The nature of surface states in cleaved surfaces of II-VI compounds with zincblende structure is studied. The tight-binding method is used to calcualete the electronic structure of a layer od twelvw (110) planes. The results show various surface bands both in the gap and in empty lenses od the projected bulk band structure. The nature of these states is discussed and a comparison with the available experiments is presented. The results support the model of ionic surface states previously proposed for these surfaces.
Electronic structure of nonpolar surfaces of II-VI compounds / CALANDRA BUONAURA, Carlo; Santoro, Giorgio. - In: THE JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY. - ISSN 0022-5355. - STAMPA. - 13:(1976), pp. 773-778. [10.1116/1.568987]
Electronic structure of nonpolar surfaces of II-VI compounds
CALANDRA BUONAURA, Carlo;SANTORO, Giorgio
1976
Abstract
The nature of surface states in cleaved surfaces of II-VI compounds with zincblende structure is studied. The tight-binding method is used to calcualete the electronic structure of a layer od twelvw (110) planes. The results show various surface bands both in the gap and in empty lenses od the projected bulk band structure. The nature of these states is discussed and a comparison with the available experiments is presented. The results support the model of ionic surface states previously proposed for these surfaces.
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