Study of negative thermal expansion in the frustrated spinel ZnCr2Se4

The origin of negative thermal expansion (NTE) in the bond frustrated ZnCr2Se4 has been explored. ESR and FTIR document an ideal paramagnetic state above 100 K, below which ferromagnetic clusters coexist with the paramagnetic state down to TN. By fitting the inverse susceptibility above 100 K using...

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Veröffentlicht in:	Journal of applied physics 2014-02, Vol.115 (8)
Hauptverfasser:	Chen, X. L., Yang, Z. R., Tong, W., Huang, Z. H., Zhang, L., Zhang, S. L., Song, W. H., Pi, L., Sun, Y. P., Tian, M. L., Zhang, Y. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Clusters Curie-Weiss law Exchanging Ferromagnetism Magnetic permeability Thermal expansion
Online-Zugang:	Volltext
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