請用此 Handle URI 來引用此文件: http://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/42302
標題: Synthesis and Characterization of Core-Shell GaP@GaN and GaN@GaP Nanowires
作者: 國立臺灣師範大學化學系
H.-M. Lin
Y.-L. Chen
J. Yang
Y.-C. Liu
K.-M. Yin
J.-J. Kai
F.-R. Chen
L.-C. Chen
Y.-F. Chen
Chia-Chun Chen
公開日期: 9-四月-2003
出版社: American Chemical Society
摘要: A convenient thermal CVD route to core−shell GaP@GaN and GaN@GaP nanowires is developed. The structural analyses indicate that the nanowires exhibit a two-layer and wirelike structure. High-resolution transmission electron microscopy (HRTEM) images reveal misfit dislocation loops at the interface of the nanowires. Unusual temperature dependences of the photoluminescence (PL) intensity of GaP@GaN nanowires are observed, and they are interpreted by the piezoelectric effect induced from lattice mismatch between two semiconductor layers. In the Raman spectra of GaN@GaP nanowires, an unexpected peak at 386 cm-1 is found and assigned to a surface phonon mode.
URI: http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/42302
ISSN: 1530-6984
其他識別: ntnulib_tp_C0301_01_018
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