γ-ray irradiation effect on the electrical transport properties of Cu filmsZhaoguo Li, Dawei Yan, Zhiqiang Zhan, Jiangshan Luo, Zhiqing Wu, Fan Lei, Yudan He, Lei Jin, Bo Yang and Qiubo FuEur. Phys. J. B, 98 7 (2025) 140DOI: https://doi.org/10.1140/epjb/s10051-025-00966-7