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Film structure. XRD from thin films grown via laser ablation with 900 s deposition time with values denoted in the figure. Inset: lattice constant vs Co concentration for films (bullets) and bulk samples (filled squares). Solid lines through data are a linear fit confirming Vegard’s law.
(a) TEM image of FeSi thin film (900 s deposition time). (b) AFM image of thin film (600 s deposition time). The image is .
Magnetic susceptibility. Magnetic susceptibility vs temperature in a magnetic field of 50 Oe for both ZFC and FC conditions for three thin films having a 900 s deposition time and a millimeter sized single crystal (Ref. 16), as identified in the figure. Inset: Curie temperature determined from the maximum of for thin films and polycrystalline pellets (Ref. 2), as identified in the figure.
Magnetization. (a) Magnetization at a field of 10 kOe vs temperature for the same thin films, as in Fig. 3, and polycrystalline pellets with and (taken from Ref. 2), as identified in the figure. (b) vs at 5 K for films (900 s deposition time) with , 0.1, 0.15, and 0.2 and our arc-melted polycrystalline pellet with (taken from Ref. 2), as identified in the figure. Arrows indicate the sequence of magnetic fields.
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