doped PVAC Iron Conductivity #Materials FrequencyModulation KAIST Sulfur 2-vinylpyridine cannabis HardDisk HACrystal FrictionalForceMicroscopy Conductance HiVacuum UnivMaryland Non-ContactMode LightEmission Gallium Fendb C36H74 #EC BiasMode CuFoil NCM\ Zagreb Water Nickel STM Boundary Blood MfmAmplitude Deposition NeodymiumMagnets MagneticArray