Influence of the characteristics of the STM-tip on the electroluminescence spectra

被引：0
|
作者：
Croitoru, MD
Gladilin, VN
Fomin, VM
Devreese, JT
Kemerink, M
Koenraad, PM
Sauthoff, K
Wolter, JH
机构：
[1] Univ Antwerp, B-2610 Antwerp, Belgium
[2] Eindhoven Univ Technol, COBRA Inter Univ Res Inst, NL-5600 MB Eindhoven, Netherlands
[3] State Univ Moldova, Dept Theoret Phys, MD-2009 Kishinev, Moldova
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2005年 / 27卷 / 1-2期
关键词：
electroluminescence; STM; quantum dots;
D O I：
10.1016/j.physe.2004.10.002
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We analyze the influence of the characteristics of the STM-tip (applied voltage, tip radius) on the electroluminescence spectra from an STM-tip-induced quantum dot. We find that positions of electroluminescence peaks, attributed to the electron-hole recombination in the quantum dot, are very sensitive to the characteristics of the tip, namely increasing voltage on the STM-tip results in a red shift of the electroluminescence peaks, while the peak positions as a function of the tip radius reveal a non-monotonous behavior. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：13 / 20
页数：8
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