CNT Bacterium Techcomp EvatecAG atomic_steps TyphimuriumBiofilm Co/Cr/Pt Ferroelectric frequency_modulation strontiu_titanate cannabidiol Yeditepe_University PVA Calcium Flake Change thermoplastic_elastomers CVD Tapping Corrosion blended polymers high_resolution tip_bias_mode LiIonBattery Copolymer hard_disk_media ULCA YszSubstrate ForceMapping Tape Piranha UnivCollegeLondon Praseodymium nanomechanical ShenYang