Answers are grounded in this paper and cite their sources.
A combination of surface sensitive techniques was used to determine the surface structure and chemistry of La2−xSrxNiO4+δ. These measurements unequivocally showed that Ni is not present in the outermost atomic layer, suggesting that the accepted model with the B-site cations exposed to the environment is incorrect.
No takes yet. Share an insight, caveat, or question.
Burriel et al. (2013) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: