EvatecAG ito_film Tungsten_disulfide NCM Terrace fe_nd_b HfO2 ContactModeDot Worcester_Polytechnic_Institute Permalloy Annealed SRAM Mosfet Sapphire CntFilm TiO2 TipBiasMode SingleCrystal FailureAnlaysis Pvdf Tapping SiliconeOxide Dr.JurekSadowski VerticalPFM FAFailureAnlaysis Vacuum Chloroform Perovskite hetero_structure Hair UnivMaryland Ferroelectric Galfenol contact Spain