Abstract
The most apparent properties of metals, their luster and their color, have been pp p ro p known to mankind since metals were known. Because of these properties, y metals were already used in ancient times for mirrors and jewelry. The color was utilized years4000 ears ago by the ancient Chinese as a guide to determine the composition of the melt of copper alloys: the hue of a preliminary cast indicated whether the melt, from which bells or mirrors were to be made, already had the right tin content.
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References
For example, RE. Hummel, Optische Eigenschaften von Metallen und Legierungen, SpringerVerlag, Berlin (1971).
We use, for the electric field strength, 6 to distinguish it from the energy.
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© 1993 Springer-Verlag Berlin Heidelberg
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Hummel, R.E. (1993). The Optical Constants. In: Electronic Properties of Materials. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-02954-1_10
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DOI: https://doi.org/10.1007/978-3-662-02954-1_10
Publisher Name: Springer, Berlin, Heidelberg
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