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A. M. VORA1,*
We present a pseudopotential calculation of the driving forces for atomic migration in metals and dilute alloys in the presence of electron currents. The forces on an atom arising from the applied electric field and from the applied electric field together comprise the driving force which causes a net current of atoms (n). The well-known Ashcroft’s empty core (EMC) local model potential is used to investigate the driving forces for interstitial and vacancy migration in several metals and their dilute alloys. The present study concludes that driving forces for interstitial migration is larger than vacancy migration. For some dilute alloys the electron scattering force is found to be in the opposite direction to the electron drift velocity. Present findings are compared with similar results, which confirm the applicability of the model potential.
Model potential, Driving forces, Atomic migrations, Metals and dilute alloys.
A. M. VORA, Forces driving atomic migration in metals and dilute alloys, Optoelectronics and Advanced Materials - Rapid Communications, 1, 4, April 2007, pp.182-185 (2007).
Submitted at: Feb. 28, 2007
Accepted at: March 14, 2007
Optoelectronics and Advanced Materials - Rapid Communications
(2024): Impact Factor = 0.4 - Journal Citation Reports (Clarivate Analytics, 2025)
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