Far-infrared reflectivity of Cd[sub 3-x]Zn[sub x]As[sub 2] monocrystals

Belogorokhov, A. I.; Belogorokhov, A.I.; Zakharov, I. S.; Zakharov, I.S.; Kochura, A. V.; Kochura, A.V.; Knjazev, A. F.; Knjazev, A.F.
October 2000
Applied Physics Letters;10/2/2000, Vol. 77 Issue 14
Academic Journal
Reflectivity spectra of Cd[sub 3-x]Zn[sub x]As[sub 2] solid solutions with compositions x=1.2, 1.8, 2.25, and 2.55 were measured at room temperature within the range of 50-700 cm-1. Analysis based upon Kramers-Kronig relation has helped to calculate the basic optical functions (real and imaginary parts of dielectric constant, reflection, and absorption idecis) in the measured energy range. Dispersion analysis has been applied to find the parameters of phonons within the range of 50-300 cm-1. As a result a curve has been made to characterize the dependency of the most strong oscillator upon their composition features. © 2000 American Institute of Physics.


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