Composition Polyvinylidene_fluoride PS_PVAC non_contact graphene_hybrid vertical_PFM DeoxyribonucleicAcid Molybdenum_disulfide aluminum_nitride NiFe PolymerPatterns Ferroelectric Electrode Composite Co/Cr/Pt plastics frequency_modulation Worcester_Polytechnic_Institute MagneticPhase Mechanical&nanotechnology Neodymium BiasMode Piezoresponse Blend Lanthanum_aluminate small_scan Dimethicone hetero_structure Metal-organicComplex BiFeO3 PetruPoni AM-KPFM Array Metal FrictionForce