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Ferromagnetism induced by defect complex in Co-doped ZnO
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10.1063/1.2995997
/content/aip/journal/apl/93/13/10.1063/1.2995997
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/13/10.1063/1.2995997

Figures

Image of FIG. 1.
FIG. 1.

The positions N and F where Al impurity lies in the Wurtzite Co-doped ZnO supercell. Green, light yellow, and red spheres designate Zn, O, and Co atoms, respectively. “V” indicates the position where O vacancy locates.

Image of FIG. 2.
FIG. 2.

Total DOS for (a) Co-doped ZnO and (b) (Co, Al)-codoped ZnO, PDOS of in (c) (Co, Al)-codoped ZnO and (d) (Co, Al)-codoped ZnO with O vacancy, and the electronic states of Al in (e) (Co, Al)-codoped ZnO and (f) (Co, Al)-codoped ZnO with O vacancy, as noted in the figure. The Fermi level is shown as red dashed line.

Tables

Generic image for table
Table I.

The energy differences (meV) between the AFM and FM ordering of Co ions in the Co-doped ZnO with different defects. B, V, N, F, and represent Co-doped ZnO, Co-doped ZnO with at the site V, Co-doped ZnO with Al at sites N, with Al at site F, and with both Al and at sites N and V, respectively.

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/content/aip/journal/apl/93/13/10.1063/1.2995997
2008-10-02
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferromagnetism induced by defect complex in Co-doped ZnO
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/13/10.1063/1.2995997
10.1063/1.2995997
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