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Effect of monovalent metal substitution on the magnetocaloric effect of perovskite manganites Pr0.5Sr0.3M0.2MnO3 (M=Na, Li, K and Ag)

โœ Scribed by Yang, Hangfu; Zhang, Pengyue; Wu, Qiong; Ge, Hongliang; Pan, Minxiang


Book ID
119299984
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
665 KB
Volume
324
Category
Article
ISSN
0304-8853

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Effect of Quenching on Magnetoresistance
โœ W. Boujelben; M. Ellouze; A. Cheikh-Rouhou; J. Pierre; J.C. Joubert ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 268 KB

We report on the magnetization, resistivity and magnetoresistance (MR) measurements on polycrystalline Pr 0.5 Sr 0.5 MnO 3 . Quenching samples from 14003C to room temperature in water (sample I) or in air (sample II) leads to di4erent behaviors. Powder X-ray di4raction patterns for samples I and II