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The Effect of Reducing Time on the Magnetoresistance of Manganite La0.67Sr0.20Cu0.10□0.03MnO3 at a Temperature of 30°C
Joint Authors
Zhao, Hongwei
Hu, Lichun
Zhang, Zhanxin
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-11-06
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
La0.67Sr0.20Cu0.10□0.03MnO3 (“□” representing cation vacancy) polycrystalline manganite powder was synthesized by sol-gel method, which we used as parent materials.
After reduced in hydrogen atmosphere for 30 and 60 minutes at a temperature of 400°C, the series bulk samples were obtained by sintering in argon atmosphere for 12 hours at 1100°C.
The structure, electrical and magnetic properties, and colossal magnetoresistance of samples were researched in detail.
Experiment results indicate that under an applied magnetic field of 1.8 T, the two bulk samples sintered in Ar atmosphere for 12 hours at 1100°C, with the powder reduced for 30 and 60 minutes in 400°C hydrogen atmosphere for La0.67Sr0.20Cu0.10□0.03MnO3 parent powders, respectively, have the stable MR (11.0 ± 0.3)% and (10.0 ± 0.5)% in temperature region from 270 K to 330 K.
this is important for the potential application of this kind of magnetoresistance materials.
American Psychological Association (APA)
Zhao, Hongwei& Hu, Lichun& Zhang, Zhanxin. 2012. The Effect of Reducing Time on the Magnetoresistance of Manganite La0.67Sr0.20Cu0.10□0.03MnO3 at a Temperature of 30°C. Journal of Nanomaterials،Vol. 2012, no. 2012, pp.1-5.
https://search.emarefa.net/detail/BIM-997681
Modern Language Association (MLA)
Zhao, Hongwei…[et al.]. The Effect of Reducing Time on the Magnetoresistance of Manganite La0.67Sr0.20Cu0.10□0.03MnO3 at a Temperature of 30°C. Journal of Nanomaterials No. 2012 (2012), pp.1-5.
https://search.emarefa.net/detail/BIM-997681
American Medical Association (AMA)
Zhao, Hongwei& Hu, Lichun& Zhang, Zhanxin. The Effect of Reducing Time on the Magnetoresistance of Manganite La0.67Sr0.20Cu0.10□0.03MnO3 at a Temperature of 30°C. Journal of Nanomaterials. 2012. Vol. 2012, no. 2012, pp.1-5.
https://search.emarefa.net/detail/BIM-997681
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-997681