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Structure/microstructure versus properties in strongly correlated electronic oxides: “Quenched disorder” and non-CMR oxides

✍ Scribed by Ph. Boullay; C. Grygiel; E.L. Rautama; M.P. Singh; A.K. Kundu


Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
856 KB
Volume
144
Category
Article
ISSN
0921-5107

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✦ Synopsis


Questions about the structure/microstructure versus properties relationships in strongly correlated electronic oxides will be illustrated by two examples. First the Mn/Ni ordering in the La 2 NiMnO 6 compounds prepared in the form of thin films and secondly the La/Ba ordering on bulk 112-type cobalt oxides LaBaCo 2 O 6 will be discussed in relation with their magnetic and electric properties. Using transmission electron microscopy as a main tool, several questions are addressed regarding the need but also the difficulty to establish the structure, microstructure and nanostructure at all relevant temperature as a prerequisite for further analysis of the physical properties in these compounds.