formula CdxCryVzSe4 (where z = 0:06, 0.12, 0.24, and 0.31) revealed semiconducting and ferromagnetic properties with a Curie temperature of 127.5 K. A step-like structure of the electrical conductivity, ¾(T), was observed for the polycrystal containing 6% V ions in the octahedral sites while the remaining samples showed a typical Arrhenius behaviour of ¾(T). These effects are interpreted in terms of ferromagnetic spin clusters which finally dissolve on going towards the paramagnetic limit including non-stoichiometry.
ISSN: 0587-4246
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