Correlated electronic and magnetic peculiarities of La2NiO4+delta: Charge and spin ordering

Authors
Odier, P Poirot, N Simon, P Meneses, DD
Citation
P. Odier et al., Correlated electronic and magnetic peculiarities of La2NiO4+delta: Charge and spin ordering, EPJ-APPL PH, 5(2), 1999, pp. 123-126
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS
ISSN journal
12860042 → ACNP
Volume
5
Issue
2
Year of publication
1999
Pages
123 - 126
Database
ISI
SICI code
1286-0042(199902)5:2<123:CEAMPO>2.0.ZU;2-O
Abstract
Electronic and magnetic peculiarities of La2NiO4+delta are discussed emphas izing charge and spin ordering phenomena. Macroscopic measurements of condu ctivity (dc, optical) and magnetic susceptibility on samples of well-known oxygen stoichiometries agree to show anomalies where this peculiar ordering is expected. Our data account for the heterogeneous nature of the magnetis m. The susceptibility which is quasi temperature independent ill a large T range is modeled by a system of spins cluster.