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Study Of Strontium Doping On The Structural And Magnetic Properties Of YMnO3 ceramics

Radheshyam Rai, Indrani Coondoo, M. A.Valente and Andrei L. Kholkin

Volume 4, Issue 5, Page 354-358 | DOI: 10.5185/amlett.2012.9428

Keywords: Sr doping; magnetic properties; YMnO3; microstructure.

Abstract: 

Structural 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. Copyright © 2013 VBRI press.

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