The bonding of alkali metals to semiconductor surfaces: a direct and inverse photoemission studyB. Reihl; R. Dudde; L.S.O. Johansson; K.O. Magnusson; S.L. Sorensen; S. Wiklund · 1992

Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfacesHeskett, D.; Frank, K. -H.; Horn, K.; Koch, E. E.; Freund, H. -J.; Baddorf, A.; Tsuei, K. -D.; Plummer, E. W. · Physical Review B · 1988

Modification of surface states by alkali-metal adsorption and surface reconstruction: An inverse-photoemission study of Na/Ni(110)Memmel, N.; Rangelov, G.; Bertel, E.; Dose, V. · Physical Review B · 1991