Observation of colossal terahertz magnetoresistance and magnetocapacitance in a perovskite manganite

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dc.citation.firstpage932
dc.citation.issueNumber7
dc.citation.journalTitleOptica
dc.citation.lastpage937
dc.citation.volumeNumber10
dc.contributor.authorTay, Fuyang
dc.contributor.authorChaudhary, Swati
dc.contributor.authorHe, Jiaming
dc.contributor.authorPeraca, Nicolas Marquez
dc.contributor.authorBaydin, Andrey
dc.contributor.authorFiete, Gregory A.
dc.contributor.authorZhou, Jianshi
dc.contributor.authorKono, Junichiro
dc.contributor.orgSmalley-Curl Institute
dc.date.accessioned2024-05-03T15:51:13Z
dc.date.available2024-05-03T15:51:13Z
dc.date.issued2023
dc.description.abstractTerahertz (THz) magnetoresistance effects have been extensively investigated and have shown promising results for applications in magnetic modulations of the amplitude of THz waves. However, THz magnetocapacitance in dielectric systems, which is essential for phase modulations of THz radiation, remains largely unexplored. Here, we study the THz response of a bulk single crystal of L a 0.875 S r 0.125 M n O 3 at around its Curie temperature, observing significant magnetic-field-induced changes in the THz resistance and capacitance extracted from the optical conductivity. We discuss possible mechanisms for the observed coexistence of colossal THz magnetoresistance and magnetocapacitance in a perovskite manganite that is not multiferroic. This work enhances our understanding of colossal magnetoresistance in a complex system with THz spectroscopy and demonstrates potential use of perovskite manganites in THz technology.
dc.identifier.citationTay, F., Chaudhary, S., He, J., Peraca, N. M., Baydin, A., Fiete, G. A., Zhou, J., & Kono, J. (2023). Observation of colossal terahertz magnetoresistance and magnetocapacitance in a perovskite manganite. Optica, 10(7), 932–937. https://doi.org/10.1364/OPTICA.491626
dc.identifier.digitaloptica-10-7-932
dc.identifier.doihttps://doi.org/10.1364/OPTICA.491626
dc.identifier.urihttps://hdl.handle.net/1911/115574
dc.language.isoeng
dc.publisherOptica Publishing Group
dc.rightsPublished under the terms of the Optica Open Access Publishing Agreement
dc.rights.urihttps://opg.optica.org/library/license_v2.cfm#VOR-OA
dc.titleObservation of colossal terahertz magnetoresistance and magnetocapacitance in a perovskite manganite
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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