Intrinsic phonon parameters of Cd3P2

M.J. Gelten, C.M. Es, van

Research output: Contribution to journalArticlePopular

5 Citations (Scopus)


Far-infrared reflectivity measurements in the frequency range 40-650 cm-1 at T=10, 100, 150 and 300K have been performed on degenerate n-type Cd3P2 samples. The experimental results are fitted with a model dielectric function. The authors use the Drude/linear oscillators equation for a coupled-plasmon-phonon system. The best fit of the theoretical curve to the experimental data is obtained using six independent transverse phonon modes with temperature-independent eigenfrequencies and oscillator strengths and temperature-dependent damping constants. For the static dielectric constant a temperature-independent value is found of 23+or-1.
Original languageEnglish
Pages (from-to)3721-3728
JournalJournal of Physics C: Solid State Physics
Issue number21
Publication statusPublished - 1984


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