Why Ni is absent from the surface of La2NiO4+delta?

Ji Wu, Stevin S. Pramana, Stephen J. Skinner, John A. Kilner, Andrew P. Horsfield

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


The calculated Gibbs reaction energy of La2NiO4 decomposition (left) and the proposed resulting layered structure (right) provide an explanation for the experimentally observed Ni-absent surfaces and Ni-enriched subsurface layers on La2NiO4.
Original languageEnglish (US)
Pages (from-to)23760-23767
Number of pages8
Issue number47
StatePublished - 2015
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2021-10-08
Acknowledgements: The authors would like to thank the King Abdullah University of Science and Technology (KAUST) for funding this work through
a KAUST-Imperial College Academic Excellence Alliance award. This work made use of the high performance computing facilities of Imperial College London and – via our membership of the UK's HEC Materials Chemistry Consortium, which is funded by EPSRC (EP/L000202) – of the ARCHER UK National Supercomputing Service.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.


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