Tuning of the band gap and suppression of metallic phase by ca doping in La1 − xCaxMnO3 manganite nano-particles
Liaqat Ali, Wiqar Hussain Shah, Shayan Khan, Akhtar Ali, Mahmoud M Hessien, Zeinhom M El-Bahy · 2025
Read Tuning of the band gap and suppression of metallic phase by ca doping in La1 − xCaxMnO3 manganite nano-particles by Liaqat Ali, Wiqar Hussain Shah, Shayan Khan, Akhtar Ali, Mahmoud M Hessien, Zeinhom M El-Bahy (2025) 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-12715205.txt.
Description
Ali and five colleagues tune a manganite material by adding calcium in twenty twenty-five. Lanthanum calcium manganite nanoparticles are used in energy conversion devices. Changing the calcium share may adjust their optical and electrical behaviour. The team made samples with three calcium levels.
All samples shared the same crystal structure, with grains tens of nanometres wide. Microscopy showed clumped spherical particles of similar size. Chemical checks confirmed the intended ingredients. The optical band gap shrank as calcium rose, from three point nine five to three point seven four electron volts. Dielectric loss fell as frequency and calcium increased. Electrical conductivity also grew with calcium content. The authors link the changes to refractive index shifts.
Catalog record
| CREATOR | Liaqat Ali, Wiqar Hussain Shah, Shayan Khan, Akhtar Ali, Mahmoud M Hessien, Zeinhom M El-Bahy |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 37 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |