X-Ray diffraction of nanoparticles using synchrotron radiation of wavelength 1.089 Å. The peaks marked by asterisks are explained in the text. Inset: Magnified image of the peak 511 shows gradual right shift and peak sharpening.
EDAX spectrum of nanoparticles with Scanning Electron Microscopy image in the inset.
Zero field cooled (closed symbol) and field cooled (open symbol) for different Ni concentrations (x).
Zero Field Cooled hysteresis loops measured at 5 K. Inset: magnified loops to show coercivity.
Magnified M-H loops measured at 300 K. Inset: M-H loops showing saturation at 300 K.
(a) Saturation magnetization as a function of Ni concentration (x) at 5 K and 300 K. (b) Ni concentration dependence of coercivity at 5 K and 300 K.
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