On semimetal-semiconductor transition in thin Bi films

Autor: E. Rogacheva, A. Meriuts, M. Dresselhaus
Rok vydání: 2012
Předmět:
Zdroj: AIP Conference Proceedings.
ISSN: 0094-243X
Popis: Quantum size effects in thin semimetallic Bi films can manifest themselves in the form of a semimetal—semiconductor transition occurring under decreasing Bi layer thickness. A model of a semimetal—semiconductor transition, which takes into account a significant difference in electron and hole effective masses in Bi and the presence of the surface acceptor states is proposed. Using the proposed model, a more accurate interpretation of the experimental results is given.
Databáze: OpenAIRE