Title: Ground-state wave function of Plutonium in PuSb as determined via X-ray magnetic circular dichroism
Authors: JANOSCHEK M.HASKEL D.FERNANDEZ-RODRIGUEZ J.VAN VEENENDAAL M.REBIZANT J.LANDER G.hZHU J.-X.THOMPSON J. d.BAUER E.d.
Citation: PHYSICAL REVIEW B vol. 91 no. 03 p. 035117
Publisher: AMER PHYSICAL SOC
Publication Year: 2015
JRC N°: JRC92347
ISSN: 1098-0121
URI: http://journals.aps.org/prb/abstract/10.1103/PhysRevB.91.035117
http://publications.jrc.ec.europa.eu/repository/handle/JRC92347
DOI: 10.1103/PhysRevB.91.035117
Type: Articles in periodicals and books
Abstract: Measurements of x-ray magnetic circular dichroism (XMCD) and x-ray absorption near-edge structure (XANES) spectroscopy at the Pu M4,5 edges of the ferromagnet PuSb are reported. Using bulk magnetization measurements and a sum rule analysis of the XMCD spectra, we determine the individual orbital [μL = 2.8(1)μB/Pu] and spin moments [μS = −2.0(1)μB/Pu] of the Pu 5f electrons. Atomic multiplet calculations of the XMCD and XANES spectra reproduce well the experimental data and are consistent with the experimental value of the spin moment. These measurements of Lz and Sz are in excellent agreement with the values that have been extracted from neutron magnetic form factor measurements, and confirm the local character of the 5f electrons in PuSb. Finally, we demonstrate that a split M5 as well as a narrow M4 XMCD signal may serve as a signature of 5f electron localization in actinide compounds.
JRC Directorate:Nuclear Safety and Security

Files in This Item:
There are no files associated with this item.


Items in repository are protected by copyright, with all rights reserved, unless otherwise indicated.