membrane H-BN DiffractiveOpticalElements Chloroform Pores MetalCompound Epoxy Wafer neodymium_magnets Sulfur LightEmiting YszSubstrate sputter Sphere PetruPoni PECurve ScanningKelvinProbeMicroscopy VerticalPFM gallium_nitride Phosphide Electrode Organic Nanostructure Ram SrO thermoplastic_elastomers Perovskite Pyroelectric MoirePattern Foil Aluminum #Materials SelfAssembly MagneticPhase Worcester_Polytechnic_Institute