Conductance Fe_film Water Ferroelectric SPMLabs Yeditepe_University TemperatureControlledAFM KelvinProbeForceMicroscopy ElectrostaticForceMicroscopy Worcester_Polytechnic_Institute fluoroalkane AnodizedAluminumOxide PpLdpe lithography TungstenDeposition thermal_conductivity CuParticle Phase Polyaniline HfO2 ring shape Laser vertical_PFM Cross-section DOE mfm_amplitude cannabinoid hard_disk_media InorganicCompound HighAcpectRatio TransitionMetal Optical Biofilm BiFeO3 CalciumHydroxide