H-BN UnivCollegeLondon SingleLayer hetero_structure AAO Butterfly light_emission Global_Comm amplitude_modulation Perovskite DomainSwitching Subhajjit Annealed Pvdf PtfeFilter Phase Mechinical MoirePattern SiliconCrystal Praseodymium SiliconOxide FM_SKPM Polyvinylidene_fluoride silicon_carbide MembraneFilter Change Treatment rubber ForceVolumeMapping Conducting Tungsten MfmPhase PolyimideFilm SKKU EFM