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Magnetoelastic excitations in multiferroic hexagonal YMnO3 studied by inelastic x-ray scattering

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dc.contributor.authorKisoo Park-
dc.contributor.authorJoosung Oh-
dc.contributor.authorKi Hoon Lee-
dc.contributor.authorJonathan C. Leiner-
dc.contributor.authorHasung Sim-
dc.contributor.authorHo-Hyun Nahm-
dc.contributor.authorTaehun Kim-
dc.contributor.authorJaehong Jeong-
dc.contributor.authorDaisuke Ishikawa-
dc.contributor.authorAlfred Q. R. Baron-
dc.contributor.authorJe-Geun Park-
dc.date.accessioned2020-12-22T02:48:38Z-
dc.date.accessioned2020-12-22T02:48:38Z-
dc.date.available2020-12-22T02:48:38Z-
dc.date.available2020-12-22T02:48:38Z-
dc.date.created2020-09-09-
dc.date.issued2020-08-
dc.identifier.issn2469-9950-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/7700-
dc.description.abstract© 2020 American Physical Society. Despite extensive studies, the exact mechanism of magnetoelastic coupling in hexagonal rare-earth manganite RMnO3 still remains under debate. Using inelastic x-ray scattering, we have measured the lattice vibrations of hexagonal manganite RMnO3 over a wide momentum-energy space to identify clear magnetoelastic excitations, which are the long-sought-after direct evidence of the dynamic magnon-phonon coupling. Our calculations using a magnetoelastic coupling model of superexchange striction quantitatively reproduces the experimental observations. Based on these results, we present a broadly applicable method to analyze the mode and momentum dependence of the magnon-phonon coupling for noncollinear magnets-
dc.description.uri1-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.subjectINITIO MOLECULAR-DYNAMICS-
dc.subjectTOTAL-ENERGY CALCULATIONS-
dc.subjectMAGNON-
dc.subjectSPIN-
dc.titleMagnetoelastic excitations in multiferroic hexagonal YMnO3 studied by inelastic x-ray scattering-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000555771800003-
dc.identifier.scopusid2-s2.0-85092165855-
dc.identifier.rimsid72953-
dc.contributor.affiliatedAuthorKisoo Park-
dc.contributor.affiliatedAuthorKi Hoon Lee-
dc.contributor.affiliatedAuthorTaehun Kim-
dc.contributor.affiliatedAuthorJaehong Jeong-
dc.contributor.affiliatedAuthorJe-Geun Park-
dc.identifier.doi10.1103/PhysRevB.102.085110-
dc.identifier.bibliographicCitationPHYSICAL REVIEW B, v.102, no.8, pp.085110-
dc.citation.titlePHYSICAL REVIEW B-
dc.citation.volume102-
dc.citation.number8-
dc.citation.startPage085110-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusINITIO MOLECULAR-DYNAMICS-
dc.subject.keywordPlusTOTAL-ENERGY CALCULATIONS-
dc.subject.keywordPlusMAGNON-
dc.subject.keywordPlusSPIN-
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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