Self-powered UV photodetector based on type-II Be0.06Zn0.94O0.77S0.23/Ga2O3 heterojunction with dual built-in electric fields synergyKe Tang, Teng Zhang, Yongdan Zhu and Jinqiao YiEur. Phys. J. Spec. Top., (2026) 1-12DOI: https://doi.org/10.1140/epjs/s11734-026-02264-4