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Electronic transmission coefficient for solid‐state structures with spatially variable anisotropic electronic effective mass
Author(s) -
Kupka M.
Publication year - 1996
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221960216
Subject(s) - transmission coefficient , effective mass (spring–mass system) , anisotropy , transmission (telecommunications) , electronic structure , electron , rectangular potential barrier , materials science , condensed matter physics , computational physics , molecular physics , physics , optics , classical mechanics , quantum mechanics , electrical engineering , engineering
The method for calculating the electronic transmission coefficient for elastic electronic transport through a layered structure with spatially variable anisotropic effective mass and one‐electron potential energy is proposed. In this method, the transmission coefficient is evaluated by means of a certain matrix quantity assigned to any region of the sample. Thismatrix is determined by functional shapes of the reciprocal effective mass tensor and a one‐particle potential energy in a given region as wellas by the energy and group velocity of an incident electron. As an example, the transmission coefficients are calculated for a triple‐barrier structure as well as for a structure obtained by replacing the inner potential barrier by an anisotropic conductive layer.