Boron LogAmplifier F14H20 alkanes HanyangUniv Memory PtfeFilter CalciumHydroxyapatite DentalProsthesis Floppy AdhesionEnergy MfmAmplitude FrictionalForce MembraneFilter dielectric trench ring shape SSRM OpticalModulator exfoliate Strontium pinpoint mode STM Butterfly Polystyrene PolymerPatterns Topography Microchannel SPMLabs Potential medical LFM H-BN BlockCopolymer Lanthanum_aluminate gallium_nitride