Factors Affecting Terahertz Emission from InGaN Quantum Wells under Ultrafast Excitation

MF Saleem, GA Ashraf, MF Iqbal… - … Journal of Optics, 2023 - Wiley Online Library
InGaN quantum wells (QWs) grown on c‐plane sapphire substrate experience strain due to
the lattice mismatch. The strain generates a strong piezoelectric field in QWs that contributes …

Structural, optoelectronic, and thermodynamic properties of YAlN semiconducting alloys

L Ramirez-Montes, W Lopez-Perez… - Journal of materials …, 2016 - Springer
The structural, electronic, optical, and thermodynamic properties of Y _x x Al _ 1-x 1-x N
alloys were computed using first-principles calculations. The effects of exchange and …

Strain induced variations in band offsets and built-in electric fields in InGaN/GaN multiple quantum wells

L Dong, JV Mantese, V Avrutin, Ü Özgür… - Journal of Applied …, 2013 - pubs.aip.org
The band structure, quantum confinement of charge carriers, and their localization affect the
optoelectronic properties of compound semiconductor heterostructures and multiple …

Morphology and arrangement of InN nanocolumns deposited by radio-frequency sputtering: Effect of the buffer layer

L Monteagudo-Lerma, S Valdueza-Felip… - Journal of Crystal …, 2016 - Elsevier
We present the structural and optical properties of (0001)-oriented nanocolumnar films of
InN deposited on c-sapphire substrates by radio-frequency reactive sputtering. It is observed …

Photoluminescence and terahertz generation in InGaN/GaN multiple quantum well light‐emitting diode heterostructures under laser excitation

I Prudaev, S Sarkisov, O Tolbanov… - physica status solidi …, 2015 - Wiley Online Library
In this paper the results of experiments on terahertz generation from nitride light‐emitting
diode heterostructures under two‐photon excitation by femtosecond laser pulses are …

Size, Temperature, and Strain‐Rate Dependence on Tensile Mechanical Behaviors of Ni3Sn4 Intermetallic Compound Using Molecular Dynamics Simulation

HC Cheng, CF Yu, WH Chen - Journal of nanomaterials, 2014 - Wiley Online Library
This study focuses on exploring the mechanical properties and nonlinear stress‐strain
behaviors of monoclinic Ni3Sn4 single crystals under uniaxial tensile test and also their size …

[PDF][PDF] Composition Dependence of Electronic, Elastic, and Polarization Properties of Wurtzite InxGa1-xN and CdxZn1-xO Ternary Alloys

A BENBEDRA, S MESKINE, H ABBASSA… - 2021 - scholar.archive.org
We report the results of density functional theory calculations of several properties of wurtzite-
structured InGaN and CdZnO alloys. It is shown that the investigated properties, including …

[PDF][PDF] THEME

H LARBI - e-biblio.univ-mosta.dz
There are many fields using piezoelectric materials. It is therefore important to better
understand the properties of these materials. Our work falls within this axis where we make a …

First Principles Study of Band Offsets and Band Bending of InxGa1-xN/GaN and Zn1-xBexO/ZnO Heterostructures and Quantum Wells

L Dong - 2013 - digitalcommons.lib.uconn.edu
In x Ga 1-x N (InGaN) and Zn 1-x Be x O (ZnBeO) are compound semiconductor solid
solutions that display a wide band gap tuning range and strong spontaneous and …