1. E.D. Marshall and M. Murakami,Contacts to Semiconductors: Fundamentals and Technology, ed. L.J. Brillson, (Park Ridge, NJ: Noyes Publications, 1993), p. 1.
2. B. Péoz, R. Vereseggyházy, I. Mojzes, G. Radóczi, A. Sulyok and V. Malina,Mat. Res. Soc. Symp. Proc., 181, (Pittsburgh, PA: Mater. Res. Soc., 1990), p. 319.
3. T.S. Kalkur, Y.C. Lu and C. Araujo,Met. Trans. A 21A, 2459 (1990).
4. D.H. Ko and R. Sinclair,Mater. Res. Soc. Symp. Proc, 181, (Pittsburgh, PA: Mater. Res. Soc., 1990), p. 333.
5. M.W. Cole, W.Y. Han, L.M. Casas, D.W. Eckart and K.A. Jones,J. Vac. Sci. Technol. A 12, 1904 (1994).