molecules GaAs Typhimurium Gallium CopperFoil Butterfly Fluoride SAM Memory MechanicalProperties nanobar silicon_oxide TriGlycineSulphate Conduct Ca10(PO4)6(OH)2 ScratchMode ContactModeDots self-assembled_monolayer Potential Protein Zhi MetalCompound solar_cell Scratch molecule small_scan FFM TemperatureControl Optoelectonics Fujian Ferroelectric Piezo suspended_graphene Filter temperature controller AFM