1Department of Materials and Ceramics Engineering and CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
2Departamento de Fisica, I3N, Universidade de Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal
Adv. Mater. Lett., 2013, Current Issue, 4 (5), pp 354-358
DOI: 10.5185/amlett.2012.9428
Publication Date (Web): Feb 23, 2013
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E-mail: radheshyamrai@ua.pt
AnchorStructural and Magnetic properties are investigated for the Sr doped YMnO3 samples with different composition synthesized by a solid state reaction method. Sr doped YMnO3 is the most distorted perovskite of the RMnO3 series (R=rare earths); the observed sinusoidal magnetic structure is in contrast with those exhibited by the less-distorted members, which are commensurate-type antiferromagnetic structures. A typical anti ferromagnetic (AFM) to paramagnetic (PM) phase transition is observed for the sample with concentration x = 0.12 and the Néel temperature (TN) is about 160 K. With decreasing temperature, the sample with x = 0.12 exhibit a magnetic transition from a paramagnetic (PM) to a ferromagnetic (FM) state.
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