Abstract
Cd3P2 and Cd3As2 are degenerate n-type semiconductors showing plasmon-phonon coupling. From infrared and far-infrared reflectivity measurements at 300 K, the dielectric function e(w) can be determined by means of Kramers-Kronig analysis. With a special numerical method the complex poles and zeros of ε(ω) can be calculated giving directly the T0-phonon and L0 coupled mode parameters. From a general factorised equation describing ε(ω) the static dielectric constant of the material can be determined. Some experimental results will be given and discussed.
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© 1982 Springer-Verlag
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Gelten, M.J., van Es, C.M. (1982). Far infrared optical properties of Cd3P2 AND Cd3As2 . In: Gornik, E., Heinrich, H., Palmetshofer, L. (eds) Physics of Narrow Gap Semiconductors. Lecture Notes in Physics, vol 152. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-11191-3_26
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DOI: https://doi.org/10.1007/3-540-11191-3_26
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