MechanicalProperties 2dMaterials UnivCollegeLondon graphene_hybrid Stiffness GaN CancerCell Gong Alkane HACrystal MagneticForce NUS_Physics MoS2 Magnets TiO2 IVSpectroscopy PhthalocyaninePraseodymium Vinylpyridine cannabis BismuthFerrite NusEce HexagonalBoronNitride NUSNNI LiIonBattery Ananth Lattice SurfaceOxidation Insulator Tin sulfide Steps atomic_layer lift_mode heterojunctions alkanes Water