Galfenol Hair AM_SKPM SKKU hard_disk LiquidImaging Composition Ferrite Adhesive Solar VortexCore conductive Barium_titanate Boundary Ceramic FM-KPFM ContactMode FailureAnlaysis MechanicalProperties Ito Conducting IISCBangalore Fujian OpticalWaveguide CompactDisk atomic_steps optoelectronics Chungnam_National_University Jason PetruPoni FrictionalForceMicroscopy Iron GranadaUniv Granada Worcester_Polytechnic_Institute