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APS » Journals » Phys. Rev. Lett. » Volume 68 » Issue 12
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Phys. Rev. Lett. 68, 1943–1946 (1992)

X-ray circular dichroism as a probe of orbital magnetization

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B. T. Thole, P. Carra, F. Sette, and G. van der Laan
Department of Chemical Physics, Materials Science Centre, University of Groningen, Nijenborgh 16, 9747 AG Groningen, The Netherlands
European Synchrotron Radiation Facility, Boîte Postale 220, F-38043 Grenoble CEDEX, France
Daresbury Laboratory, Science and Engineering Research Council, Warrington WA4 4AD, United Kingdom

Received 2 December 1991; published in the issue dated 23 March 1992

A new magneto-optical sum rule is derived for circular magnetic dichroism in the x-ray region (CMXD). The integral of the CMXD signal over a given edge allows one to determine the ground-state expectation value of the orbital angular momentum. Applications are discussed to transition-metal and rare-earth magnetic systems.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.68.1943
DOI:
10.1103/PhysRevLett.68.1943
PACS:
78.70.Dm, 78.20.Ls
 
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