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Evolution of the electronic structures of NixSiy ordered systems: experimental and theoretical investigations |
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| Authors: | M Taguchi F Le Normand J Hommet S Rey G Schmerber JC Parlebas |
| Institution: | (1) The Abdus Salam International Centre for Theoretical Physics, PO Box 586, 34100 Trieste, Italy, IT;(2) IPCMS-GSI, UMR 7504 CNRS, 23 rue du Loess, 67037 Strasbourg Cedex, France, FR;(3) IPCMS-GEMM, UMR 7504 CNRS, 23 rue du Loess, 67037 Strasbourg Cedex, France, FR |
| Abstract: | We study the change of the electronic structures of nickel silicides, Ni3Si and NiSi2, as well as nickel and silicon through the evolution of their valence band X-ray photoelectron spectra (v-XPS) both experimentally and theoretically. The experimental spectra are compared to the total and partial densities of states using tight-binding linear muffin-tin orbital method (TB-LMTO) in the atomic sphere approximation (ASA). Good agreement is found between theory and experiment. Received 10 July 2000 |
| Keywords: | PACS 71 20 Lp Intermetallic compounds - 79 60 -i Photoemission and photoelectron spectra - 71 20 -b Electron density of states and band structure of crystalline solids |
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