Far infrared optical properties of Cd3P2 AND Cd3As2

  • M. J. Gelten
  • C. M. van Es
4. Optics
Part of the Lecture Notes in Physics book series (LNP, volume 152)


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.


Dielectric Function Phonon Mode Wave Number Range Static Dielectric Constant Solid State Comm 


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Copyright information

© Springer-Verlag 1982

Authors and Affiliations

  • M. J. Gelten
    • 1
  • C. M. van Es
    • 1
  1. 1.Department of PhysicsEindhoven University of TechnologyMB EindhovenThe Netherlands

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