Stress-dependent local oxidation of silicon

Evans, J.D. and King, J.R. (2017) Stress-dependent local oxidation of silicon. SIAM Journal on Applied Mathematics, 77 (6). pp. 2012-2039. ISSN 0036-1399

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The two-dimensional isolation oxidation of silicon is considered for stress-dependent reaction and diffusion coefficients. The influence of such parameters is investigated numerically and asymptotically in the bird's beak problem and for curved geometries arising in the oxidation of cylindrical and spherical structures. In the bird's beak problem, the limit of large activation volume is described for a stress-dependent reaction coefficient, illustrating the significant growth retardation of the silicon/silicon oxide interface and reduced stresses in the silicon oxide. Novel high-order nonlinear evolution-type PDEs are derived and investigated using asymptotic and numerical techniques.

Item Type: Article
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
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Depositing User: Eprints, Support
Date Deposited: 23 Mar 2018 15:31
Last Modified: 04 May 2020 19:20

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