ContactModeDot Ananth Permalloy molecular_beam Biology Stiffness Polyvinylidene Chemical_Vapor_Deposition Optoelectronic Tin disulfide MESA structure temperature controller AFM Temasek_Lab F14H20 ElectroChemical Spincast Battery mechanical property Collagen atomic_steps DiffractiveOpticalElements Conducting InsulatorFilm graphene_hybrid AdhesionForce ito_film MagneticPhase Potential electrospinning Ni81Fe19 MoirePattern medical LiquidCrystal Photovoltaics Ucl