Polyvinylidene Friction Morphology VerticalPFM Anneal Growing BiFeO3 Insulator BaTiO3 Wang Modulus Edwin SmalScan Pinpoint CuParticle Blood C36H74 Magnetic Force Microscopy Molybdenum_disulfide Pyroelectric HfO2 Hexatriacontane OpticalWaveguide STO Step CrossSection Vac Chemical Vapor Deposition FrictionalForce block_copolymer Worcester_Polytechnic_Institute phase_change ContactMode Chromium Gold