Abstract
The existence of surface states in band gaps of a nearly free electron band structure is investigated. While in gaps at the Brillouin zone boundary one finds such a state only for positive potential matrix element, there a surface state always exists for band gaps inside the Brillouin zone.
Similar content being viewed by others
Author information
Authors and Affiliations
Additional information
Abteilung Prof. Dr. K. Molière.
It is a pleasure to acknowledge the kind hospitality of the Cavendish Laboratory, Cambridge, during the year 1968/69, where this work was done. My thanks are due to the Dr. Carl-Duisberg-Stiftung for the award of a Post-Doctoral Scholarship. I am indebted to Dr. V. Heine and Dr. J. B. Pendry for many useful discussions.
Rights and permissions
About this article
Cite this article
Forstmann, F. On the theory of surface states in nearly free electron systems. Z. Physik 235, 69–74 (1970). https://doi.org/10.1007/BF01399758
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF01399758