STO Hafnium_dioxide CrossSection molecular_beam PVAP3HT ForceDistanceSpectroscopy mechanical property Roughness P3HT Lattice electrospinning TPU Domain University_of_Regensburg Silver CompactDisk Fiber VinylAlcohol YttriaStabilizedZirconia contact Nanostructure Display India Conductive AFM Hexacontane PolycrystallineFerroelectricBCZT KPFM GalliumPhosphide mfm_amplitude FastScan Magnetostrictive self_assembly Austenite TCS China