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Oxygen Vacancies in Pyrochlore Oxides: Powder Neutron Diffraction Study of Pb2Ir2O6.5and Bi2Ir2O7−y

✍ Scribed by Brendan J. Kennedy


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
299 KB
Volume
123
Category
Article
ISSN
0022-4596

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Neutron powder diffraction has been carried out on two series of Li-Mn-O samples with spinel structure, which have been shown to lose oxygen with respect to initial stoichiometric spinels: (i) Li 1.05 Mn 2 O 4 quenched from 800 or 925°°C, (ii) ''Li 1.33 Mn 1.67 O '' (nominal) treated with ammonia ga