Multiscale Simulation of Copper Nucleation on Gold
Karulkar, Mohan
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https://hdl.handle.net/2142/82406
Description
Title
Multiscale Simulation of Copper Nucleation on Gold
Author(s)
Karulkar, Mohan
Issue Date
2007
Doctoral Committee Chair(s)
Alkire, Richard C.
Department of Study
Chemical Engineering
Discipline
Chemical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Chemical
Language
eng
Abstract
The simulation model was linked to a continuum resistive-substrate code in order to simulate copper nucleation along a resistive gold substrate. The linkage was achieved in a manner similar to Sequential Coupling, eliminating the need for parallel communication between KMC simulations along the substrate with each other and with the resistive substrate code. Further analysis of the chemical mechanism and simulation model were earned out using results of the resistive substrate simulations. It was found that the height and uniformity of nucleation and growth are highly dependent on the applied potential, and that the presence or absence of selective suppression greatly influenced the uniformity of growth. Possible inaccuracies in the estimated parameters were identified by intermittent spiked growth observed in the KCM simulations, and further simulation studies were recommended.
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