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Chirality, magnetic charge and other strange entities in resonant x-ray Bragg diffraction

DOI: 10.1088/0953-8984/21/47/474214 DOI Help
PMID: 21832493 PMID Help

Authors: Stephen Lovesey (Diamond Light Source) , Valerio Scagnoli (Paul Scherrer Institut)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Physics: Condensed Matter , VOL 21 (47)

State: Published (Approved)
Published: November 2009

Abstract: Subtleties in the electronic structure of complex materials can be directly observed, in great detail, by means of the Bragg diffraction of x-rays whose energy matches an atomic resonance. Strange atomic multipoles can be encountered in the interpretation of measured Bragg intensities, e.g., chirality and magnetic charge. Additionally, the x-ray technique allows the direct observation of the enantiomorphic screw-axis in chiral crystals, such as tellurium, low quartz and berlinite.

Subject Areas: Chemistry, Technique Development


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