NusEce Global_Comm BiVO4 oxide_layer Mechanical small_scan Christmas Permalloy molecular_beam norganic Tape Chemical_Vapor_Deposition PpLdpe biocompatible nanobar vertical_PFM block_copolymer Change tip_bias_mode Spain ScanningThermalMicroscopy SurfaceChange Austenite ElectroDeposition KPFM Electrode Sapphire Polypropylene PinpointPFM DomainSwitching HexagonalBN Organic ito_film GlassTemperature SiWafer