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(a) X-ray diffraction patterns for Mg1−xAlxO nanoparticles. (b) Dark field TEM image and (c) HRTEM image of 2 at. % Al doped MgO nanoparticle.
(a) Wide scan x-ray photo-electron spectra for as-prepared and vacuum annealed (at 600 °C for 6 h) 2 at. % Al doped MgO nanoparticles, (b) x-ray photo-electron spectra of O 1s peak of (i-iii) as-prepared and (iv-vi) vacuum annealed pure, 2 and 5 at. % Al doped MgO, respectively (Colored lines inside the main Gaussian peak are fittings to different oxygen coordination.), and (c) oxygen vacancy concentration of as-prepared and vacuum annealed pure, 2 and 5 at. % Al doped MgO.
(a) M-H loop and (b) saturation magnetization MS as a function of x in Mg1−xAlxO samples at 300 K. (The dotted line is a guide to the eye.)
(a) M-H loop (at 300 K) for AP, AA, and VA Mg1−xAlxO samples (for x = 0.02); (b) MS as a function of x for AP, AA, and VA Mg1−xAlxO samples. (The solid line shows a spline interpolation of the curve between the measured data points.)
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