PiezoelectricForceMicroscopy HighAcpectRatio dielectric_trench Titanate WWafer NiFe EFMAmplitude FFM GlassTemperature Ananth Wildtype WPlug Imprint Cross-section Layer MLCC Sidewall ElectroDeposition Tungsten_disulfide Dental ferromagnetic PVA Moire LowDensityPolyethylene Reading frequency_modulation FM-KPFM phase_change SAM HexagonalBN Neodymium oxide_layer Chemical_Vapor_Deposition atomic_layer Nanofiber