Abstract
Pulsed laser deposition of iron atoms on graphite substrates was performed to produce iron carbide films. Mössbauer spectra of the sample revealed that iron carbide was produced on the substrate surface and that an α-Fe layer was produced above the iron carbide layer. When the substrate temperature was maintained at 300 K, the iron carbide layer had a hyperfine magnetic distribution because it contained high density of defects. Laser deposition of Fe at 570 K produced cementite Fe3C with fewer defects due to enhancement of thermal reactions or annealing of the films. The orientation of hyperfine field of the Fe3C film was parallel to the substrate surface.
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Yamada, Y., Yoshida, H. & Kobayashi, Y. Laser deposition of iron on graphite substrates. Hyperfine Interact 198, 55–59 (2010). https://doi.org/10.1007/s10751-010-0236-x
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DOI: https://doi.org/10.1007/s10751-010-0236-x