Polarization-dependent confocal Raman microscopy of an individual ZnO nanorod | Zendy

Chih-Tao Chien | Zendy; MingChung Wu | Zendy; ChunWei Chen | Zendy; Hung-Hsien Yang | Zendy; JihJen Wu | Zendy; WeiFang Su | Zendy; Chauo-Sung Lin | Zendy; YangFang Chen | Zendy

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Polarization-dependent confocal Raman microscopy of an individual ZnO nanorod

Author(s) -

Chih-Tao Chien,

MingChung Wu,

ChunWei Chen,

Hung-Hsien Yang,

JihJen Wu,

WeiFang Su,

Chauo-Sung Lin,

YangFang Chen

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2938701

Subject(s) - nanorod , raman spectroscopy , materials science , polarization (electrochemistry) , raman scattering , anisotropy , optics , confocal , microscopy , raman microscope , x ray raman scattering , phonon , scattering , perpendicular , optoelectronics , nanotechnology , condensed matter physics , chemistry , physics , geometry , mathematics

In this study, polarized-Raman scattering measurements of an individual ZnO nanorod were carried out by using a confocal microscope together with a high-resolution piezoelectric stage. A predominant A1 (TO) mode at 378cm−1 in the parallel polarization (E∥) configuration and a predominant E2 (high) mode at 438cm−1 in the perpendicular polarization (E⊥) configuration demonstrate the strong polarization dependent Raman scattering signals of an individual ZnO nanorod. The Raman intensity images of the individual ZnO nanorods with different orientation configurations can also be obtained, which reflect the interplay between the local phonon behavior and geometric anisotropy.

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