Georgopoulou, M., Fak, B., Boldrin, D. , Stewart, J.R., Ritter, C., Suard, E., Ollivier, J. and Wills, A.S. (2023) Magnetically ordered and kagome quantum spin liquid states in the Zn-doped claringbullite series. Physical Review B, 107(2), 024416. (doi: 10.1103/PhysRevB.107.024416)
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Abstract
Neutron scattering measurements have been performed on deuterated powder samples of claringbullite and Zn-doped claringbullite [Zn x Cu 4 − x ( OD ) 6 FCl ]. At low temperatures, claringbullite Cu 4 ( OD ) 6 FCl forms a distorted pyrochlore lattice with long-range magnetic order and spin-wave-like magnetic excitations. Partial Zn doping leads to the nominal ZnCu 3 ( OD ) 6 FCl 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.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Boldrin, Dr David |
| Authors: | Georgopoulou, M., Fak, B., Boldrin, D., Stewart, J.R., Ritter, C., Suard, E., Ollivier, J., and Wills, A.S. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review B |
| Publisher: | American Physical Society |
| ISSN: | 1098-0121 |
| ISSN (Online): | 1550-235X |
| Published Online: | 17 January 2023 |
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