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Enhancement of ferromagnetic properties in nanoparticles by indium codoping: An experimental and theoretical study
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) and (e) show the bright field TEM images of and nanoparticles. (b) and (f) show the SAED patterns of and . The simulated ring patterns of and with the intensity of peaks shown are overlapped on the experimental ring patterns. (c) and (g) show the HRTEM image of . (d) and (h) show the typical EDS pattern of and .

Image of FIG. 2.
FIG. 2.

(a) The M vs H curves of ( to 0.07 at. %) measured at room temperature. The inset shows the vs H curves. (b) Figure 2 enlarged around the origin, indicating “” and “.”

Image of FIG. 3.
FIG. 3.

[(a) and (b)] FC and ZFC M vs T curves of and measured at an applied field of 200 Oe.

Image of FIG. 4.
FIG. 4.

Spin-dependent total DOS of with the In concentrations , 2/32, and 3/32. Left (right) panels show AFM (FM) phase, where energies are referred to the valence-band maximum of intrinsic ZnO (gray area). The DOS is per formula ZnO unit and Fermi energy is marked by vertical dashed lines.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancement of ferromagnetic properties in Zn0.95Co0.05O nanoparticles by indium codoping: An experimental and theoretical study