GaAs Multiferroic_materials Alkane Layer molecular_beam ULCA Polydimethylsiloxane MoirePattern atomic_layer Ptfe Al2O3 Collagen Polyurethane Permalloy AM-KPFM Yeditepe CarbonNanotube Ecoli VortexCore FastScan Nanostructure Adhesive thermoplastic_elastomers phase_change Calcite INSP polyvinyl acetate NiFe lift_mode Change HBN Celebration temp Bismuth Workfunction