References

[1]
R. Collins, T. Marsh and J. J. Jiminez-Rodrigues, Nucl. Instr. and Meth., 209/210, 147 (1983).
[2]
J. J. Jiminez-Rodrigues, N. P. Tognetti, T. Marsh, and R. Collins, Nucl. Instr. and Meth., B2, 792 (1984).
[3]
R. Collins, J. J. Jiminez-Rodriguez, M. Wadsworth and R. Badheka, J. Appl. Phys., 64, 1120 (1988).
[4]
M. Wadsworth, D. G. Armour, R. Badheka and R. Collins, A Model for Atomic Mixing, International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 3, 157-169 (1990).
[5]
R. Badheka, Simulation of Depth Resolution Limitations in SIMS Depth Profiling, PhD thesis, University of Salford (1995).
[6]
S. M. Kirkup and M. Wadsworth Computational Solution of the Atomic Mixing Equations: Special Methods and Algorithm of IMPETUS II, Int J Numer. Mode., 11, 207-219, (1998).
[7]
S. M. Kirkup IMPETUS II User Manual, Report MCS-96-10, Department of Mathematics and Computer Science, University of Salford, (1996).
[8]
P. C. Zalm, Ultra shallow profiling with SIMS, Rep. Prog. Physics, 58, 1321-1374 (1995).
[9]
J.P. Biesack and L.G.Haggmark,Nucl. Instrum. methods, 174, 257 (1980).
[10]
R. D. Richtmyer and K. W. Morton, Difference Methods for Initial Value Problems, John Wiley and Sons (1967).
[11]
A. R. Mitchell and D. F. Griffiths, The Finite Difference Method in Partial Differential Equations, John Wiley and Sons (1980).
[12]
K. Chen, Analysis and Experiments of a set of three-level semi-implicit finite difference schemes for nonlinear parabolic equations, Numerical Analysis Report 13/90, Department of Mathematics, University of Reading, Whiteknights, Reading, England RG6 2AX (1990).
[13]
FTN77, Salford Software Ltd, Adelphi House, Adelphi Street, Manchester.