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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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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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Effect of the selenium content in the optical properties of the kesteriteCu2 ZnSnS4-XSeX phases
López-Vergara, Fernanda; Galdámez, Antonio; Manríquez, Victor; Barahona-Huenchumil, Patricia (2016)Polycrystalline Cu2ZnSnS4-xSex (X=1, 2, 3) compounds were synthesized by conventional solid-state reactions. The samples were characterized by powder X-ray diffraction (XRD), energy-dispersive X-ray analysis (SEM-EDS), ...
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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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Structural characterization and dielectric properties of the solid solutions AgPb(Sb,Bi)S3
Galdámez, Antonio; López-Vergara, Fernanda; Barahona-Huenchumil, Patricia; Manríquez, Victor; Ávila, Ricardo E. (2012)The new solid solutions AgPbSb1−xBixS3 were prepared by solid state reactions. The phases were characterized by powder X-ray diffractions (XRD), scanning electron microscopy, and thermal analysis. The XRD patterns of ...
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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, ...
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Vibrational and optical properties of CZTS derivatives for photovoltaic applications: synthesis of Cu2ZnSn1-xGexS2Se2 compounds
Pinto, C.; López-Vergara, Fernanda; Galdámez, Antonio; Barahona-Huenchumil, Patricia; Moris-López, Silvana (2018)Herein, we report the vibrational and optical properties of new Cu2ZnSn1-xGexS2Se2 solid solutions prepared by isomorphic substitution of a fraction of Se by S in Cu2ZnSn1-xGexSe4 (CZTGeSe) through ceramic method. The Raman ...