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Proceedings Paper

Soft x-ray magnetic circular dichroism on a paramagnetic bioinorganic system
Author(s): J. van Elp; S. J. George; G. Peng; B. G. Searle; Z. H. Zhou; M. W.W. Adams; Chien T. Chen; Stephen P. Cramer
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Paper Abstract

In this paper we report soft X-ray Magnetic Circular Dichroism experiments on paramagnetic bioinorganic systems. We measured the Fe L-edges and the Co L-edges of the Co substituted form of Pyrococcus furiosus rubredoxin, using circularly polarized synchrotron radiation, a split coil superconducting magnet, low sample temperatures, and fluorescence detection. The observed dichroism effects are strong and they can be interpreted by established theoretical procedures. Soft X-ray Magnetic Circular Dichroism demonstrates enormous potential as a new probe for studying paramagnetic bioinorganic systems.

Paper Details

Date Published: 15 February 1994
PDF: 9 pages
Proc. SPIE 2010, X-Ray and Ultraviolet Polarimetry, (15 February 1994); doi: 10.1117/12.168579
Show Author Affiliations
J. van Elp, Univ. of California/Davis and Lawrence Berkeley Lab. (United States)
S. J. George, Univ. of California/Davis (United States)
G. Peng, Univ. of California/Davis (United States)
B. G. Searle, SERC Daresbury Lab. (United Kingdom)
Z. H. Zhou, Univ. of Georgia (United States)
M. W.W. Adams, Univ. of Georgia (United States)
Chien T. Chen, AT&T Bell Labs. (United States)
Stephen P. Cramer, Univ. of California/Davis and Lawrence Berkeley Lab. (United States)

Published in SPIE Proceedings Vol. 2010:
X-Ray and Ultraviolet Polarimetry
Silvano Fineschi, Editor(s)

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