Summary
AgInS2 and AgInSe2 single crystals have been prepared by chemical transport with iodine and by the Bridgman method. Syntheses of the quaternary alloys AgInSe2(1−x)S2x have also been carried out. The splittings of the uppermost valence bands in orthorhombic AgInS2 have been determined from the photoconductivity spectrum. The lattice parameters, the energy gap, the magnetic suceptibility and the melting point of all the materials are presented.
Riassunto
Sono stati preparati cristalli singoli di AgInS2 e AgInSe2 mediante trasporto chimico con iodio e con il metodo di Bridgman. Sono state effecttuate anche sintesi delle leghe quaternarie AgInSe2(1−x)Se2x. Le separazioni delle bande di valenza piú alte del AgInS2 ortorombico sono state determinate dallo spettro di fotoconduttività. Si presentano i parametri del reticolo, la banda proibita, la suscettività magnetica e il punto di fusione di tutti i materiali.
Резюме
Приготовляются монокристаллы AgInS2 и AgInSe2, исполъзуя метод транспорта иода и метод Бридгмана. Также проводится синтез четярехкомпонентнях сплавов AgInSe2(1−x)S2x. Из спектра фотопроводимости определяются расцепления верхних валентных зон в орторомбическом AgInS2. Приводятся параметры рещетки, щирина запрещенной зоны, магнитная воспримчивостъ и точка плавления для всех соединений.
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Martinez Z., L., López-Rivera, S.A. & Sagredo, V. Preparation and properties of AgInS2 and AgInSe2 Single crystals and of the Quaternary alloys AgInSe2(1−x)S2x . Il Nuovo Cimento D 2, 1687–1694 (1983). https://doi.org/10.1007/BF02457851
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DOI: https://doi.org/10.1007/BF02457851