domain_switching Cobalt rubber LFM Modulus Phase Piezoresponse Roughness DIWafer Polystyrene Solution LithiumNiobate conductive Ferroelectric StainlessSteel temp_control silicon_oxide Hysteresys BTO Silver CBD mono_layer GlassTemperature sputter Multiferroic_materials Beads Monisha PatternedSapphireSubstrat NTU Nanostructure HumanHair Fluoride Hexatriacontane Implant pinpoint mode