Sio2 Singapore TungstenDeposition MetalCompound Hydroxyapatite molecule contact Phase Worcester_Polytechnic_Institute Dr.JurekSadowski Heating neodymium_magnets HydroGel optoelectronics Magnets ThermalProperties AAO InorganicCompound ThinFilm polymeric_arrays temperature controller AFM AIN dichalcogenide Copolymer norganic Vanadate Vortex Phenanthrene Litho Phthalocyanine MfmPhase Current Insulator AdhesionForce biocompatible