kelvin probe force microscopy Solar FuelCell Chemical_Vapor_Deposition Phosphide ScratchMode suspended_graphene molecular_self_assembly Permalloy Ananth Treatment MESA structure MoS2 GlassTemp Battery BiVO4 Gong HfO2 StrontiumTitanate mechanical_property Fe_film Hydroxyapatite GalliumPhosphide Blend Reduction Leakage block_copolymer BismuthFerrite Composition Imprint mono_layer Calcite Lattice CuParticle Hair