Interfacial dynamics and surface mechanical properties of soft materials

Surface and interfacial dynamics and surface mechanical properties are important for both fundamental and practical aspects. In this paper, our recent researches on 1) surface molecular motion and frictional properties of organosilane monolayer immobilized on Si-substrate, 2) characterization of mechanical and thermal properties buried interface in multiphase polymer thin films by scanning force microscopy, 3) wettability, friction, and adhesion of polymer brushes, and 4) application of X-ray photon correlation spectroscopy for soft materials are summarized.