PFM Collagen Calcite Tungsten_disulfide FrequencyModulation ito_film Filter Switching Tape Optical Nickel Ito HBN Sphere Polystyrene Polydimethylsiloxane hard_disk Cobalt CompactDisk Growing Corrosion CuFoil PVAP3HT Modulus Copper Polyvinylidene_fluoride suspended_graphene Polyaniline CrystalGrowing layers TCS NanoLithography AdhesionForce I-VSpectroscopy Vacuum