Abstract

The author has studied the optical properties of crystalline and amorphous bismuth films. The spectrum of crystalline bismuth is discussed on the basis of a pseudopotential band structure calculation by Golin (1968). The shift of the main absorption peak with temperature is discussed in terms of a pseudopotential calculation. The spectrum of amorphous bismuth could be described well by the Drude equations and the plasmon frequency and electron lifetime thus obtained were similar to those found in liquid bismuth.

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