neodymium_magnets CP-AFM Austenite HexagonalBN AAO TappingMode Sapphire PMNPT Fet plastics SmallScan Piranha CrAu cannabidiol Polydimethylsiloxane Platinum Annealing OxideLayer SPMLabs nanobar silicon_carbide heterojunctions LightEmission Patterns Deposition NUS_NNI_Nanocore Perovskite Change FM-KPFM Polytetrafluoroethylene Optical MembraneFilter Boundary domain_switching TriGlycineSulphate