Tin disulfide temperature controller AFM Singapore Phase Bacteria MagneticForce Conductive AFM Vac PS_PVAC Dimethicone HanyangUniv Memory EFMAmplitude Sulfur Liquid Tin sulfide ElectrostaticForceMicroscopy Hexatriacontane ElectroChemical SingleCrystal PtfeMembrane IndiumTinOxide atomic_steps SelfAssembly DiffractiveOpticalElements Polyethylene OpticalElement FrictionalForceMicroscopy PyroelectricDetector Ucl FM-KPFM Mfm Mechanical Trench MultiferroicMaterials