Dia- and paramagnetism and total susceptibility of GaAs quantum dots with Gaussian confinement

被引：54

作者：

Boyacioglu, Bahadir ^{[1
]}

Chatterjee, Ashok ^{[2
]}

机构：

[1] Ankara Univ, Vocat Sch Hlth, TR-06290 Ankara, Turkey

[2] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2012年 / 44卷 / 09期

关键词：

SCHRODINGER-EQUATION; MAGNETIZATION; ELECTRONS;

D O I：

10.1016/j.physe.2012.05.001

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The total magnetization and susceptibility arising from dia- and paramagnetic effects in a Gaussian quantum dot are calculated and their dependence on temperature (T) and magnetic field (B) are studied. The effect of spin on the magnetic susceptibility is also investigated. It is shown that at low temperature and low magnetic field the system in general shows paramagnetism and at high temperature and high magnetic field the diamagnetic state is found to be a preferred state. The paramagnetic-diamagnetic phase diagram is shown in the B-T plane. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1826 / 1831

页数：6

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