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Crystal structure and magnetic properties of titanium-based CuTi2 xMxS4 and CuCr2 xTixSe4 chalcospinels
Barahona-Huenchumil, Patricia; Galdámez, Antonio; López-Vergara, Fernanda; Manríquez, Victor; Peña, Octavio (2014)CuTi2 xMxS4 (M¼Fe, Mn, Co; x¼0.3, 0.5) and CuCr2 xTixSe4 (x¼0.3, 0.5, 0.7) chalcospinels were synthesized by conventional solid-state reactions. Their crystal structures were determined by single-crystal X-ray diffraction. ...
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Crystal structure, Raman scattering and magnetic properties of CuCr2 xZrxSe4 and CuCr2 xSnxSe4 selenospinels
Barahona-Huenchumil, Patricia; Pinto, C.; Galdámez, Antonio; Peña, Octavio; Moris-López, Silvana (2018)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 ...
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(Cu)tet(Cr2–xSnx)octS4–ySey Spinels: Crystal structure, density functional theory calculations, and magnetic behavior
Moris-López, Silvana; Valencia-Gálvez, P.; Mejía-López, José; Peña, Octavio; Barahona-Huenchumil, Patricia; Galdámez, Antonio (2019)A new series of (Cu)tet[Cr2–xSnx]octS4–ySey compounds was prepared by solid-state reaction at high temperature. Determination of the crystal structures by single-crystal X-ray diffraction revealed that CuCr1.0Sn1.0S2.1Se1.9, ...
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Cu2Mn1xCoxSnS4: Novel kesterite type solid solutions
López-Vergara, Fernanda; Galdámez, Antonio; Manríquez, Victor; Barahona-Huenchumil, Patricia; Peña, Octavio (2013)A new family of Cu2Mn1xCoxSnS4 chalcogenides has been synthesized by conventional solid-state reactions at 850 1C. The reactions products were characterized by powder X-ray diffraction (XRD), energy-dispersive X-ray analysis ...
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Magnetic properties and crystal structure of solid-solution Cu2MnxFe1−xSnS4 chalcogenides with stannite-type structure
Barahona-Huenchumil, Patricia; López-Vergara, Fernanda; Galdámez, Antonio; Manríquez, Victor; Peña, Octavio (2014)New solid solutions Cu2MnxFe1−xSnS4 were prepared by direct combination of the corresponding elements at 850 °C. The crystal structure of Cu2Mn0.4Fe0.6SnS4 was determined by single-crystal X-ray diffraction. This phase is ...
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Raman characterization of CuCr2-xSnx S4 spinels
Valencia-Gálvez, P.; Peña, Octavio; Moris-López, Silvana; Barahona-Huenchumil, Patricia (2019)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 ...
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Synthesis and magnetic properties of chromium-based Cu(Cr2‑xTix )S4 thiospinels and their deficient structures Cu1‑yoy Cr2‑xTix S4 obtained by Copper extraction
Barahona-Huenchumil, Patricia; Galdámez, Antonio; López-Vergara, Fernanda; Manríquez, Victor; Peña, Octavio (2014)The crystalline structure of spinels is extremely flexible due to the presence of several sublattices in which the cations can be distributed and localized in different crystallographic sites depending on their sizes, ...