YszSubstrate Graphene KevlarFiber Formamidinium_lead_iodide Mobile NUSNNI epitaxy Treatment AIN GaAs University_of_Regensburg Layer molecule Austenite IVSpectroscopy Molybdenum_disulfide Iron FailureAnlaysis I-VSpectroscopy Etch FastScan PetruPoni Ni81Fe19 AEAPDES Implant AM_KPFM SelfAssembly tip_bias_mode Butterfly small_scan rubber SFAs Wafer Hexylthiophene PpLdpe