Topography epitaxy Cell dichalcogenide domain_switching MolybdenumDisulfide #Materials HACrystal H-BN AIN Bacterium flakes Monisha SiliconCrystal non_contact FailureAnalysis Ucl PhaseImaging mechanical_property MechanicalProperties BiFeO3 Pinpoint Protein PMNPT Transparent Insulator Nanofiber SFAs Conductive AFM Nanostructure NUS_Physics Resistance DomainSwitching heterojunctions Stiffness