GaP flakes Oxidation OrganicSemiconductor Gallium ito_film Ni81Fe19 lithography Lateral Pipette HumanHair mechanical property VortexCore Styrene Deposition Yttria_stabilized_Zirconia Foil Bmp Lateral_Force_Microscopy temperature controller AFM OpticalWaveguide Ram Mfm CrossSection Phosphide CopperFoil CBD UnivCollegeLondon SingleCrystal kelvin probe force microscopy TempControl epitaxy Multiferroic_materials layers Pyroelectric