MetalCompound PolyimideFilm Spain Crystal heterojunctions Morphology Zagreb temperature_control HexacontaneFilm F14H20 TiO2 GranadaUniv Edwin non_contact Laser Granada Ecoli organic_polymer Strontium Galfenol P3HT CarbonNanotube ContactMode Polyvinylidene_fluoride AtomicLayer EFMAmplitude ElectrostaticForceMicroscopy PECurve CastIron CuParticle Polystyrene Conductivity LiftHeight PVAC IISCBangalore