UnivMaryland CrystalGrowing NUS Filter kelvin probe force microscopy Roughness SSRM nanobar dielectric_trench Chemical_Vapor_Deposition Cell PpLdpe tip_bias_mode SThM ThermalDetectors epitaxy LFM Dental BismuthVanadate Annealing Litho PolyimideFilm PhaseTransition INSP biocompatible Thermal ImideMonomer align Array MonoLayer 2-vinylpyridine electrospinning Indent Polyimide thermal_property