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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
materials science
Effect of strontium deficiency on the transport and magnetic properties of Pr
0.7
Sr
0.3
MnO
3
Journal of Magnetism and Magnetic Materials, Volume 233, No. 3, Year 2001
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Description
Ceramic samples of Pr0.7Sr0.3-x□xMnO3 with x ≤ 0.2 have been investigated by various techniques including 55Mn nuclear magnetic resonance, SQUID magnetometry, resistivity and magnetoresistance measurements. On increasing x, the samples remain ferromagnetic at a low temperature with a decreasing Curie temperature, but a metal-insulator transition is observed. Besides, a positive magnetoresistance (MR) at very low temperatures with respect to a negative colossal MR at high temperatures is observed in the Pr0.7Sr0.2□0.1MnO3 sample. © 2001 Elsevier Science B.V. All rights reserved.
Authors & Co-Authors
Abou-Ras, Daniel
France, Paris
Laboratoire de Biologie du Développement
Boujelben, Wahiba
France, Grenoble
Institut Néel
Cheikh-Rouhou, Abdelwaheb
France, Grenoble
Institut Néel
Pierre, Jacques
Tunisia, Sfax
Faculté Des Sciences de Sfax
Renard, Jean Pierre
France, Paris
Laboratoire de Biologie du Développement
Reversat, Luc
France, Paris
Laboratoire de Biologie du Développement
Shimizu, Kenji
Japan, Toyama
University of Toyama
Statistics
Citations: 39
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1016/S0304-8853(01)00273-6
ISSN:
03048853
Research Areas
Cancer