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

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dc.contributor.authorPark, Kisooko
dc.contributor.authorOh, Joosungko
dc.contributor.authorLee, Ki Hoonko
dc.contributor.authorLeiner, Jonathan C.ko
dc.contributor.authorSim, Hasungko
dc.contributor.authorNahm, Ho-Hyunko
dc.contributor.authorKim, Taehunko
dc.contributor.authorJeong, Jaehongko
dc.contributor.authorIshikawa, Daisukeko
dc.contributor.authorBaron, Alfred Q. R.ko
dc.contributor.authorPark, Je-Geunko
dc.date.accessioned2020-08-20T08:55:19Z-
dc.date.available2020-08-20T08:55:19Z-
dc.date.created2020-08-11-
dc.date.created2020-08-11-
dc.date.created2020-08-11-
dc.date.issued2020-08-
dc.identifier.citationPHYSICAL REVIEW B, v.102, no.8-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10203/275896-
dc.description.abstractDespite 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.languageEnglish-
dc.publisherAMER PHYSICAL SOC-
dc.titleMagnetoelastic excitations in multiferroic hexagonal YMnO3 studied by inelastic x-ray scattering-
dc.typeArticle-
dc.identifier.wosid000555771800003-
dc.type.rimsART-
dc.citation.volume102-
dc.citation.issue8-
dc.citation.publicationnamePHYSICAL REVIEW B-
dc.identifier.doi10.1103/physrevb.102.085110-
dc.contributor.localauthorNahm, Ho-Hyun-
dc.contributor.nonIdAuthorPark, Kisoo-
dc.contributor.nonIdAuthorOh, Joosung-
dc.contributor.nonIdAuthorLee, Ki Hoon-
dc.contributor.nonIdAuthorLeiner, Jonathan C.-
dc.contributor.nonIdAuthorSim, Hasung-
dc.contributor.nonIdAuthorKim, Taehun-
dc.contributor.nonIdAuthorJeong, Jaehong-
dc.contributor.nonIdAuthorIshikawa, Daisuke-
dc.contributor.nonIdAuthorBaron, Alfred Q. R.-
dc.contributor.nonIdAuthorPark, Je-Geun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusINITIO MOLECULAR-DYNAMICS-
dc.subject.keywordPlusTOTAL-ENERGY CALCULATIONS-
dc.subject.keywordPlusMAGNON-
dc.subject.keywordPlusSPIN-
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