Magnetic impurity-related optical absorption coefficients in a semimagnetic double quantum well under magnetic field and temperature effects

被引:0
作者
Azmi, H. [1 ]
El-Bakkari, K. [1 ]
Fakkahi, A. [1 ]
Mazouz, A. [1 ]
Jaouane, M. [1 ]
Ed-Dahmouny, A. [2 ]
Arraoui, R. [1 ]
Jaafar, M. [1 ]
Sali, A. [1 ]
Amri, N. [1 ,3 ]
El Ghazi, H. [4 ]
机构
[1] Sidi Mohamed Ben Abdellah Univ, Fac Sci Dhar El Mahraz, Dept Phys, Lab Solid State Phys LPS, Fes, Morocco
[2] Sidi Mohamed Ben Abdellah Univ, Fac Sci & Technol, Lab Res Sci & Engn LaRSI, Fes, Morocco
[3] Sidi Mohamed Ben Abdellah Univ, Fac Sci Dhar El Mahraz, Lab Adv Mat & Applicat, Fes, Morocco
[4] Hassan II Univ, ENSAM Lab, SMPI Grp, Casablanca, Morocco
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2025年 / 131卷 / 06期
关键词
Optical absorption coefficients; Spin polaronic shift; Magnetic field; Temperature; Oscillator strength; Semimagnetic double quantum well; REFRACTIVE-INDEX CHANGES; BINDING-ENERGY; PRESSURE; DOT; DEPENDENCE; POLARON; GAAS; MASS; FEM;
D O I
10.1007/s00339-025-08551-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This research explores how temperature (T\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathrm{T}$$\end{document}) and magnetic field (gamma\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\upgamma$$\end{document}) influence the optical absorption coefficients (OACs) and oscillator strength (OSfi\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\mathrm{OS}}_{\mathrm{fi}}$$\end{document}) of a magnetic impurity (Mn2+\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\mathrm{Mn}}<^>{2+}$$\end{document}) embedded within a CdTe/Cd1-xMnxTe\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathrm{CdTe}/{\mathrm{Cd}}_{1-\mathrm{x}}{\mathrm{Mn}}_{\mathrm{x}}\mathrm{Te}$$\end{document} dilute magnetic double quantum well (DQW). The calculation is conducted using the variational approach within the framework of the effective mass approximation (EMA). Additionally, the analysis incorporates the spin polaronic shift (SP Shift), evaluating its impact on the magnetic impurity states (1s\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$1\mathrm{s}$$\end{document} and 2px\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${2\mathrm{p}}_{\mathrm{x}}$$\end{document}). The outcomes demonstrate that the OAC attaints its peak intensity when Mn2+\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\mathrm{Mn}}<^>{2+}$$\end{document} is situated at the center of the barrier compared to other positions. Moreover, variations in gamma\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\upgamma$$\end{document} and T\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathrm{T}$$\end{document} lead to a reduction in the OAC magnitude and cause a red shift in the peak position. Besides that, the aforementioned effects have on opposite impact on the spin orientations.
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