Photoelectron energy distribution spectra taken for the first time on micrometer-sized areas of cleaved GaAs(110) reveal rigid shifts from location to location in the photoemission core level peak energies, indicating band-bending changes on a microscopic scale.
Christoph Bostedt, Andre Al Haddad, Thomas Roland Barillot
Klaus Kern, Magalí Alejandra Lingenfelder, Fernando Pablo Cometto, Bart Willem Stel, Daniel Eduardo Hurtado Salinas