H- production on poly- and monocrystalline converters in a surface-plasma ion source Back to all publications Publication date 1 January 1984 Reference P.J.M. van Bommel, K.N. Leung and K.W. Ehlers, H- production on poly- and monocrystalline converters in a surface-plasma ion source, J. Appl. Phys. 56, 751-756 (1984) Request this article