Structure and Magnetic Properties of Nanostructured Pd–Fe Thin Films Produced by Pulse Electrodeposition

Authors: Strukova, G. K.; Strukov, G. V.; Bozhko, S. I.; Kabanov, Yu. P.; Shmytko, I. M.; Mazilkin, A. A.; Sobolev, N. A.; Zhiteytsev, E. R.; Sukhanov, A. À.; Voronkova, V. K.; Tagirov, L. R.

Source: Journal of Nanoscience and Nanotechnology, Volume 11, Number 10, October 2011 , pp. 8907-8911(5)

Publisher: American Scientific Publishers

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Abstract:

Nanostructured Pd–Fe thin films with varied Fe content were prepared by electrodeposition technique from organic electrolytes on Cu and brass substrates. The structure and the magnetic properties of the films were investigated prior to post-deposition annealing. The structure of the Pd1−x Fe x thin film with x = 0.14, 0.24, and 0.52 was determined by X-ray diffraction (XRD) and transmission electron microscopy (TEM) as a solid solution of iron in palladium face-centered cubic lattice with the (111) orientation of nanograins relatively to the substrate surface. The films with higher iron concentration, x = 0.74, 0.91, have structure of a solid solution based on the body-centered cubic lattice. The average grain size determined by the scanning electron microscopy (SEM) for the first two alloys is 7–10 nm, and for the latter ones it is about 120 nm. The saturation magnetization of the films has linear dependence on the iron content, but coercivity has non-monotonic dependence on x, i.e., the films with x = 0.68 show highest coercivity. The magnetic anisotropy of the samples is studied by ferromagnetic resonance (FMR) spectroscopy.

Keywords: ELECTRODEPOSITION; MAGNETIC PROPERTIES; NANOCRYSTALLINE PD-FE THIN FILMS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3460

Publication date: October 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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