exfoliate dichalcogenide Oxide temp_control BTO PECurve HighAspect TipBiasMode ForceDistanceSpectroscopy Epoxy IcelandSpar TPU StyreneBeads VinylAlcohol AM_KPFM ShenYang Alkane IRDetector TappingMode GaN Stiffness Mfm StrontiumTitanate Nanofiber HanyangUniv molecule Wang LiIonBattery SAM CaMnO3 Au111 DomainSwitching fluoroalkane Boundary Organic