align mfm_amplitude LateralPFM MBE CeramicCapacitor Photovoltaics Tungsten Co/Cr/Pt Pzt Switching SolarCell LithiumNiobate Display Ucl Mfm FFM molecular_beam Mechanical Deposition Mechanical&nanotechnology Varistor GalliumPhosphide BaTiO3 domain_switching CrossSection IIT-chennai block_copolymer Fe_film food Chromium Trench Cell Friction PVAC FM_SKPM