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DOI http://dx.doi.org/10.1006/jssc.1995.1202
Title The structure and magnetic properties of La{sub 2}MIrO{sub 6} with M= Mg, Co, Ni, and Zn
Creator/Author Currie, R.C. ; Vente, J.F. ; Ijdo, D.J.W. [Leiden Univ (Netherlands)] ; Frikkee, E. [Netherlands Energy Research Foundation ECN, Petten (Netherlands)]
Publication Date1995 Apr 01
OSTI IdentifierOSTI ID: 70196
Other Number(s)JSSCBI; ISSN 0022-4596
Resource TypeJournal Article
Resource RelationJournal of Solid State Chemistry ; VOL. 116 ; ISSUE: 1 ; PBD: Apr 1995
Subject36 MATERIALS SCIENCE ; LANTHANUM OXIDES; CRYSTAL STRUCTURE; MAGNETIC SUSCEPTIBILITY; MAGNESIUM OXIDES; COBALT OXIDES; NICKEL OXIDES; ZINC OXIDES; IRIDIUM OXIDES; MONOCLINIC LATTICES; X-RAY DIFFRACTION
Description/Abstract The structure of the compounds La{sub 2}MIrO{sub 6} is a monoclinic deformation of the perovskite-like GdFeO{sub 3}-type (space group P2{sub 1}/n) with complete ordering between iridium and M for M= Mg, Co, Ni, and Zn. These compounds are isomorphous with La{sub 2}NiRuO{sub 6}. The unit cell dimensions compare to those of the cubic perovskite as a{sub m}{approx} b{sub m}{approx} a{sub c}{radical}2, c{sub m}{approx} 2a{sub c},{beta}{approx} 90{degrees}. The structure has been determined by Rietveld refinement on X-ray and neutron powder diffraction data. The magnetic susceptibility measurements show magnetic ordering for the compounds with M= Co and Ni at 130 and 110 K respectively.
Country of PublicationUnited States
LanguageEnglish
Formatpp. 199-204 ; PL:
System Entry Date2001 May 03

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