PhthalocyaninePraseodymium semifluorinated alkane NCM Steps PhaseChange ContactMode phase_change CNT cross section TemperatureControllerAFM self_assembly Annealing optoelectronics Polypropylene Temasek_Lab fe_nd_b KelvinProbeForceMicroscopy GaAs Phosphide WPlug lithography cannabinoid DataStorage IRDetector VerticalPFM Workfunction molecules SicMosfet LateralForceMicroscopy Hydroxyapatite Nanopattern FM_KPFM Ucl PvdfFilm PrCurve