Multiferroic Properties Of 0.05 NZF - 0.95 Ba0.9-3x/2Sr0.1LaxTiO3 Magnetoelectric Composites

Renu Rani1, 4, J. K. Juneja2, Sangeeta Singh3, K. K. Raina4 and Chandra Prakash5*

1Electroceramics Research Lab, GVM Girls College, Sonepat 131001, India

2Department of Physics, Hindu College, Sonepat 131001, India

3Department of Physics, GVM Girls College, Sonepat 131001, India

4School of Physics & Materials Science, Thapar University, Patiala 147004, India

5Solid State Physics Laboratory, Timarpur, Delhi 110 054, India

Adv. Mater. Lett., 2014, 5 (4), pp 229-233

DOI: 10.5185/amlett.2013.fdm.63

Publication Date (Web): Feb 16, 2014

E-mail: cprakash2014@gmail.com

Abstract


For the present work, the magnetoelectric (ME) composites with composition 0.05 Ni0.8Zn0.2Fe2O4 - 0.95 Ba0.9-3x/2Sr0.1LaxTiO3(NZF-BSLT) with x = 0, 0.01and 0.02 were synthesized by conventional solid state reaction route. The existence of both phases was confirmed by the X-Ray diffraction (XRD) technique. The dielectric properties such as dielectric constant and dielectric loss were measured as a function of temperature at different frequencies. P-E hysteresis loops and M-H hysteresis loops confirm the ferroelectric and ferromagnetic nature of the composite samples.La substitution in ferroelectric phase results in significant improvement in properties of composite samples. The investigated composites seem to be very attractive for multiple state memory devices where data can be stored both as polarization (P) and magnetization (M). 

Keywords

Magnetoelectric composites, ferroelectric, ferromagnetic, dielectric properties

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