Diffusion mechanism and dependence of diffusion on sodium silicate compositionsNguyen Thi Thanh Ha, Nguyen Thi Trang, Hoang Viet Hung, Tran Thuy Duong and Pham Khac HungEur. Phys. J. B, 93 7 (2020) 141DOI: https://doi.org/10.1140/epjb/e2020-10116-4