We have grown boron nitride with a monolayer thickness. XRD usually is used to understand the polymorphism of any material. However, due to the minimum thickness of the sample, it won't work for our investigation.
PL is another choice, and a few papers have also demonstrated near-band edge emission to explain polymorphism. However, our research is focused on sub-bandgap emissions.
Which experimental tool can help us to understand the polymorphism of BN?
Marco Girolami
Here STM is used on h-BN:
Li, J., Wang, L., Wang, Y. et al. Observation of the nonanalytic behavior of optical phonons in monolayer hexagonal boron nitride. Nat Commun 15, 1938 (2024). https://doi.org/10.1038/s41467-024-46229-4
Hope it is useful to you.
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