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- Publisher Website: 10.1103/PhysRevB.94.024438
- Scopus: eid_2-s2.0-84982705320
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Article: μsR insight into the impurity problem in quantum kagome antiferromagnets
Title | μsR insight into the impurity problem in quantum kagome antiferromagnets |
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Authors | |
Issue Date | 2016 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ |
Citation | Physical Review B: covering condensed matter and materials physics, 2016, v. 94 n. 2, article no. 024438 How to Cite? |
Abstract | © 2016 American Physical Society. Impurities, which are unavoidable in real materials, may play an important role in the magnetism of frustrated spin systems with a spin-liquid ground state. We address the impurity issue in quantum kagome antiferromagnets by investigating ZnCu3(OH)6SO4 (Zn-brochantite) by means of muon spin spectroscopy. We show that muons dominantly couple to impurities, originating from Cu-Zn intersite disorder, and that the impurity spins are highly correlated with the kagome spins, allowing us to probe the host kagome physics via a Kondo-like effect. The low-temperature plateau in the impurity susceptibility suggests that the kagome spin-liquid ground state is gapless. The corresponding spin fluctuations exhibit an unconventional spectral density and a nontrivial field dependence. |
Persistent Identifier | http://hdl.handle.net/10722/254567 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 1.345 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Gomilšek, M. | - |
dc.contributor.author | Klanjšek, M. | - |
dc.contributor.author | Pregelj, M. | - |
dc.contributor.author | Luetkens, H. | - |
dc.contributor.author | Li, Y. | - |
dc.contributor.author | Zhang, Q. M. | - |
dc.contributor.author | Zorko, A. | - |
dc.date.accessioned | 2018-06-19T15:40:54Z | - |
dc.date.available | 2018-06-19T15:40:54Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Physical Review B: covering condensed matter and materials physics, 2016, v. 94 n. 2, article no. 024438 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.uri | http://hdl.handle.net/10722/254567 | - |
dc.description.abstract | © 2016 American Physical Society. Impurities, which are unavoidable in real materials, may play an important role in the magnetism of frustrated spin systems with a spin-liquid ground state. We address the impurity issue in quantum kagome antiferromagnets by investigating ZnCu3(OH)6SO4 (Zn-brochantite) by means of muon spin spectroscopy. We show that muons dominantly couple to impurities, originating from Cu-Zn intersite disorder, and that the impurity spins are highly correlated with the kagome spins, allowing us to probe the host kagome physics via a Kondo-like effect. The low-temperature plateau in the impurity susceptibility suggests that the kagome spin-liquid ground state is gapless. The corresponding spin fluctuations exhibit an unconventional spectral density and a nontrivial field dependence. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ | - |
dc.relation.ispartof | Physical Review B: covering condensed matter and materials physics | - |
dc.title | μsR insight into the impurity problem in quantum kagome antiferromagnets | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevB.94.024438 | - |
dc.identifier.scopus | eid_2-s2.0-84982705320 | - |
dc.identifier.volume | 94 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | article no. 024438 | - |
dc.identifier.epage | article no. 024438 | - |
dc.identifier.eissn | 2469-9969 | - |
dc.identifier.isi | WOS:000381481300003 | - |
dc.identifier.issnl | 2469-9950 | - |