enhanced ferroelectricity and magnetoelectricity in 0.75batio3-0.25bafe12o19 by spark plasma sintering

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ID: 183856
2013
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Abstract
Spark Plasma Sintering (SPS) technique was employed to synthesize 0.75BaTiO3-0.25BaFe12O19 composite. X-ray diffraction studies revealed that the composite consisted of both BaTiO3 (ferroelectric phase) andBaFe12O19 (ferrimagnetic phase), respectively. The SPS treated sample showed improved ferroelectric nature when compared to conventional sintered (CS) sample. Transformation from hard to soft magnetic nature was envisaged by magnetization measurements for SPS sample. A slim hysteresis loop was recorded with a low coercivity values (390 Oe) when compared to CS sample (3900 Oe). Mossbauer spectroscopy analysis indicated that the existence of a partial amount of γ-Fe2O3 phase in the lattice, giving rise to soft magnetic nature. The SPS sample showed slightly higher value of magnetoelectric output of 2.95 mV/cm at 3 kOe magnetic field when compared to the CS sample (1.45 mV/cm at 3 kOe). The present investigation compares the spark plasma sintered sample with the conventional sintered sample.
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srinivas2013processingenhanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Adiraj Srinivas;Muthuvel Manivel Raja;Duraisamy Sivaprahasam;Padmanabam Saravanan
Journal preventive veterinary medicine
Year 2013
DOI
10.2298/PAC1301029S
URL
http://www.tf.uns.ac.rs/publikacije/PAC/pdf/PAC%2019%2005.pdf
Keywords
spark plasma sintering glass Ceramics

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