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Article: Detection of multipolar orders in the spin-orbit-coupled 5d Mott insulator Ba2 MgRe O6
Title | Detection of multipolar orders in the spin-orbit-coupled 5d Mott insulator Ba2 MgRe O6 |
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Authors | |
Keywords | Condensed Matter Physics Magnetism Strongly Correlated Materials |
Issue Date | 2020 |
Publisher | American Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/ |
Citation | Physical Review Research, 2020, v. 2 n. 2, p. 022063(R):1-022063(R):6 How to Cite? |
Abstract | Synchrotron x-ray-diffraction measurements on single crystals of the double perovskite Ba2MgReO6 with
5d1 electronic configurations reveal the successive phase transitions from a disordered state to a quadrupolar order at Tq = 33 K, and then, to a dipolar ordered state at Tm = 18 K. The magnetic reflections observed below Tm are indexed to a propagation vector with k = [0 0 1], indicating a canted antiferromagnetic order. The very small deformation of ReO6 octahedra observed below Tq demonstrates that the quadrupolar order is composed of antiferroically arranged Qx2–y2 and ferroically arranged Q3z2–r2 moments. These observations are consistent with the mean-field theory for spin-orbit-entangled electrons. Our findings are a significant step towards understanding the intriguing physics of multipoles realized by spin-orbit-entangled 5d electrons. |
Persistent Identifier | http://hdl.handle.net/10722/287294 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 1.689 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Hirai, D | - |
dc.contributor.author | Sagayama, H | - |
dc.contributor.author | Gao, S | - |
dc.contributor.author | Ohsumi, H | - |
dc.contributor.author | Chen, G | - |
dc.contributor.author | Arima, TH | - |
dc.contributor.author | Hiroi, Z | - |
dc.date.accessioned | 2020-09-22T02:58:48Z | - |
dc.date.available | 2020-09-22T02:58:48Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Physical Review Research, 2020, v. 2 n. 2, p. 022063(R):1-022063(R):6 | - |
dc.identifier.issn | 2643-1564 | - |
dc.identifier.uri | http://hdl.handle.net/10722/287294 | - |
dc.description.abstract | Synchrotron x-ray-diffraction measurements on single crystals of the double perovskite Ba2MgReO6 with 5d1 electronic configurations reveal the successive phase transitions from a disordered state to a quadrupolar order at Tq = 33 K, and then, to a dipolar ordered state at Tm = 18 K. The magnetic reflections observed below Tm are indexed to a propagation vector with k = [0 0 1], indicating a canted antiferromagnetic order. The very small deformation of ReO6 octahedra observed below Tq demonstrates that the quadrupolar order is composed of antiferroically arranged Qx2–y2 and ferroically arranged Q3z2–r2 moments. These observations are consistent with the mean-field theory for spin-orbit-entangled electrons. Our findings are a significant step towards understanding the intriguing physics of multipoles realized by spin-orbit-entangled 5d electrons. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/ | - |
dc.relation.ispartof | Physical Review Research | - |
dc.rights | Copyright [2020] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevResearch.2.022063]. | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Condensed Matter Physics | - |
dc.subject | Magnetism | - |
dc.subject | Strongly Correlated Materials | - |
dc.title | Detection of multipolar orders in the spin-orbit-coupled 5d Mott insulator Ba2 MgRe O6 | - |
dc.type | Article | - |
dc.identifier.email | Chen, G: gangchen@hku.hk | - |
dc.identifier.authority | Chen, G=rp02491 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevResearch.2.022063 | - |
dc.identifier.scopus | eid_2-s2.0-85092222512 | - |
dc.identifier.hkuros | 314472 | - |
dc.identifier.volume | 2 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 022063(R):1 | - |
dc.identifier.epage | 022063(R):6 | - |
dc.identifier.isi | WOS:000603630600004 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 2643-1564 | - |