DATOS DE DIFRACCIÓN DE RAYOS-X Y REFINAMIENTO RIETVELD DE LOS SEMICONDUCTORES CALCOGENUROS TERNARIOS AgInSe2 y AgInTe2
Abstract
Los calcogenuros ternarios AgInSe2 y AgInTe2 se estudiaron mediante refinamiento Rietveld utilizando datos de difracción de rayos-X en muestras policristalinas. Ambos compuestos cristalizan con una estructura tipo calcopirita en el grupo espacial I 4 2d, (N° 122), Z = 4, y parámetros de celda unidad a = 6.0988(2) Å, c = 11.7086(6) Å, V = 435.51(3) Å3 para AgInSe2 y a = 6.4431(4) Å, c = 12.6362(9) Å, V = 524.57(6) Å3 para AgInTe2. Se reportan mejores datos de difracción de polvo con figuras de mérito M19 = 84.0, F19 = 40.7 (0.0071, 66) para AgInSe2, y M20 = 80.8, F23 = 39.0 (0.0075, 79) para AgInTe2.Downloads
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