Crystal Composition #Materials F14H20 EFM FailureAnlaysis BiVO4 MembraneFilter Vanadate CancerCell Solution Ram C36H74 YszSubstrate SThM Water MagneticForce University_of_Regensburg frequency_modulation ScanningSpreadingResistanceMicroscopy suspended_graphene Mechanical&nanotechnology CNT food lithography Blood Optoelectronic Sulfur Growth tip_bias_mode Co/Cr/Pt PFM Tapping Ito cross section