Please use this identifier to cite or link to this item: https://doi.org/10.1088/0957-4484/17/4/042
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dc.titleSize effect on the electron-phonon coupling in CuO nanocrystals
dc.contributor.authorFan, H.
dc.contributor.authorZou, B.
dc.contributor.authorLiu, Y.
dc.contributor.authorXie, S.
dc.date.accessioned2014-10-16T09:41:11Z
dc.date.available2014-10-16T09:41:11Z
dc.date.issued2006-02-28
dc.identifier.citationFan, H., Zou, B., Liu, Y., Xie, S. (2006-02-28). Size effect on the electron-phonon coupling in CuO nanocrystals. Nanotechnology 17 (4) : 1099-1103. ScholarBank@NUS Repository. https://doi.org/10.1088/0957-4484/17/4/042
dc.identifier.issn09574484
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/97945
dc.description.abstractCuO is the prototype compound of cuprate superconductors, so understanding its electronic structures will facilitate the study of the pairing mechanism and miscellaneous states of high-temperature superconductors. We prepared uniform CuO nanocrystals (7-100 nm) and studied their size-dependent Raman scattering spectra. The relative variation between the two-phonon scattering band (2B g) and the one-phonon band (Bg) indicates a decreasing electron-phonon coupling with reducing size, which unveils the dominant Fröhlich electron-phonon coupling, as indicated by Devreese, but not the small polaron in CuO. Moreover, the anomalous enhancement of the multi-phonon band at a critical size and 1D structure at room temperature is attributable to an enhanced electron-phonon coupling accompanied by phonon-plasmon coupling, i.e., the 'plasphon' proposed by Alexandrov et al in 1981. © 2006 IOP Publishing Ltd.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1088/0957-4484/17/4/042
dc.description.sourcetitleNanotechnology
dc.description.volume17
dc.description.issue4
dc.description.page1099-1103
dc.description.codenNNOTE
dc.identifier.isiut000235896600042
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