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Chirality, birefringence, and polarization effects in alpha-quartz studied by resonant elastic x-ray scattering

DOI: 10.1103/PhysRevB.89.224108 DOI Help

Authors: Yves Joly (Univ. Grenoble Alpes, Inst NEEL; CNRS) , Yoshikazu Tanaka (RIKEN SPring-8 Center) , Delphine Cabaret (Sorbonne Universités, UPMC Univ Paris 06, UMR 7590, IMPMC-Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie; CNRS, UMR 7590, IMPMC; Muséum National d'Histoire Naturelle; Institut de Recherche pour le développement, UMR 206, IMPMC) , Stephen P. Collins (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physical Review B , VOL 89 (22)

State: Published (Approved)
Published: June 2014

Abstract: We show that enantiomers are extremely sensitive to the quality of the light polarization in resonant elastic x-ray scattering experiments. In alpha- -quartz, the (001) reflection shows a very strong sensitivity to a small fraction of linear component included in nominally circularly polarized light. This fraction induces an important phase difference between the angular dependence of the recorded intensity from each enantiomer. We are thus able to model all aspects of the resonant scattering and determine the dominant physics, extract the crystal chirality, and obtain very precise values for the Stokes polarization parameters. Effects of birefringence and of higher-order electric transitions are also quantified and it is shown that in comparison they are negligible.

Subject Areas: Physics


Technical Areas: Theoretical Physics

Added On: 03/11/2014 17:30

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Physics Theoretical Physics

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