文章
The Causes of Tungsten Oxides’Colours
- 详细资料
- 分类：Tungsten Information
- 发布于 2015年2月02日 星期一 18:16
- 作者：cq
- 点击数：1515
The colours of tungsten oxides are due to light absorption and selective reflection (and/or transmission). This is called subtractive colouration. The colour of the oxides changes with the electronic properties of the oxides which, perse, are a result of the crystal symmetry of the solid. Changes in size, crystallinity or temperature can significantly change the colour, as demonstrated in this article. Chemical vapour transport of tungsten renders the preparation of single crystals of tungsten oxides, but also tungsten metal, to further exploit their interesting structural, optical and electronic properties.
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