FrictionalForce Sadowski Gold Treatment Adhesion PetruPoni C_AFM aluminum_nitride HiVacuum ForceVolume PUR MechanicalProperty molecules optoelectronics FrictionalForceMicroscopy BlockCopolymer Liquid SrO Mechinical Typhimurium LiftMode Pattern Switching Pinpoint Hydroxyapatite Neodymium PDMS Thermoplastic_polyurethane SurfaceOxidation phase_change MBE Hexatriacontane lithography conductive AdhesionEnergy