EvatecAG SmalScan ferromagnetic Insulator HighAcpectRatio IcelandSpar Ni-FeAlloy LateralForce Christmas PolyStylene Aggregated_molecules Vortex cross section Pyroelectric small_scan Defects Beads CuSubstrate KelvinProbeForceMicroscopy Leakage PhaseTransition norganic Friction PyroelectricDetector ScanningTunnelingMicroscopy HighResolution China PpLdpe Piezoelectric BoronNitride Sapphire light_emission NanoLithography UTEM OrganicSemiconductor