Lattice vibration, optical, and mechanical properties of aluminum phosphide (AlP) compound under the influence of temperature

We have studied the lattice vibrations, optical and mechanical characteristics of the zinc-blende aluminum phosphide (AlP) compound. Investigations have been done into the effect of temperature on refractive index, optical dielectric constant, static dielectric constant, longitudinal and transversal...

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Bibliographic Details
Published in:Optoelectronics letters 2023-08, Vol.19 (8), p.472-475
Main Author: Al Maaitah, Ibtisam F.
Format: Article
Language:English
Subjects:
Acoustic velocity
Aluminum
Empirical analysis
Energy gap
Infrared detectors
Lasers
Lattice vibration
Light emitting diodes
Mathematical analysis
Mechanical properties
Microhardness
New technology
Optical Devices
Optical properties
Optics
Optoelectronic devices
Permittivity
Phosphides
Photonics
Physical properties
Physics
Physics and Astronomy
Refractivity
Semiconductor materials
Temperature effects
Zincblende
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Summary:We have studied the lattice vibrations, optical and mechanical characteristics of the zinc-blende aluminum phosphide (AlP) compound. Investigations have been done into the effect of temperature on refractive index, optical dielectric constant, static dielectric constant, longitudinal and transversal sound velocities, reflectivity, susceptibility, phonon frequencies, micro-hardness, ionicity, and transverse effective charge. AlP is a wide-indirect band gap semiconductor and has a wide range of uses in high-performance optoelectronic devices, such as the manufacturing of infrared photo-detectors and light-emitting diodes. It's important to know the physical properties of semiconductor materials, like the AlP compound, to develop new technologies and devices. The calculations were carried out using the empirical pseudo-potential method (EPM). Comparative analysis with the existing experiment and other theoretical calculations reveals a satisfactory level of agreement.
ISSN:1673-1905
1993-5013
DOI:10.1007/s11801-023-3004-2