IcelandSpar HexagonalBoronNitride Chromium Bio Reduction exfoliate Hydroxyapatite FailureAnlaysis flakes temp_control CastIron CrystalGrowing P3HT AlkaneFilm ScratchMode Vinylpyridine Titanate Non-ContactMode CrAu Workfunction NUS Ito ito_film BariumTitanate HardDiskMedia PinpointPFM Insulator light_emitting fifber LateralForceMicroscopy Cobalt piezoelectric force microscopy Pzt ContactMode kelvin probe force microscopy