Hysteresys Potential GranadaUniv molecular_beam MolecularSelfAssembly align block_copolymer PMNPT bias_mode Ananth Composite aluminum_nitride PiezoelectricForceMicroscopy Dopped Scanning_Thermal_Microscopy Lateral_Force_Microscopy Deposition layers WWafer Sphere I-VSpectroscopy PatternedSapphireSubstrat TungstenDeposition MechanicalProperty 2d_materials CompactDisk AM-KPFM FM_KPFM ContactModeDots Heat ScanningThermalMicroscopy Kevlar TemperatureControllerAFM Morphology Alkane