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Title: Structural and magnetic studies of A site doped LaRh1-xCuxO3(A=Ca2+, Sr2+, Pb2+ and Bi3+)
Authors: Awin, L
Kennedy, BJ
Avdeev, M
Keywords: COPPER
Issue Date: 1-Jan-2013
Publisher: Elsevier Science Ltd
Citation: Awin, L., Kennedy, B.J., & Avdeev, M. (2013). Structural and magnetic studies of a site doped larh1-xcuxo3(a = ca2+, sr2+, pb2+ and bi3+). Ceramics International, 39, S233-S237.
Abstract: A site doped Rh perovskites with general formula La0.75A0.25Rh0.7Cu0.3O3 and La0.75A0.25Rh0.5Cu0.5O3 (A=Ca2+, Sr2+, Pb2+and Bi3+) were synthesized by solid-state methods and their crystallographic, magnetic, and electric properties investigated. Doping by divalent cations resulted in much lower cell volumes and octahedral distortions than doping with a trivalent oxide. The Pb2+ and Bi3+ (6s2) doped oxides exhibited the lowest magnetic moments and the highest activation energies. Magnetization curves are indicative of antiferromagnetic behavior. The addition of Ca2+, Sr2+, Pb2+and Bi3+cations to the A-site decreases the conductivity.© 2013, Elsevier Ltd.
ISSN: 0272-8842
Appears in Collections:Journal Articles

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