Cathodoluminescence of ZnSiP₂ in the Energy Region of the Pseudodirect Band Gap

Abstract

The ternary semiconductors of the type 11-IV -V with chalcopyrite structure 2 have been extensively studied in the past by different techniques in absorption and reflection measurements to obtain detailed information on band structure and to show something about the physical properties of the so-called "pseudodirect energy gaps" in these compounds. (For a more recent review concerning this subject see ( l ) , and especially for ZnSiP2 see ( 2 ) . )Absorption measurements of ZnSiP (3), (4) showed that the absorption coef--1