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M vs H curve (a) at 300 K and (b) at 10 K for a pristine and irradiated MoS2 after subtracting the substrate Si contribution.
(a) M vs H curve at various temperatures from 400 K (black), 95 K (blue), and 10 K (red) for a pristine and irradiated MoS2 at a fluence of 5 × 1018 ions/cm2. An enlarged view of the M-H isotherms near the origin is shown in the inset. The variation of coercivity vs ion fluence is shown in (b). (c) Zero field and field cooled (ZFC and FC) magnetization vs temperature measurements in an applied field of 500 Oe for an irradiated MoS2 sample at a fluence of 5 × 1018 ions/cm2. The inverse of the estimated magnetic susceptibility vs temperature plot near Tc (900–950 K) is shown in the inset. 2(d) The value of magnetization at 300 K with H = 5 kOe as a function of ion fluence from 1 × 1017 ions/cm2 to 5 × 1018 ions/cm2.
XPS spectra from pristine and irradiated MoS2 at a fluence of 5 × 1018 ions/cm2. The Mo peak is given in (a) and (b) and S peak in (c) and (d). The fitted spectra along with the constituent peaks and experimental points are also shown.
Raman spectra of (a) pristine MoS2 and (b) irradiated MoS2 at a fluence of 5 × 1018 ions/cm2. The deconvoluted modes are labeled in the spectrum; the fitted curve with constituent peaks and experimental points are also given.
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