Nanopattern IMT_Bucharest hard_disk Transparent Ca10(PO4)6(OH)2 ScanningTunnelingMicroscopy LFM Mfm Vac Sapphire PhaseChange TungstenThinFilmDeposition CuSubstrate CarbonNanotube domain_switching HydroGel Defect HighResolution Trench Aluminium_Oxide CuFoil align StainlessSteel HDD Pyroelectric Croatia kelvin probe force microscopy Annealed PyroelectricDetector Hole Layer SrO molecular_beam Fet Morphology