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Resonant Raman scattering from CdS nanowires

被引：46
作者：
Abdi, A [1 ]
Titova, LV
Smith, LM
Jackson, HE
Yarrison-Rice, JM
Lensch, JL
Lauhon, LJ
机构：
[1] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA
[2] Miami Univ, Dept Phys, Oxford, OH 45056 USA
[3] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 04期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1063/1.2168507
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Resonant Raman scattering (RRS) was used to probe the electronic states of CdS nanowires (similar to 10 nm diameter) grown by chemical vapor deposition. Individual Ar+ laser lines were used to vary the excitation energy while observing scattering from CdS phonons; strong 1-longitudinal optical (LO) and 2-LO Raman resonances were readily observed within the broader photoluminescence emission. The energy separation between the peaks of the 1-LO and 2-LO resonance was found to be 34 meV, in good agreement with bulk values. These results demonstrate that RRS is a powerful tool for probing the electronic and vibrational properties of semiconductor nanowires.
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页码：1 / 3
页数：3
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