First-principles investigation of lead-free double perovskites Cs 2 NaGaX 6 (X = F, Cl, and Br) for optoelectronic applications

New Journal of Chemistry 2026

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Authors: Sudip Dey Dipta, Jahirul Islam, Soumaya Gouadria, Shahid Ahmad, Ali El-Said Hassan El-Rayyes, Md. Saiduzzaman
DOI: 10.1039/d5nj04533a
Cited by: 8
References: 84

Abstract

Phonon dispersion calculations show the absence of imaginary frequencies, confirming that all Cs 2 NaGaX 6 (X = F, Cl, and Br) compounds are dynamically stable.

Fields of Study & Subjects

Perovskite Materials and Applications Thermal Expansion and Ionic Conductivity Heusler alloys: electronic and magnetic properties

Publication details

Journal / source
New Journal of Chemistry
Publisher
Royal Society of Chemistry (RSC)
Volume
50
Issue
11
Pages
4910–4928
Publication date
1 January 2026
Language
EN