Now showing items 1-6 of 6

    • Electrical properties of the ternary compound Cu2GeSe3. 

      Villarreal, Manuel; Fernández, Braulio J.; Pirela B., María E.; Velásquez Velásquez, Ana (SABER ULA, 2008-03-27)
      Electrical properties of the ternary compound Cu2GeSe3. Villarreal, Manuel; Fernández, Braulio J.; Pirela B., María E. and Velásquez Velásquez, Ana Resumen We report in this work the temperature dependence of the ...
    • Preparation and electrical characterization of the compound CuAgGeSe3 

      Villarreal, Manuel; De Chalbaud, L. M.; Fernández, Braulio J.; Velásquez Velásquez, Ana; Pirela B., María E. (2011-10-11)
      This work reports the synthesis and electrical characterization of the compound CuAgGeSe3. This material was synthesized by direct melting of the constituent elements, in their stoiochiometric ratio inside an evacuated ...
    • Síntesis y caracterización de los compuestos ternarios Cu2GeSe3 y Cu2GeTe3 

      Villarreal, Manuel; Pirela B., María E.; Velásquez Velásquez, Ana; Mora, Asiloé J.; Fernández, Braulio J.; Delgado, Gerzon (SABER ULA, 2008-03-27)
      Síntesis y caracterización de los compuestos ternarios Cu2GeSe3 y Cu2GeTe3 Villarreal, Manuel ; Fernández, B.J.; Pirela, María; Velásquez-Velásquez, Ana; Mora, Asiloé J.; Delgado, Gerzon Resumen En este trabajo se ...
    • Síntesis y caracterización del material ternario Ag2SnSe3 dopado con galio. 

      Pirela B., María E.; Villarreal, Manuel; Velásquez Velásquez, Ana; Fernández, Braulio J.; Vivas, L.; Sánchez Pérez, Gerardo (SABER ULA, 2008-03-27)
      Síntesis y caracterización del material ternario Ag2SnSe3 dopado con galio. Pirela B., María E.; Velásquez Velásquez, Ana; Villarreal, Manuel; Fernández, Braulio J.; Vivas, L. and Sánchez Pérez, Gerardo Resumen En este ...
    • Structural refinement of the ternary chalcogenide compound Cu2GeTe3 by X-ray powder diffraction 

      Delgado, Gerzon; Villarreal, Manuel; Pirela B., María E.; Velásquez Velásquez, Ana; Mora, Asiloé J.; Fernández, Braulio J. (SABER ULA, 2007-03-28)
      Structural refinement of the ternary chalcogenide compoundCu2GeTe3 by X-ray powder diffraction Delgado, Gerzon E.; Mora, Asiloé J.; Pirela, María, Velásquez-Velásquez, Ana, Villarreal, Manuel; Fernández, Braulio ...
    • Synthesis, thermal analysis and structural characterization of the ternary compound Ag2SnTe3 

      Delgado, Gerzon; Pirela B., María E.; Velásquez Velásquez, Ana; Villarreal, Manuel; Fernández, Braulio J.; Grima Gallardo, Grima Gallardo, Pedro (SaberULA, Venezuela, 2019-05-29)
      The ternary compound Ag2 SnTe3 has been synthesized and investigated by means of X-ray powder diffraction and its structure has been refined by the Rietveld method. The thermal differential analysis indicates a melting ...