LithiumNiobate 3-hexylthiophene IRDetector AEAPDES HexagonalBN ShenYang Sadowski molecular_self_assembly Ucl CrAu Adhesion Tungsten HexacontaneFilm PhaseChange Vacuum Iron Workfunction GlassTemp fluoroaalkane DomainSwitching ConductiveAFM chemical_compound Semiconductor STO AlkaneFilm vertical_PFM PS_LDPE Phthalocyanine high_resolution ElectrostaticForceMicroscopy biocompatible kelvin probe force microscopy PhthalocyaninePraseodymium Hysteresys TipBiasMode