表面有杂质的球形GaAs/AlxGa1-xAs量子点的电子能谱

IF 0.9 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Condensed Matter Physics Pub Date : 2023-05-25 DOI:10.5488/CMP.26.23704
R. Leshko, I. V. Bilynskyi, O. V. Leshko, V. B. Hols'kyi
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引用次数: 0

摘要

提出了球面量子点表面有几个给体杂质的模型。研究了电子能谱与量子点半径和杂质数的关系。考虑了杂质在量子点表面位置的几种情况。应用平面波函数法计算了电子能谱。分析了不同杂质数量情况下电子能级的分裂。结果表明,电子能量分裂与表面杂质的数量和位置有关。也定义了电子结合能。
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Electron energy spectrum of the spherical GaAs/AlxGa1-xAs quantum dot with several impurities on the surface
The model of a spherical quantum dot with several donor impurities on its surface is suggested. The electron energy spectra are studied as a function of the quantum dot radius and the number of impurities. Several cases of the location of impurities on the quantum dot surface are considered. The plane wave functions method has been applied to calculate the electron energy spectrum. The splitting of electron energy levels is analyzed in the cases of different number of impurities. It is shown that the electron energy splitting depends on both the number of impurities on the surface and on their location. The electron binding energy is defined too.
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来源期刊
Condensed Matter Physics
Condensed Matter Physics 物理-物理:凝聚态物理
CiteScore
1.10
自引率
16.70%
发文量
17
审稿时长
1 months
期刊介绍: Condensed Matter Physics contains original and review articles in the field of statistical mechanics and thermodynamics of equilibrium and nonequilibrium processes, relativistic mechanics of interacting particle systems.The main attention is paid to physics of solid, liquid and amorphous systems, phase equilibria and phase transitions, thermal, structural, electric, magnetic and optical properties of condensed matter. Condensed Matter Physics is published quarterly.
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