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A study of the correlation between hydrogen content and magnetism in ZnCoO
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10.1063/1.3671786
/content/aip/journal/jap/111/7/10.1063/1.3671786
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3671786
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) M-H curve measured at 300 K for Zn0.85Co0.15O and Zn0.8Co0.2O before hydrogen injection. (b) M-H curve measured at 300 K for Zn0.9Co0.1O, Zn0.85Co0.15O, and Zn0.8Co0.2O treated at different rf-power for hydrogen plasma.

Image of FIG. 2.
FIG. 2.

(Color online) SIMS depth profile of elements (Zn, Co, O, and H) for each sample according to Co concentration and hydrogen treatment conditions. Hydrogen contents showed the strong dependency on the plasma treatment condition.

Image of FIG. 3.
FIG. 3.

(Color online) Comparison of hydrogen content (hydrogen profile: open circle) and remnant magnetization (star) for each sample according to Co concentration and hydrogen treatment conditions. The dashed line is a guide of hydrogen contents to the eye.

Image of FIG. 4.
FIG. 4.

(Color online) XRD patterns according to Co concentration and hydrogen treatment conditions with calculated Bragg peak position for ZnO, CoO, and Co.

Image of FIG. 5.
FIG. 5.

(Color online) TEM image for Zn0.85Co0.15O (a) before and (b) after hydrogen treatment. Dash circle indicates the different phase from single ZnO phase, which is assumed to be due to CoO phase.

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/content/aip/journal/jap/111/7/10.1063/1.3671786
2012-02-15
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A study of the correlation between hydrogen content and magnetism in ZnCoO
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3671786
10.1063/1.3671786
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