Galfenol Deposition Regensburg Aluminium_Oxide STM I-VSpectroscopy NUS_Physics FrictionalForce TemperatureControlledAFM NTU Anneal PtfeMembrane #EC Magnetic Force Microscopy fluorocarbon hard_disk_media FM-KPFM molecular_self_assembly MechanicalProperties VinylAlcohol Calcium Treatment self-assembled_monolayer BlockCopolymer Sadowski Polyimide optoelectronics Monisha PolyimideFilm conductive AM_SKPM Polymer Magnets OpticalModulator Dental