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首页> 外文期刊>Physica status solidi, B. Basic research >Preparation and characterization of (CuInSe2)(1-x)(CoSe)(x) alloys in the composition range 0 <= x <= 2/3
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Preparation and characterization of (CuInSe2)(1-x)(CoSe)(x) alloys in the composition range 0 <= x <= 2/3

机译：组成范围为0 <= x <= 2/3的（CuInSe2）（1-x）（CoSe）（x）合金的制备和表征

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Polycrystalline samples of (CuInSe2)(1-x)(CoSe)(x) alloys were prepared by the normal melt and anneal technique in the composition range 0 < x less than or equal to 2/3. The obtained ingots were characterized by scanning electron microscopy, X-ray diffraction and differential thermal analysis techniques. A sample with x = 2/3 (prepared a posteriori) was also studied by the Raman shift technique. The results showed a complex behavior of the phase diagram. The phase (alpha) with chalcopyrite structure exists in a narrow interval 0 < x < 0.1 in the composition range; then, for 0.1 < x < 0.25, the ordered alpha phase gradually transforms into a disordered (alpha') phase where the cation sites are multi-occupied (Cu, Co and In) at random. For 0.25 < x < 0.35, two phases were observed, the alpha' phase and another, not identified (gamma) phase. Finally, for 0.35 < x < 2/3, another chalcopyrite-like phase (alpha") was observed together with traces of the gamma phase. The sequence of phase transformations in the studied composition range seems to be alpha --> alpha' --> alpha' + gamma --> alpha" + gamma. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
机译：（CuInSe2）（1-x）（CoSe）（x）合金的多晶样品通过常规的熔融和退火技术制备，组成范围为0 ​​alpha'- -> alpha'+伽玛-> alpha“ +伽玛。 （C）2004 WILEY-VCH Verlag GmbH＆Co. KGaA，Weinheim。

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