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Phys. Rev. Lett. 62, 1384–1387 (1989)

[Issue 12 – 20 March 1989 ]

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Direct observation of polarization mixing in nuclear Bragg x-ray scattering of synchrotron radiation

D. P. Siddons, J. B. Hastings, G. Faigel, L. E. Berman, P. E. Haustein, and J. R. Grover

Brookhaven National Laboratory, Upton, New York 11973

The direct observation of polarization mixing in nuclear Bragg scattering of synchrotron radiation by alpha -⁵⁷Fe''₂O₃ is reported. Application of a magnetic bias field having the appropriate orientation was shown to produce almost complete rotation of the sigma -polarized incident beam to a pi -polarized diffracted beam. Rotation of this field about the diffraction vector through 90° caused the diffracted beam polarization to change continuously from sigma through elliptical to pi , as predicted theoretically.

©1989 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v62/p1384
DOI: 10.1103/PhysRevLett.62.1384
PACS: 76.80.+y, 24.70.+s, 29.75.+x

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