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Structural and magnetic properties of pulsed laser deposited (x)CoFe2O4 + (1-x)Ba0.8Sr0.2TiO3 nanocomposite thin films

C. M. KANAMADI1, H. K. YANG1, B. K. MOON1, B. C. CHOI1, J. H. JEONG1,* , KWANG HO KIM2

Affiliation

  1. Department of Physics, Pukyong National University, Busan 608-737, Korea
  2. School of Materials Science and Engineering, Busan National University, Busan 609-735, Republic of Korea

Abstract

Magnetoelectric (ME) thin films viz. (x) CoFe2O4 + (1-x) Ba0.8Sr0.2TiO3 where x = 0.15 and 0.45 have been synthesized on Pt(111)/Ti/SiO2/Si substrate using pulsed laser deposition (PLD) method. These films were grown by using single target containing both ferromagnetic and ferroelectric phases. The presence of constituent phases in the composites were confirmed by X – ray diffraction and EDAX studies. The surface morphology and thickness were studied by field emission scanning electron microscope (FE-SEM) and atomic force microscope (AFM). The magnetic hysteresis behaviour was studied with the help of vibrating sample magnetometer (VSM). Our results show that it is possible to grow biphasic ME nanocomposite by using single target containing both ferromagnetic and ferroelectric phases.

Keywords

Magnetoelectric, Multiferroic, Nanocomposite, PLD.

Citation

C. M. KANAMADI, H. K. YANG, B. K. MOON, B. C. CHOI, J. H. JEONG, KWANG HO KIM, Structural and magnetic properties of pulsed laser deposited (x)CoFe2O4 + (1-x)Ba0.8Sr0.2TiO3 nanocomposite thin films, Optoelectronics and Advanced Materials - Rapid Communications, 3, 5, May 2009, pp.489-492 (2009).

Submitted at: March 2, 2009

Accepted at: May 25, 2009