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Synthesis and characterization of the reduced niobates CaLnNb2O7, Ln = La-Pr, Sm, Gd-Lu, with the pyrochlore-type structure
Moscow State University, Department of Chemistry.
Moscow State University, Department of Chemistry.
Moscow State University, Department of Chemistry.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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1998 (English)In: Materials research bulletin, ISSN 0025-5408, E-ISSN 1873-4227, Vol. 33, 1251-1256 p.Article in journal (Refereed) Published
Abstract [en]

New reduced niobates, CaLnNb2O7, Ln = La-Pr, Sm, Gd-Lu, with the pyrochlore-type structure were synthesized in sealed Nb ampoules at 1350–1500°C for 6–10 h. The prepared compounds were characterized by powder X-ray diffraction, energy dispersive X-ray analysis, and thermogravimetric analysis. The magnetic measurements showed that all of the samples except the La, Sm, and Lu compounds exhibited Curie-Weiss behavior. The compounds were found to be electrically insulating.

Place, publisher, year, edition, pages
1998. Vol. 33, 1251-1256 p.
Keyword [en]
inorganic compounds, chemical synthesis, X-ray diffraction, electrical properties; magnetic properties
National Category
Materials Chemistry
Research subject
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-43888DOI: 10.1016/S0025-5408(98)00104-4OAI: oai:DiVA.org:su-43888DiVA: diva2:371523
Available from: 2010-11-21 Created: 2010-10-29 Last updated: 2017-12-12Bibliographically approved

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