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Abstract

Resonant conduction band photoemission measurements using synchrotron radiation are presented for Umn-2. The variation of the photon energy around both the U5d -> 5f and the Mn 3p -> 3d excitation energy permits the identification of predominantly delocalized U5f states at E-F and of Mn 3d states around 2.5 eV below E-F. A structure at 1.3 eV below E-F resonates only weakly at the U5d as well as the Mn3p threshold and is therefore attributed to U6d states. The pronounced resonance behaviour of the oxygen 2p derived emission at the Mn3p threshold indicates a preferential oxidation of Mn.

Additional information

Authors: NAEGELE J R, JRC KARLSRUHE ESTAB. (GERMANY);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA);GHIJSEN J, JRC KARLSRUHE ESTAB. (GERMANY);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA);JOHNSON R L, JRC KARLSRUHE ESTAB. (GERMANY);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA);SECHOVSKY V JRC KARLSRUHE ESTAB. (GERMANY), JRC KARLSRUHE ESTAB. (GERMANY);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY), JRC KARLSRUHE ESTAB. (GERMANY);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA), JRC KARLSRUHE ESTAB. (GERMANY);MAX-PLANCK-INSTITUT FUER FESTKOERPERFORSCHUNG, STUTTGART (GERMANY);CHARLES UNIVERSITY, PRAHA (CZECHOSLOVAKIA)
Bibliographic Reference: 8TH INTERNATIONAL CONFERENCE ON VACUUM ULTRAVIOLET RADIATION PHYSICS, LUND (SWEDEN), AUG. 4-8, 1986 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 33035 ORA
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