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GROWTH AND MAGNETIC PROPERTIES OF DC MAGNETRON SPUTTERED Co0.2Fe0.8 THIN FILM

Author

Listed:
  • MAHESWARI MOHANTA

    (Department of Physics, ITER, Siksha ‘O’ Anusandhan, Deemed to be University, Bhubaneswar 751030, India)

  • S. K. PARIDA

    (Department of Physics, ITER, Siksha ‘O’ Anusandhan, Deemed to be University, Bhubaneswar 751030, India)

  • ANANYA SAHOO

    (Department of Physics, ITER, Siksha ‘O’ Anusandhan, Deemed to be University, Bhubaneswar 751030, India)

  • V. R. R. MEDICHERLA

    (Department of Physics, ITER, Siksha ‘O’ Anusandhan, Deemed to be University, Bhubaneswar 751030, India)

Abstract

We report the growth and characterization of the Co0.2Fe0.8 thin film. The thin film was deposited on Si (100) substrate by using a direct-current magnetron sputtering deposition technique. The Grazing Incidence X-ray Diffraction (GIXRD) analysis suggests a bcc crystal structure with a lattice constant of 2.87Å. The X-ray reflectivity (XRR) data analysis shows the thickness of the Co0.2Fe0.8 thin film is about 30 nm. The Energy Dispersive X-ray (EDAX) analysis shows the presence of 22.94% of Co and 77.06% of Fe in Co0.2Fe0.8 thin film. The Magneto-Optic Kerr Effect (MOKE) technique was used to investigate the magnetic properties and results support that Co0.2Fe0.8thin film exhibits soft magnetic character. The analysis of the M–H loop suggests that the value of the coercive field decreases with the increase of angle with respect to the magnetic easy axis. The MOKE measurement suggests that Co0.2Fe0.8 thin film alloy exhibits the least anisotropy with two-fold magnetic anisotropy. Magnetization reversibility was observed by using high-resolution Kerr microscopy. The domain images showed that reversibility occurs through nucleation and domain wall motion. Magnetic anisotropy dispersion was also observed which may be due to the misalignment of grains in the film due to which we got the least anisotropy. These properties of the prepared sample found potential application in the field of spintronics and magnetic sensors.

Suggested Citation

  • Maheswari Mohanta & S. K. Parida & Ananya Sahoo & V. R. R. Medicherla, 2021. "GROWTH AND MAGNETIC PROPERTIES OF DC MAGNETRON SPUTTERED Co0.2Fe0.8 THIN FILM," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 28(06), pages 1-6, June.
    • Handle: RePEc:wsi:srlxxx:v:28:y:2021:i:06:n:s0218625x21500530
    DOI: 10.1142/S0218625X21500530
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