ImideMonomer Worcester_Polytechnic_Institute Mechanical&nanotechnology ThermalDetectors Steps Tin sulfide HanyangUniv Magnetic DLaTGS TyphimuriumBiofilm contact Au111 DataStorage LightEmission ScratchMode self_healing Phosphide ForceMapping CrossSection biocompatible CuParticle self-assembly Sapphire WPlug Iron PMNPT Calcium CaMnO3 India Force-distance Bacterium Fiber Conductive AFM light_emission Permalloy