StainlessSteel YszSubstrate Metal IRDetector University_of_Regensburg self-assembly SRAM FM_KPFM BiFeO3 Vanadate block_copolymer Graphene cross section HDD CVD mechanical_property BoronNitride ConductingPolymer Modulus DOE phase_change SolarCell Gallium ScanningThermalMicroscopy GlassTemp Tin sulfide CeramicCapacitor LFM frequency_modulation Edwin Oxide Hydroxyapatite gallium_nitride HOPG TCS