epitaxy self_healing PANI Varistor Typhimurium TiO2 Copolymer VerticalPFM semifluorinated alkane Conduct Hexylthiophene MagneticArray alkanes AAO Potential OpticalElement fifber C_AFM StrontiuTitanate Tin sulfide amplitude_modulation PUR MolybdenumDisulfide Gold Ferroelectric Silicon Chemical Vapor Deposition Polypropylene silicon_carbide LateralPFM Electrode InorganicCompound Reduction ForceVolume PhaseChange