[Wien] (no subject)

[said chibani]

Dear Wien Users ,
how to determine optical gap from the graph of  optical properties ? is
determine from the graph of absorption coefficient? and how ?

2016-03-02 12:32 GMT+01:00 said chibani <chibanisaid102 at gmail.com>:

> Dear Wien Users ,
> how to interpret the graphs of the optical properties   ( The imaginary
> part of the complex dielectric and real part , the reflectivity R( w ),the
> refractive index n( w ),the absorption coefficients, the electron
> energy-loss function L( w )).
>
> Please, could you help me?
>
> Best wishes.
>
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