Mechanical, antibacterial, and biocompatibility mechanism of PVD grown silver–tantalum-oxide-based nanostructured thin film on stainless steel 316L for surgical applications by Alias, Rodianah, Mahmoodian, Reza, Genasan, Krishnamurithy, Vellasamy, Kumutha Malar, Abd Shukor, Mohd Hamdi, Kamarul, Tunku