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Numerical Calculation of the Drift Diffusion Current for Elastically Interacting Point Defects
Author(s) -
Pbofant M.,
Wollenberger H.
Publication year - 1975
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.2220710212
Subject(s) - current (fluid) , diffusion , drift current , point (geometry) , physics , mechanics , range (aeronautics) , crystallographic defect , condensed matter physics , statistical physics , materials science , geometry , mathematics , quantum mechanics , thermodynamics , composite material
For long range interactions the probability of defect encounter is determined by the drift diffusion current of one defect to the other. This current is calculated numerically for iso‐tropic point defects in an anisotropio elastic continuum. The diffusion current is found to be a fixed fraction of that caused by a spherical potential for which the current can bewritten by a simple analytical expression.