Absence of Ni on the outer surface of Sr doped La2NiO 4 single crystals

Mónica Burriel; Stuart Wilkins; John P. Hill; Miguel A. Muñoz-Márquez; Hidde H. Brongersma; John A. Kilner; Mary P. Ryan; Stephen J. Skinner

doi:10.1039/c3ee41622d

Absence of Ni on the outer surface of Sr doped La₂NiO ₄ single crystals

Mónica Burriel, Stuart Wilkins, John P. Hill, Miguel A. Muñoz-Márquez, Hidde H. Brongersma, John A. Kilner, Mary P. Ryan, Stephen J. Skinner

Elementary Processes in Gas Discharges

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

A combination of surface sensitive techniques was used to determine the surface structure and chemistry of La_2-xSr_xNiO _4+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.

Original language	English
Pages (from-to)	311-316
Number of pages	6
Journal	Energy & Environmental Science
Volume	7
Issue number	1
DOIs	https://doi.org/10.1039/c3ee41622d
Publication status	Published - 1 Jan 2014

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abstract = "A combination of surface sensitive techniques was used to determine the surface structure and chemistry of La2-xSrxNiO 4+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.",

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AU - Muñoz-Márquez, Miguel A.

AU - Brongersma, Hidde H.

AU - Kilner, John A.

AU - Ryan, Mary P.

AU - Skinner, Stephen J.

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AB - A combination of surface sensitive techniques was used to determine the surface structure and chemistry of La2-xSrxNiO 4+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.

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Absence of Ni on the outer surface of Sr doped La₂NiO ₄ single crystals

Abstract

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