Structural, thermodynamical and optical properties Of Cu2-II-IV-VI4 quaternary compounds
Structural, thermodynamical and optical properties Of Cu2-II-IV-VI4 quaternary compounds
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DOI：
10.1007/s10853-005-1223-5
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发表时间：
2005-04-01
影响因子：
4.5
通讯作者：
Katsui, A
中科院分区：
文献类型：
--
作者：
Matsushita, H;Ichikawa, T;Katsui, A
研究了具有四面体配位结构的 Cu-2-II-IV-VI4 化合物（II = Zn、Cd；IV = Si、Ge、Sn；VI = S、Se、Te），并与各元素混合物合成的产物进行了比较。分别使用差热分析和粉末 X 射线衍射来确定这些晶体结构和熔点。这些通过水平梯度冷冻或碘传输方法生长的块状晶体的光学带隙也通过光学吸收来测量。发现这些熔点、晶格常数和带隙随着平均原子量的增加而线性变化，并且可以从经验方程建立。 (C) 2005 年施普林格科学 + 商业媒体公司。
The Cu-2-II-IV-VI4 compounds (II = Zn, Cd; IV = Si, Ge, Sn; VI = S, Se, Te) with a tetrahedral coordinated structure have been investigated, as compared with the results of the products synthesized from respective elemental mixtures. These crystal structures and melting points are determined, using differential thermal analysis and powder X-ray diffraction, respectively. The optical band gaps of these balk crystals grown by the horizontal gradient freezing or Iodine transport method are also measured by optical absorption. These melting points, lattice constants and band gaps are found to vary linearly with increasing of mean atomic weight, and can be established from the empirical equations. (C) 2005 Springer Science + Business Media, Inc.