2018 |
Pinto, C; Galdámez, A; Barahona, P; Moris, S; Pena, O Crystal Structure, Raman Scattering and Magnetic Properties of Cucr2-Xzrxse4 and Cucr2-Xsnxse4 Selenospinels Artículo de revista Journal of Magnetism and Magnetic Materials, 456 , pp. 160-166, 2018, ISSN: 0304-8853. Resumen | Enlaces | BibTeX | Etiquetas: colossal crystal geometry magnetic magnetoresistance, properties, raman selenospinel, spectroscopy, structure @article{RN401, title = {Crystal Structure, Raman Scattering and Magnetic Properties of Cucr2-Xzrxse4 and Cucr2-Xsnxse4 Selenospinels}, author = { C. Pinto and A. Gald\'{a}mez and P. Barahona and S. Moris and O. Pena}, url = {/brokenurl#<Go to ISI>://WOS:000427580800023}, doi = {10.1016/j.jmmm.2018.02.023}, issn = {0304-8853}, year = {2018}, date = {2018-01-01}, journal = {Journal of Magnetism and Magnetic Materials}, volume = {456}, pages = {160-166}, publisher = {2018 Elsevier B.V.}, abstract = {Selenospinels, CuCr2-xMxSe4 (M = Zr and Sn), were synthesized via conventional solid-state reactions. The crystal structure of CuCr1.5Sn0.5Se4, CuCr1.7Sn0.3Se4, CuCr1.5Zr0.5Se4, and CuCr1.8Zr0.2Se4 were determined using single-crystal X-ray diffraction. All the phases crystallized in a cubic spinel-type structure. The chemical compositions of the single-crystals were examined using energy-dispersive X-ray analysis (EDS). Powder X-ray diffraction patterns of CuCr1.3Sn0.7Se4 and CuCr1.7Sn0.3Se4 were consistent with phases belonging to the Fd3m Space group. An analysis of the vibrational properties on the single-crystals was performed using Raman scattering measurements. The magnetic properties showed a spin glass behavior with increasing Sn content and ferromagnetic order for CuCr1.7Sn0.3Se4.}, keywords = {colossal crystal geometry magnetic magnetoresistance, properties, raman selenospinel, spectroscopy, structure}, pubstate = {published}, tppubtype = {article} } Selenospinels, CuCr2-xMxSe4 (M = Zr and Sn), were synthesized via conventional solid-state reactions. The crystal structure of CuCr1.5Sn0.5Se4, CuCr1.7Sn0.3Se4, CuCr1.5Zr0.5Se4, and CuCr1.8Zr0.2Se4 were determined using single-crystal X-ray diffraction. All the phases crystallized in a cubic spinel-type structure. The chemical compositions of the single-crystals were examined using energy-dispersive X-ray analysis (EDS). Powder X-ray diffraction patterns of CuCr1.3Sn0.7Se4 and CuCr1.7Sn0.3Se4 were consistent with phases belonging to the Fd3m Space group. An analysis of the vibrational properties on the single-crystals was performed using Raman scattering measurements. The magnetic properties showed a spin glass behavior with increasing Sn content and ferromagnetic order for CuCr1.7Sn0.3Se4. |
2018 |
Crystal Structure, Raman Scattering and Magnetic Properties of Cucr2-Xzrxse4 and Cucr2-Xsnxse4 Selenospinels Artículo de revista Journal of Magnetism and Magnetic Materials, 456 , pp. 160-166, 2018, ISSN: 0304-8853. |