tip_bias_mode Insulator Ferroelectric Foil Nanopattern MfmAmplitude Piezoelectric Gallium_Arsenide Genetic BoronNitride H-BN 2-vinylpyridine TungstenDeposition light_emission Film Silicon Ca10(PO4)6(OH)2 Polypropylene Singapore LDPE Zagreb PolycrystallineFerroelectricBCZT LithiumNiobate DomainSwitching mechanical property Nickel PatternedSapphireSubstrat frequency_modulation pinpoint mode Sidewall TemperatureControl Pinpoint PFM Stiffness NCM Hafnia