blended polymers nanomechanical PhaseTransition self-assembly Protein Au111 CarbonNanotube Layer ContactMode HACrystal WS2 Aggregated_molecules PMNPT Silicon non_contact DNA INSPParis CHRYSALIS_INC GaN C_AFM IndiumTinOxide tip_bias_mode Ram Anneal Cancer Tape Materials SurfaceOxidation fluorocarbon exfoliate CntFilm SThM PolyvinylAcetate HBN Neodymium