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|Title:||Photoemission Study of UxM100-x Films (M=Au,Pd,Ag) Prepared by Sputter Co-Deposition|
|Authors:||ELOIRDI RACHEL; GOUDER THOMAS; WASTIN FRANCK; REBIZANT JEAN; HUBER FRANK|
|Citation:||PHYSICA B vol. 359-361 p. 1000-1002|
|Type:||Articles in periodicals and books|
|Abstract:||Thin films of UxM100x (M 1:4 Au,Pd,Ag; x 1:4 02100 at) have been prepared by sputter codeposition from uranium and M targets. They have been studied in situ by ultra violet and X-ray photoemission spectroscopy (UPS and XPS,respectively). For all three systems, we observed regimes of composition where the 5f spectra have two components,one at the Fermi-level and one at the higher binding energy, characteristic for strong electron correlation, whereas in Pd and Ag matrices, transition from itinerant to localized behaviour takes place with dilution (in U25Pd75 and U5Ag95) and there is no domain of purely localized 5f states for U diluted in the Au matrix.|
|JRC Institute:||Institute for Transuranium Elements|
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