PetruPoni_Institute Mechinical Al2O3 PhaseChange SrTiO3 Step LiquidCrystal Polarization BaTiO3 self-assembly ferromagnetic graphene_hybrid F14H20 Protein Pipette EPFL Polypropylene Bmp pinpoint mode 2dMaterials Imprint Adhesion MESA structure Austenite Non-ContactMode Hexatriacontane STM HanyangUniv NTU SurfaceChange margarine SelfAssembly Crystal BTO heterojunctions