self-assembly I-VSpectroscopy fifber Vinylpyridine Ni81Fe19 ChemicalCompound 3-hexylthiophene Microchannel Pvdf KPFM Gong Bio Barium_titanate SRAM Scratch CuSubstrate Biofilm Chemical_Vapor_Deposition optoelectronics BiasMode PyroelectricDetector NCM BFO molecular_beam dielectric trench TemperatureControl VinylAlcohol Granada Chrome biocompatible Photovoltaics CaMnO3 IRDetector SmallScan Fet