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Effect of oxygen deficiency on room temperature ferromagnetism in Co doped ZnO
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10.1063/1.4717741
/content/aip/journal/apl/100/20/10.1063/1.4717741
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/20/10.1063/1.4717741
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Figures

Image of FIG. 1.
FIG. 1.

TEM and HRTEM micrographs of Zn0.95Co0.05O [(a),(d)], Zn0.95Co0.05O + SiO2 [(b),(e)] and Zn0.95Co0.05O + CNTS [(c),(f)] polycrystalline samples. (g) Corresponding x-ray diffraction patterns.

Image of FIG. 2.
FIG. 2.

Magnetization hysteresis loops of Zn0.95Co0.05O, SiO2 treated Zn0.95Co0.05O, and CNTS treated Zn0.95Co0.05O samples at 300 K.

Image of FIG. 3.
FIG. 3.

Magnetization hysteresis loops of Zn0.95Co0.05O, Zn0.95Co0.05O +SiO2 and Zn0.95Co0.05O + CNTS polycrystalline samples after oxygen annealing. The inset is the Core-level XPS spectrum of Co 2p for CNTS treated Zn0.95Co0.05O sample after oxygen annealing.

Image of FIG. 4.
FIG. 4.

(a)-(c) Normalized XPS O 1s scans of Zn0.95Co0.05O, Zn0.95Co0.05O +SiO2 and Zn0.95Co0.05O + CNTS polycrystalline samples after post oxygen annealing. (d) Corresponding O/(ZnCo) atomic ratios and magnetizations.

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/content/aip/journal/apl/100/20/10.1063/1.4717741
2012-05-15
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of oxygen deficiency on room temperature ferromagnetism in Co doped ZnO
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/20/10.1063/1.4717741
10.1063/1.4717741
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