title: The study of surface segregation of Re(3)Pt polycrystalline alloy with photoelectron spectroscopy.
abstract: The surface segregation and electronic structure of Re(3)Pt polycrystalline alloy were investigated via x-ray photoelectron spectroscopy (XPS). The results from angle-resolved core-level XPS show the enrichment of Pt at the top surface layer upon annealing at T=1200 K. The experimental results show excellent agreement with a theoretical model calculation, providing the element-specific depth profiles upon the high temperature annealing process. The presence of strong electron hybridization between Re and Pt is evident in the valence-band density-of-states ultraviolet photoemission spectra.
authors.affiliation: Department of Applied Physics, Hanyang University, Ansan, Gyeonggi 426-791, Republic of Korea. bsmun@hanyang.ac.kr
authors.forename: Bongjin S
authors.initials: BS
authors.lastname: Mun
authors.forename: Massimiliano
authors.initials: M
authors.lastname: Rossi
authors.forename: Philip N
authors.initials: PN
authors.lastname: Ross