Effects of an External Magnetic Field on the Interband and Intraband Optical Properties of an Asymmetric Biconvex Lens-Shaped Quantum Dot

被引：11
|
作者：
Mkrtchyan, Mher A. [1 ]
Hayrapetyan, David B. [1 ,2 ]
Kazaryan, Eduard M. [1 ,2 ]
Sarkisyan, Hayk A. [1 ,2 ]
Vinnichenko, Maxim Ya. [2 ]
Shalygin, Vadim A. [2 ]
Firsov, Dmitry A. [2 ]
Petrosyan, Lyudvig S. [3 ]
机构：
[1] Russian Armenian Univ, Gen Phys & Quantum Nanostruct, 123 Hovsep Emin Str, Yerevan 0051, Armenia
[2] Peter Great St Petersburg Polytech Univ, Inst Elect & Telecommun, Peter Great St, St Petersburg 195251, Russia
[3] Jackson State Univ, Dept Phys Atmospher Sci & Geosci, Jackson, MS 39217 USA
来源：
NANOMATERIALS | 2022年 / 12卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
lens-shaped quantum dot; interband absorption; photoluminescence; second harmonic generation; ABSORPTION; RECTIFICATION; ELECTRONS; EMISSION; HOLES; 2ND;
D O I：
10.3390/nano12010060
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The theoretical investigation of interband and intraband transitions in an asymmetric biconvex lens-shaped quantum dot are considered in the presence of an external magnetic field. The selection rules for intraband transitions are obtained. The behaviors of linear and nonlinear absorption and photoluminescence spectra are observed for different temperatures and magnetic field strengths. The second and third harmonic generation coefficients as a function of the photon energy are examined both in the absence and presence of an external magnetic field.
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收藏
页数：13
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