Fig. 1: Fabrication of large-area multilayer h-BN on sapphire.
From: Vapor–liquid–solid growth of large-area multilayer hexagonal boron nitride on dielectric substrates
a Schematics of multilayer h-BN grown on sapphire with Fe82B18 alloy and nitrogen as reactants. b–d OM images of Fe–B alloy on sapphire before and after the growth process. e, f OM and SEM images of multilayer h-BN on sapphire. g Cross-sectional TEM image of multilayer h-BN on sapphire. h High-resolution TEM image corresponding to (g). The fast Fourier transform (FFT) pattern is displayed in the inset. i, j Typical Raman and XRD spectra of multilayer h-BN film on sapphire.
