TransitionMetal ferromagnetic Ito PANI Steps Subhajjit small_scan food optoelectronics AIN Optoelectonics SFAs Insulator UnivCollegeLondon MonoLayer FM_SKPM ReflexLens Hole neodymium_magnets Fujian Barium_titanate UnivOfMaryland ScanningKelvinProbeMicroscopy Melt Sidewall BreastCancerCell Current margarine Composite InsulatorFilm Polypropylene LaAlO3 Cobalt-dopedIronOxide SiWafer DataStorage