Spin glass behavior in MnIn2Se4 and Zn1−xMnxIn2Se4 magnetic semiconductors

We present measurements of the magnetic and structural properties of the magnetic semiconductor MnIn2Se4 and Zn1−xMnxIn2Se4(x=0.87). The localized Mn ions in the layered rhombohedral structure undergo a spin-freezing transition below 3.5K. The frequency-dependent freezing temperature Tf varies as ΔT...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2004-05, Vol.272-276, p.1308-1309
Main Authors: Mantilla Ochoa, J.C., Bindilatti, V., ter Haar, E., Coaquira, J.A.H., de Souza Brito, G.E., Gratens, X., Sagredo, V.
Format: Article
Language:English
Subjects:
Magnetic semiconductors
Spin glasses
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Summary:We present measurements of the magnetic and structural properties of the magnetic semiconductor MnIn2Se4 and Zn1−xMnxIn2Se4(x=0.87). The localized Mn ions in the layered rhombohedral structure undergo a spin-freezing transition below 3.5K. The frequency-dependent freezing temperature Tf varies as ΔTf/(TfΔlogω)≈0.022, indicating spin-glass behavior.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2003.12.1080