A unified model for determining fracture strain of metal films on flexible substrates

Xu-Ping Wu^a^,^b, Xue-Mei Luo^a^,^*(

), Hong-Lei Chen^a^,^b, Ji-Peng Zou^a^,^b, Guang-Ping Zhang^a^,^*(

)

Fig. 5.. Fracture strain and m value of Cu-5 at.% Al films and Ti films based on M model as a function of film thickness.