F.J. Himpsel, T.A. Jung, et al.
Surface Review and Letters
Using angle-resolved photoemission with synchrotron radiation, we have determined accurate energy-versus-momentum dispersion relations along the 111 direction using a Pd(111) crystal. The energy E ( 0.1 eV accuracy) and the momentum parallel to the surface k are measured directly. The perpendicular component of the momentum k→ is obtained from the measured final energy via a calculated free-electron-like final band that is found to be accurate within ±5% of the zone-boundary momentum by comparison with certain critical points that have been measured directly (L1, G'2, and G15). For the initial bands, we find the dispersions of the two d-like 3 bands and of the sp-type ?1 band. Measured critical points (in eV) for bands numbered with increasing energy are: G2,3,4=-2.55±0.15, G5,6=-1.15±0.1, G7=18.4±0.5, G8=21.7±0.5, L4=-0.4±0.2, L5-0.1±0.1, and L7=7.7±0.3. Spin-orbit splitting ( 0.4 eV maximum) is observed for the upper 3 band. © 1978 The American Physical Society.
F.J. Himpsel, T.A. Jung, et al.
Surface Review and Letters
R. Ghez, J.S. Lew
Journal of Crystal Growth
Heinz Schmid, Hans Biebuyck, et al.
Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Imran Nasim, Melanie Weber
SCML 2024