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Article: Giant magneto-optical Raman effect in a layered transition metal compound

TitleGiant magneto-optical Raman effect in a layered transition metal compound
Authors
KeywordsPhonon
Magneto-optical
Layered
Broken symmetry
Raman
Issue Date2016
Citation
Proceedings of the National Academy of Sciences of the United States of America, 2016, v. 113, n. 9, p. 2349-2353 How to Cite?
Abstract© 2016, National Academy of Sciences. All rights reserved. We report a dramatic change in the intensity of a Raman mode with applied magnetic field, displaying a gigantic magnetooptical effect. Using the nonmagnetic layered material MoS 2 as a prototype system, we demonstrate that the application of a magnetic field perpendicular to the layers produces a dramatic change in intensity for the out-of-plane vibrations of S atoms, but no change for the in-plane breathing mode. The distinct intensity variation between these two modes results from the effect of field-induced broken symmetry on Raman scattering cross-section. A quantitative analysis on the field-dependent integrated Raman intensity provides a unique method to precisely determine optical mobility. Our analysis is symmetry-based and material-independent, and thus the observations should be general and inspire a new branch of inelastic light scattering and magneto-optical applications.
Persistent Identifierhttp://hdl.handle.net/10722/254559
ISSN
2015 Impact Factor: 9.423
2015 SCImago Journal Rankings: 6.883

 

DC FieldValueLanguage
dc.contributor.authorJi, Jianting-
dc.contributor.authorZhang, Anmin-
dc.contributor.authorFan, Jiahe-
dc.contributor.authorLi, Yuesheng-
dc.contributor.authorWang, Xiaoqun-
dc.contributor.authorZhang, Jiandi-
dc.contributor.authorPlummer, E. W.-
dc.contributor.authorZhang, Qingming-
dc.date.accessioned2018-06-19T15:40:53Z-
dc.date.available2018-06-19T15:40:53Z-
dc.date.issued2016-
dc.identifier.citationProceedings of the National Academy of Sciences of the United States of America, 2016, v. 113, n. 9, p. 2349-2353-
dc.identifier.issn0027-8424-
dc.identifier.urihttp://hdl.handle.net/10722/254559-
dc.description.abstract© 2016, National Academy of Sciences. All rights reserved. We report a dramatic change in the intensity of a Raman mode with applied magnetic field, displaying a gigantic magnetooptical effect. Using the nonmagnetic layered material MoS 2 as a prototype system, we demonstrate that the application of a magnetic field perpendicular to the layers produces a dramatic change in intensity for the out-of-plane vibrations of S atoms, but no change for the in-plane breathing mode. The distinct intensity variation between these two modes results from the effect of field-induced broken symmetry on Raman scattering cross-section. A quantitative analysis on the field-dependent integrated Raman intensity provides a unique method to precisely determine optical mobility. Our analysis is symmetry-based and material-independent, and thus the observations should be general and inspire a new branch of inelastic light scattering and magneto-optical applications.-
dc.languageeng-
dc.relation.ispartofProceedings of the National Academy of Sciences of the United States of America-
dc.subjectPhonon-
dc.subjectMagneto-optical-
dc.subjectLayered-
dc.subjectBroken symmetry-
dc.subjectRaman-
dc.titleGiant magneto-optical Raman effect in a layered transition metal compound-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1073/pnas.1601010113-
dc.identifier.scopuseid_2-s2.0-84959440311-
dc.identifier.volume113-
dc.identifier.issue9-
dc.identifier.spage2349-
dc.identifier.epage2353-
dc.identifier.eissn1091-6490-

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