Morphology Silicon conductive TempControl Microchannel Optical FFM nanomechanical Cobalt-dopedIronOxide NiFe Wonseok Photovoltaics GlassTemp Mapping LiNbO3 thermal_property StrontiumTitanate Magnetic Gold Jason lithography Pinpoint PFM temperature controller AFM Hafnium_dioxide Non-ContactMode dielectric_trench multi_layer SiWafer Cobalt Co/Cr/Pt Praseodymium HACrystal cross section Led ring shape