MOVPE growth and characterization of GaAs/GaAsBi/GaAs pin structure

AB Abdelwahed, S Zouaghi, H Fitouri, A Rebey - Optical Materials, 2024 - Elsevier
In this work, we report on the epitaxial growth and characterization of the
GaAs/GaAsBi/GaAs pin structure. The samples were grown on a GaAs (001) substrate using …

High‐Field Electron‐Drift Velocity in n‐Type Modulation‐Doped GaAs0.96Bi0.04 Quantum Well Structure

M Aydın, S Mutlu, A Erol, J Puustinen… - physica status solidi …, 2022 - Wiley Online Library
The drift velocity (vdrift) of electrons in an n‐type modulation‐doped GaAs0. 96Bi0. 04/Al0.
15Ga0. 85As quantum well (QW) structure is determined for electric fields (F) ranging from≈ …

Electron energy relaxation mechanism in n-type InxGa1-xAs1-yBiy alloys under electric and magnetic fields

M Aydin, SN Yilmaz, A Erol, J Bork, J Zide… - Physica …, 2024 - iopscience.iop.org
We investigate the power loss per electron mechanism of hot electrons generated under
electric and magnetic fields in n-type In x Ga 1-x As 1-y Bi y epitaxial layers. Acoustic …

Determination of electronic band structure of quaternary ferromagnetic Ga0. 97-yMn0. 03CryAs epitaxial layers

O Donmez, M Gunes, M Henini, A Erol - Physica B: Condensed Matter, 2023 - Elsevier
Introducing transition metals to conventional III-V semiconductors anomalously changes
their fundamental characteristics, such as electronic, magnetic, and structural properties. In …

Effect of thermal annealing on the optical and structural properties of (311) B and (001) GaAsBi/GaAs single quantum wells grown by MBE

H Alghamdi, VO Gordo, M Schmidbauer… - Journal of Applied …, 2020 - pubs.aip.org
The effect of Furnace Annealing (FA) and Rapid Thermal annealing (RTA) on the structural
and optical properties of GaAs 1− x Bi x/GaAs single quantum wells grown on (001) and …

Power loss mechanisms in n-type modulation-doped AlGaAs/GaAsBi quantum well heterostructures

O Donmez, M Aydın, Ş Ardalı, S Yıldırım… - Semiconductor …, 2020 - iopscience.iop.org
We report on the power loss mechanisms of hot electrons in as-grown and annealed n-type
modulation-doped Al 0.15 Ga 0.85 As/GaAs 1-x Bi x (x= 0 and 0.04) quantum well structures …

The effect of strain and spatial Bi distribution on the band alignment of GaAsBi single quantum well structure

M Gunes, O Donmez, C Gumus, A Erol… - Physica B: Condensed …, 2021 - Elsevier
The band line-up and band offset calculations of GaAs 0.978 Bi 0.022/GaAs single quantum
well with spatial changes of Bi composition were reported. The spatial Bi profile and a …

Theoretical Study of Spontaneous Emission Spectra in GaAsBi/GaAs Quantum Wells

R Nie, DF Liu - Journal of Nanoelectronics and Optoelectronics, 2023 - ingentaconnect.com
GaAsBi/GaAs heterojunctions have a type II band arrangement, and the band structure
energy of GaAs alloys with diluted Bi content provides a wide range for designing effective …

Optical dielectric function and electronic band structure of dilute GaAsBi-GaAs multiquantum wells by using variable angle spectroscopic ellipsometry

MZ Manzoor, J Zide, Z Ahmad, HM Khan, SA Buzdar… - Optik, 2022 - Elsevier
Objectives This letter reports about the electronic band structure of dilute GaAsBi-GaAs
quantum wells (QWs) experimentally studied by variable angle spectroscopic ellipsometry …

[PDF][PDF] Optical characterization of Ga0. 965Mn0. 03Cr0. 005As thin film grown by molecular beam epitaxy

Ö Dönmez, M Güneş, A Erol… - … Adana Alparslan Türkeş …, 2021 - dergipark.org.tr
In this study, optical properties of Chrome (Cr) and Manganese (Mn) containing GaMnCrAs
epilayer are investigated using temperature dependent photoconductivity (PC) technique …