Impact of stress on the optoelectronic properties of lead-free double perovskite Rb2TeCl6: A first-principles investigationMouad Ben-nana, Abderrahman Abbassi and Elhadadi BenachirEPJ Web Conf., 380 (2026) 02018DOI: https://doi.org/10.1051/epjconf/202638002018