Glass MfmAmplitude mono_layer frequency_modulation ForceMapping Hafnia Zagreb CrAu WWafer StrontiuTitanate Vortex nanobar Wonseok strontiu_titanate Metal Permalloy organic_polymer tip_bias_mode Zhi Morphology Fe_film blended polymers pinpoint mode Optoelectonics MagneticPhase China single_layer Tin disulfide dielectric trench Techcomp GaAs NUSNNI Corrosion non_contact ContactModeDots