Simple model calculations for optical constants of copper

Ahuja, A. K. ; Auluck, S. ; Joshi, S. K. (1985) Simple model calculations for optical constants of copper physica status solidi (b), 130 (2). pp. 607-618. ISSN 0370-1972

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A simple s-d band model is used for the interpretation of ε2(ω) for copper. Fitting simple polynomials for transition matrix elments, analytical expressions are obtained for ε 2(ω) in terms of band parameters of the s-d model. This expression is used to study the effect of matrix elements and variation of relaxation energy on ε2(ω) of copper. It is shown that such a simple model is sufficient to study such a variation and, therefore, to study the qualitative variation of ε2(ω). The model is also used to explain the peaks in dε2(ω)/dω curve successfully. The effect of hybridization amongst s and d bands is also taken into account for the calculation of transition matrix elements and the resulting effects in ε2(ω) are calculated.

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Deposited On:12 Nov 2010 13:43
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