Optical properties of ZnMn1.5Al0.5O4 spinel nanoparticles: direct band gap, low Urbach energy, and estimated nonlinear optical response
B. Abdellaoui, Mohamed Amghar, Mohsen Elain Hajlaoui, M. Bejar, B. F. O. Costa, E. Dhahri · 2026
Read Optical properties of ZnMn1.5Al0.5O4 spinel nanoparticles: direct band gap, low Urbach energy, and estimated nonlinear optical response by B. Abdellaoui, Mohamed Amghar, Mohsen Elain Hajlaoui, M. Bejar, B. F. O. Costa, E. Dhahri (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13531302.txt.
Description
Abdellaoui and co-authors probe the light behavior of a new spinel nanopowder. Their 2026 study builds a zinc manganese aluminum oxide by a sol-gel burn route and confirms a single-phase tetragonal spinel form. Light reads across ultraviolet, visible, and near-infrared bands mark it as a semiconductor with a direct band gap. A low disorder energy hints at a clean crystal.
The powder bends light strongly while drinking almost none, and its losses at high frequency run tiny. A classic oscillator model fits its spread of refractive power. Gauged nonlinear replies run strong, which the team reads as promise for optical and electronic gear.
Catalog record
| CREATOR | B. Abdellaoui, Mohamed Amghar, Mohsen Elain Hajlaoui, M. Bejar, B. F. O. Costa, E. Dhahri |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 59 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |