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DOI: 10.1039/A708687C (Paper) Reference Section for: J. Chem. Soc., Faraday Trans., 1998, 94, 933-936

Observation of absorbed NO in the gas–solid reaction process between NO and LaBaSrCu2O6-δ

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F. Munakata, M. Tanimura and Y. Akimune

Abstract

The absorption of NO onto LaBaSrCu2O6-δ is investigated by electron energy-loss spectroscopy and X-ray photoelectron spectroscopy. The results suggest that electron transfer from Cu–O planes to absorbed NO takes place and indicate the formation of chemisorbed states of NO- on the oxide surface. It is shown that the NO adsorption into the layered cuprate is related to the charge-transfer type electron structure of the cuprates. Also, it is considered that formation of the NO2- group corresponding to adsorbed NO- trapped by oxygen vacancies on the surface, and subsequent solution of N+ ions play an important role in the gas–solid reaction between NO and double-layer cuprates.

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