A crystallographic study on the candidate quantum spin liquid ZnCu3(OD)6FCl
We propose to use neutron powder diffraction to study the crystal structure of the quantum (S=1/2) geometrically frustrated kagome material Zn-claringbullite, ZnCu_3(OD)_6FCl. This material is formed of a Cu^2+ kagome lattice and our room temperature structural refinements show it to crystallise in the P6_3/mmc space group, retaining the 3-fold symmetry of the kagome. We propose to use D2B to determine the Zn/Cu site occupancies, D atom site positions to characterise the Cu--OD--Cu magnetic superexchange pathways and identify any weak structural changes upon cooling.
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WILLS Andrew S.; BOLDRIN David; FAK Bjorn; GEORGOPOULOU Madeleine and SUARD Emmanuelle. (2020). A crystallographic study on the candidate quantum spin liquid ZnCu3(OD)6FCl. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-24-645
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