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Magnetic properties of Fe-based amorphous thin films

M. DOBROMIR1,* , M. NEAGU1, V. POHOATA1, F. BORZA2, T. MEYDAN2, T. A. OVARI2, Gh. POPA1, H. CHIRIAC3

Affiliation

  1. Faculty of Physics, Al. I. Cuza University, 11 Carol I Blvd., Iasi, 700506, Romania
  2. Wolfson Centre for Magnetics, Cardiff School of Engineering, Cardiff University, Newport Road, Cardiff, CF24 3AA, UK
  3. National Institute of R&D for Technical Physics, 47 Mangeron Blvd., Iasi, 700050, Romania

Abstract

Results on the bulk and surface magnetic behavior of Fe-Si-B-C amorphous thin films, with thickness in the range of 80 – 250 nm, deposited onto glass substrates using RF sputtering and pulsed laser deposition techniques are presented. In the as-deposited state the coercivity of the samples prepared by pulsed laser deposition is higher than of the RF sputtered samples. The obtained results show a small difference between bulk and surface magnetic behaviour. The thermal treatments reduce both surface and bulk coercivity values..

Keywords

Amorphous thin films, Magnetic properties, Magneto-optical Kerr effect.

Submitted at: Jan. 30, 2008
Accepted at: Feb. 18, 2008

Citation

M. DOBROMIR, M. NEAGU, V. POHOATA, F. BORZA, T. MEYDAN, T. A. OVARI, Gh. POPA, H. CHIRIAC, Magnetic properties of Fe-based amorphous thin films, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 2, pp. 410-412 (2008)