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XRD patterns of as-fabricated products. The diffraction peaks can be indexed to face-centered-cubic structure of MgO, as marked on the spectrum.
The SEM images of flowerlike MgO nanostructures: (a) A low-magnification view (inset shows a high- magnification SEM image); and (b) a high- magnification view.
(Color online). Dielectric properties of the MgO nanoflower and micropowder samples at room temperature: (a) Frequency dependence of the relative dielectric constant , (b) frequency dependence of loss angle .
Temperature dependence of the relative dielectric constant of the MgO nanoflowers.
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