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Publication Detail
Magnetically ordered and kagome quantum spin liquid states in the Zn-doped claringbullite series
  • Publication Type:
    Journal article
  • Publication Sub Type:
  • Authors:
    Georgopoulou M, Fåk B, Boldrin D, Stewart JR, Ritter C, Suard E, Ollivier J, Wills A
  • Publisher:
    American Physical Society
  • Publication date:
  • Journal:
    Physical Review B: Condensed Matter and Materials Physics
  • Volume:
  • Issue:
  • Status:
  • Print ISSN:
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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