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Publication Detail
Magnetically ordered and kagome quantum spin liquid states in the Zn-doped claringbullite series
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Publication Type:Journal article
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Publication Sub Type:Article
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Authors:Georgopoulou M, Fåk B, Boldrin D, Stewart JR, Ritter C, Suard E, Ollivier J, Wills A
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Publisher:American Physical Society
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Publication date:17/01/2023
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Journal:Physical Review B: Condensed Matter and Materials Physics
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Volume:107
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Issue:2
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Status:Published
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Print ISSN:1098-0121
Abstract
Neutron scattering measurements have been performed on deuterated powder samples of claringbullite and Zndoped claringbullite [ZnxCu4−x (OD)6FCl]. At low temperatures, claringbullite Cu4(OD)6FCl forms a distorted
pyrochlore lattice with long-range magnetic order and spin-wave-like magnetic excitations. Partial Zn doping
leads to the nominal ZnCu3(OD)6FCl compound, a geometrically frustrated spin-1/2 kagome antiferromagnet
that shows no transition to magnetic order down to 1.5 K. The magnetic excitations form a gapless continuum, a
signature of fractional excitations in a quantum spin liquid.
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