Quantum confinement of excitons in wurtzite InP nanowires

被引：19
|
作者：
Pemasiri, K. [1 ]
Jackson, H. E. [1 ]
Smith, L. M. [1 ]
Wong, B. M. [2 ]
Paiman, S. [3 ]
Gao, Q. [3 ]
Tan, H. H. [3 ]
Jagadish, C. [3 ]
机构：
[1] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA
[2] Univ Calif Riverside, Dept Chem & Environm Engn & Mat Sci, Riverside, CA 92521 USA
[3] Australian Natl Univ, Res Sch Phys & Engn, Dept Elect Mat Engn, Canberra, ACT 0200, Australia
来源：
JOURNAL OF APPLIED PHYSICS | 2015年 / 117卷 / 19期
基金：
澳大利亚研究理事会; 美国国家科学基金会;
关键词：
ABSORPTION;
D O I：
10.1063/1.4921109
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Exciton resonances are observed in photocurrent spectra of 80 nm wurtzite InP nanowire devices at low temperatures, which correspond to transitions between the A, B, and C valence bands and the lower conduction band. Photocurrent spectra for 30 nm WZ nanowires exhibit shifts of the exciton resonances to higher energy, which are consistent with finite element calculations of wavefunctions of the confined electrons and holes for the various bands. (C) 2015 AIP Publishing LLC.
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页数：4
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