Surface morphology and wettability for thin films of beta-iron disilicide produced through direct-current sputtering utilizing a pair of facing targetsPeerasil Charoenyuenyao, Nathaporn Promros, Rawiwan Chaleawpong and Tsuyoshi YoshitakeMATEC Web Conf., 192 (2018) 01054DOI: https://doi.org/10.1051/matecconf/201819201054