CVD ForceDistanceSpectroscopy Ni81Fe19 hetero_structure BiVO4 ThermalProperties Collagen membrane Ca10(PO4)6(OH)2 gallium_nitride PtfeMembrane Neodymium Iron margarine HiVacuum Molybdenum_disulfide Array LFM molecular_beam UnivCollegeLondon Imprint Ptfe Bismuth Silicon PolyvinylideneFluoride MoirePattern light_emission Hysteresys LightEmiting Chromium Permalloy PhaseTransition ContactModeDot Formamidinium_lead_iodide CancerCell