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Title: Three first order magnetic phase transitions in re-entrant ferromagnet PrMn1.4Fe0.6Ge2.
Authors: Zeng, R
Wang, JL
Lu, L
Li, WX
Campbell, SJ
Dou, SX
Keywords: Magnetic Properties
Phase Transformations
Phase Diagrams
Rare Earth Compounds
Issue Date: 3-Sep-2010
Publisher: Elsevier
Citation: Zeng, R., Wang, J. L., Lu, L., Li, W. X., Campbell, S. J., & Dou, S. X. (2010). Three first order magnetic phase transitions in re-entrant ferromagnet PrMn1.4Fe0.6Ge2. Journal of Alloys and Compounds, 505(2), L38-L42.
Abstract: Three first order magnetic phase transitions (FOMTs) have been detected and evaluated over the temperature range from 5 to 340 K at fields up to 9 T in PrMn1.4Fe0.6Ge2. All three FOMTs, from (with decreasing temperature) an antiferromagnetic (AFl) to a c-axis canted ferromagnetic (Fmc) state, to a c-axis canted antiferromagnetic (AFmc) state, and then to an Fmc state plus an additional Pr-sublattice magnetic contribution (Fmc + F(Pr)), exhibited temperature and field-induced transition features. A interesting phenomenon was observed, in that magnetic field can induce an AFmc to Fmc + F(Pr) transition, and then diminish and finally eliminate the re-entrant magnetic transition behavior under high field as well. Based on systematic measurements and analysis, a magnetic phase diagram has been determined. © 2010, Elsevier Ltd.
ISSN: 0925-8388
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