2dMaterials HACrystal Fluoride LifeScience MoirePattern Mechanical Butterfly flakes Polyurethane StainlessSteel Modulus light_emitting PyroelectricDetector self_assembly Varistor Chemical_Vapor_Deposition Gallium_Arsenide ForceMapping SKPM Temperature Al2O3 DeflectionOptics fe_nd_b TriGlycineSulphate MfmAmplitude Current DIWafer Cross-section MolybdenumDisulfide Conductive AFM Holes GalliumPhosphide AM-KPFM NUS DOE