Applied Surface Science

Metal-induced states on the GaAs(110) surface probed by angle-resolved photoemission spectroscopy

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We have used the technique of angle-resolved photoemission with a synchrotron radiation source to probe the electronic states of the metal-semiconductor overlayer systems of K, Cs, and Bi deposited on the GaAs(110) surface. In all cases, we observe changes in the electronic states of the clean surface along with the detection of new metal-induced features. © 1991.