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Abstract

X-ray photoelectron spectroscopy and high-resolution ultraviolet photoelectron spectroscopy studies were performed on thin Pu layers and compared with the studies on bulk surfaces prepared at various temperatures. We followed the process of reconstruction of the alpha-Pu surface into a delta-Pu type. Its kinetics depends strongly on temperature. The electronic structure of Pu layers varies markedly with the thickness and the localization of the 5f states can be achieved in the case of ultra-thin Pu layers deposited on Mg. The valence band displays for the majority of Pu systems three sharp features within the first eV below the Fermi energy, the position of which is fixed. The localized 5f states yield a broad maximum at 1.6-eV binding energy.

Additional information

Authors: HAVELA L, Department of Electronic Structures, Charles University, Prague (CZ);GOUDER T, European Commission, Joint Research Centre, Institute for Transuranium Emements, Karlsruhe (DE);WASTIN F, European Commission, Joint Research Centre, Institute for Transuranium Emements, Karlsruhe (DE);REBIZANT J, European Commission, Joint Research Centre, Institute for Transuranium Emements, Karlsruhe (DE)
Bibliographic Reference: An article published in: Physical Review B, 65, 235118 (2002)
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://link.aps.org/abstract/PRB/v65/e235118
Record Number: 200215698 / Last updated on: 2002-12-23
Category: PUBLICATION
Original language: en
Available languages: en