Polarised infrared reflectivity of CdGeAs2

G. D. Holah, Alan Miller, W. D. Dunnett, G. W. Iseler

Research output: Contribution to journalArticle

Abstract

The polarised infrared reflectivity of the chalcopyrite structure compound, CdGeAs2, has been measured at room temperature in the range 20-400 cm-1. Five of the six E optical modes and two of the three B2 optical modes have been observed. The transverse optical phonons deriving from G of zinc blende for both E and B2 modes (at 272 and 270 cm-1, respectively) agree in energy with that of the isoelectronic binary, GaAs (at 269 cm-1). The reflectivity spectra of CdGeAs2 have the same general character as other chalcopyrites studied. © 1977.

Original languageEnglish
Pages (from-to)75-78
Number of pages4
JournalSolid State Communications
Volume23
Issue number1
DOIs
Publication statusPublished - Jul 1977

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