CuFoil PtfeMembrane MESA structure OpticalWaveguides Piezoresponse Workfunction LiNbO3 thermal_property Mechinical 2-vinylpyridine PANI TipBiasMode GaP KevlarFiber MultiferroicMaterials F14H20 Wonseok LDPE Defects Electrode Melt Composition temperature controller AFM Adhesion Piranha SPMLabs Heating PrCurve SICM atomic_layer AIN phase_change 2dMaterials C60H122 Techcomp