lithography I-VSpectroscopy CalciumHydroxyapatite UnivOfMaryland Graphene Wonseok Conductivity Bmp mechanical property Vanadate InorganicCompound Dr.JurekSadowski ThinFilm TappingMode PS_LDPE GalliumPhosphide Fe_film cannabis HDD Formamidinium_lead_iodide Materials Pvdf SRAM CP-AFM Alkane IVSpectroscopy ito_film Piranha Spincast self_healing PinPointMode Cobalt Lateral Nanofiber PolymerBlend