The role of cesium-ion bombardment in the formation of negative hydrogen ions on a converter surface Back to all publications Publication date 1 January 1987 Reference C.F.A. van Os, E.H.A. Granneman and P.W. van Amersfoort, The role of cesium-ion bombardment in the formation of negative hydrogen ions on a converter surface, J. Appl. Phys. 61, 5000-5011 (1987) Request this article