MLCC Bismuth thermoplastic_elastomers Iron China Permalloy ConductiveAFM FloppyDisk GranadaUniv NUSNNI polyvinyl acetate Praseodymium lift_mode Holes Lateral_Force_Microscopy bias_mode LithiumNiobate HardDiskMedia PS_PVAC OxideLayer ring shape AIN Nanopattern Piranha Magnetostrictive ElectroDeposition Yttria_stabilized_Zirconia PANI cooling TPU Thermoplastic_polyurethane Zagreb Pores Gallium_Arsenide FM-KPFM