X-ray diffraction (XRD) spectra of FePt–C films with various carbon concentrations.
Lattice constant as a function of carbon concentrations in FePt–C films.
Cross-sectional TEM images of FePt-C films with carbon concentration of (a) 0, (b) , (c) , and (d) .
Out-of-plane hysteresis loops of FePt–C films with various carbon concentrations.
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