GaP University_of_Regensburg Friction Growing exfoliate ULCA Foil PetruPoni Hafnium_dioxide self-assembly MoirePattern TPU Electronics PolyStylene Led C36H74 FAPbI3 bias_mode Tin disulfide DNA Gong Chromium UnivMaryland Sio2 Copper Ucl Platinum FM-KPFM Multiferroic_materials Domain GranadaUniv Polyethylene ForceDistanceSpectroscopy Chloroform Ram