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Structural and magnetic study of self-doped La1-x-yCaxOyMnO3

Title
Structural and magnetic study of self-doped La1-x-yCaxOyMnO3
Type
Article in International Scientific Journal
Year
2004
Authors
Figueiras, F. G.
(Author)
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Araújo, João Pedro
(Author)
FCUP
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Amaral, V. S.
(Author)
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Tavares, Pedro B.
(Author)
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Sousa, João Bessa
(Author)
FCUP
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Vieira, Joaquim Manuel
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Journal
Vol. 272
Pages: 1753-1755
ISSN: 0304-8853
Publisher: Elsevier
Other information
Authenticus ID: P-000-AKV
Abstract (EN): A detailed study of the combined effect of divalent ion and A-site vacancy self-doping in ferromagnetic La(1-x-y)Ca(x)theta(y)MnO(3) manganite system is presented. It is found that the system can accommodate high vacancy content, with a strong lattice distortion for y > 0.12. Near the stoichiometric maximum T-c (x = 0.33, y = 0), vacancies do not degrade T-c and the magnetoresistance can even be enhanced.
Language: English
Type (Professor's evaluation): Scientific
Contact: vamaral@fis.ua.pt
No. of pages: 3
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