pinpoint mode BismuthFerrite Growth biocompatible Sio2 dielectric_trench Hysteresys Adhesive HardDiskMedia Polystyrene SSRM Potential Lateral_Force_Microscopy tip_bias_mode PtfeFilter thermal_property Kevlar Biology block_copolymer KPFM heterojunctions MagneticForce PANI TemperatureControlledAFM Strontium Magnetic KelvinProbeForceMicroscopy CancerCell PetruPoni_Institute C60H122 EvatecAG Patterns Optoelectonics FrictionalForceMicroscopy MolecularSelfAssembly