Abstract
The chemical shielding (CS) tensors of 15N, 27Al and 11B nuclei are calculated for the first time. The calculations were done on zigzag single-walled models of aluminum nitride–boron nitride (AlN–BN) and boron nitride–aluminum nitride (BN–AlN) nanotube (NT) junctions using B3LYP method and Gaussian 03 program. The computed CS tensors are converted to isotropic (ICS) and anisotropic chemical shielding (ACS). Our calculations show that there are significant changes in the NMR values for the N atoms as compared to such values for the Al and B atoms within AlN–BN and BN–AlN nanotubes.
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