@article{MAKHILLJEAS20072812839, title = {Photoemission Properties of Cesiated Copper: Theory}, journal = {Journal of Engineering and Applied Sciences}, volume = {2}, number = {8}, pages = {1279-1282}, year = {2007}, issn = {1816-949x}, doi = {jeasci.2007.1279.1282}, url = {https://makhillpublications.co/view-article.php?issn=1816-949x&doi=jeasci.2007.1279.1282}, author = {J.O. Akinlami and}, keywords = {Photoemission,band structure,Energy Distribution Curve (EDC),photon energy,symmetry points and valence bands}, abstract = {Here we report the photoemission properties of cesiated copper. The theoretical Photoemission (PES) spectrum at w = 6.5eV shows 4 distinct structures but we have 2 peaks in the energy range-4.0 to-2.6eV. On increasing the photon energy, the left-hand peak fades away, then makes a comeback. At w = 7.1eV, there is a single broad pieces of structure which splits into a doublet on going to w = 8.2eV. The behaviour of the structure obtained on varying the photon energy is characteristics of direct transitions.} }