Optical FM_SKPM FAPbI3 multi_layer Iron Boron PolymerPatterns Defect atomic_layer Chungnam_National_University Platinum Hysteresys Potential Piranha plastics SurfaceChange Scratch MagneticForce fluoroalkane Floppy PVA Singapore InorganicCompound FailureAnalysis TyphimuriumBiofilm TemperatureControllerStage 2d_materials Calcite MBE Ceramic Mfm Mechanical epitaxy MultiferroicMaterials NUS_NNI_Nanocore