Abstract
An empirical relation E g e n = 36.3 between the energy gap and refractive index is proposed. The applicability of the proposed relation is tested for 60 different polyatomic binary compounds. Our estimated refractive indices are in good agreement with the experimental values. The Szigeti charge variation with respect to single bond energy and refractive index is investigated for II–VI and III–V semiconductors. Relationships between formula weight and refractive index and bond energy and refractive index are also proposed.
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