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Sodium hydride as a powerful reducing agent for topotactic oxide deintercalation: Synthesis and characterization of the nickel(I) oxide LaNiO2

Abstract:

The capability of sodium hydride as a reducing agent in oxide deintercalation reactions is explored. The Ni(III) perovskite LaNiO3 can be reduced topotactically to LaNiO2, isostructural with the 'infinite layer' cuprates, using solid sodium hydride in a sealed evacuated tube at 190 ≤ T/°C ≤ 210, and a similar infinite-layer phase is prepared by reduction of NdNiO3. Structural characterization indicates the coexistence of incompletely reduced regions, with five-coordinate Ni centers due to the...

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Publication status:
Published

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Publisher copy:
10.1021/ja991573i

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Rosseinsky, MJ More by this author
Journal:
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume:
121
Issue:
38
Pages:
8843-8854
Publication date:
1999-09-29
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:bc65c098-a819-464b-a4f9-5f5565ea2d93
Source identifiers:
37235
Local pid:
pubs:37235
Language:
English

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