The mineral graphite is an allotrope of carbon. It was named by Abraham Gottlob Werner in 1789 from the Ancient Greek ""to draw/write"", for its use in pencils, where it is commonly called lead (not to be confused with the metallic element lead). Unlike diamond (another carbon allotrope), graphite is an electrical conductor, a semimetal. Graphite is the most stable form of carbon under standard conditions. ",

对于常见材料例如Graphite, 它在632.8 纳米波长的折射率消光系数分别为2.700和1.390。 下面列出的材料包含完整的折射率和消光系数, 如果你需要的材料无法下载,你可以点击“索取”来索取我们专有的材料文件。

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波长 (nm)

折射率引用 - Filmetrics Composite

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