Gallium YszSubstrate PDMS layers AAO Fendb Tin disulfide FrequencyModulation Reading Beads ShenYang BloodCell cannabis Optical FrictionalForceMicroscopy TemperatureControllerStage AnodizedAluminumOxide LiquidCrystal Hexatriacontane MultiLayerCeramicCapacitor Pyroelectric fluorocarbon nanomechanical NusEce Temasek_Lab lithography Friction solar_cell BTO DeoxyribonucleicAcid OrganicSemiconductor Stiffness IVSpectroscopy Boundary CalciumHydroxyapatite