Original scientific paper
Theoretical study of the effective electron mass in quasi-one-dimensional systems of bismuth
Sambhunath Biswas
; Department of Electronics and Telecommunication Engineering, Bengal Engineering College, Howrah 711103, West Bengal, India
Kamakhya Prasad Ghatak
; Institute of Radio Physics and Electronics, University College of Science and Technology, 92, Acharya Prafulla Chandra Road, Calcutta - 700009, India
Abstract
An attempt is made to investigate theoretically the effective electron mass in quasi¬-one-dimensional systems of bismuth by using the dispersion relation of Takaoka et al. which includes various types of anisotropies in the energy spectrum and has been stated in the literature to be the most valid model of Bi. It is found that the effective electron mass at the Fermi level depends both on the quantum number and the Fermi energy due solely to the influence of band non-parabolicity. Besides, the corresponding results of anisotropic parabolic energy bands are also obtained from the expressions derived.
Keywords
Hrčak ID:
331112
URI
Publication date:
7.4.1986.
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