Etch Copolymer silicon_oxide Reading Phase YszSubstrate Ca10(PO4)6(OH)2 DiffractiveOpticalElements Permalloy NiFe ForceVolume Ecoli Adhesion PUR SurfaceChange Graphite FrictionForce PtfeMembrane LifeScience Hydroxyapatite Pipette SAM contact mono_layer pulsed_laser_deposition Flake Inorganic_Compound block_copolymer HOPG HexagonalBN MembraneFilter SPMLabs heterojunctions Steps OxideLayer