JOURNAL OF CHILEAN CHEMICAL SOCIETY

Vol 64 No 1 (2019): Journal of the Chilean Chemical Society
Original Research Papers

RAMAN CHARACTERIZATION OF CuCr2-xSnxS4 SPINELS

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  • P. Valencia-Gálvez,
  • O. Peña,
  • S. Moris,
  • P. Barahona
P. Valencia-Gálvez
Facultad de Ciencias, Departamento de Química, Universidad de Chile
O. Peña
Institut des Sciences Chimiques de Rennes, Université de Rennes
S. Moris
Vicerrectoría de Investigación y postgrado, Universidad Católica del Maule
P. Barahona
Facultad de Ciencias Básicas, Universidad Católica del Maule
Published March 27, 2019
Keywords
  • thiospinels,
  • Raman spectroscopy,
  • magnetic measurements
How to Cite
Valencia-Gálvez, P., Peña, O., Moris, S., & Barahona, P. (2019). RAMAN CHARACTERIZATION OF CuCr2-xSnxS4 SPINELS. Journal of the Chilean Chemical Society, 64(1). Retrieved from https://jcchems.com/index.php/JCCHEMS/article/view/1036

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Abstract

Polycrystalline thiospinels CuCr2-xSnxS4 (x = 0.4, 0.8, 1.0 and 1.4) were synthesized via conventional solid-state reaction. The samples were characterized by powder X-ray diffraction (XRD), energy-dispersive X-ray analysis (SEM-EDS) and Raman spectroscopy. All the samples were indexed in the space group . The Raman spectra confirmed the structure of normal spinel type with five characteristic signals for the active modes in Raman. Magnetic measurements, per­formed for the phases with x = 0.8 and 1.0, showed irreversible antiferromagnetism with dominant ferromagnetism and spin glass behavior.

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