GaN PDMS Dopped ContactModeDot block_copolymer SrO Hafnium_dioxide Biology Global_Comm Adhesive Strontium Hysteresys Graphene Filter Defects Christmas SrTiO3 rubber LFM HardDisk MultiferroicMaterials Pinpoint PFM DeoxyribonucleicAcid GaAs Magnets Self-assembledMonolayer FrictionalForceMicroscopy Regensburg TemperatureControl molecular_beam PS_PVAC Workfunction PS_LDPE single_layer MBE