MolecularSelfAssembly Worcester_Polytechnic_Institute OpticalElement FFM NiFe LFM Polymer Au111 Ucl temperature controller AFM Global_Comm Sadowski Change molecule AnodizedAluminumOxide Hexacontane SPMLabs HardDiskMedia Magnets gallium_nitride ForceDistanceSpectroscopy Sperm Vacuum mono_layer plastic Biology hetero_structure Indium_tin_oxide I-VSpectroscopy Piezoresponse India Edwin PinPointMode polyvinyl acetate BismuthFerrite