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Tuning magnetoresistance and exchange coupling in ZnO by doping transition metals
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10.1063/1.3664116
/content/aip/journal/apl/99/22/10.1063/1.3664116
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/22/10.1063/1.3664116

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Typical XRD θ−2θ (a) and the corresponding RSM (b) data of the Zn0.95Cu0.05O film. “S” and “F” stand for substrates and film, respectively.

Image of FIG. 2.
FIG. 2.

(Color online) Resistivity (ρ) versus temperature T (a) and T−1/4 (b) curves measured on the studied samples. Solid straight lines in (b) are theoretical fittings according to the Mott VRH model.

Image of FIG. 3.
FIG. 3.

(Color online) MR data measured on pure ZnO (a), Zn0.95Cu0.05O (b), and Zn0.95Co0.05O (c) samples with the applied field perpendicular to the film plane. Solid lines are the theoretical fitting results as discussed in the main text. (d) Fitting parameter b in Eq. (3) versus the inverse temperature. The linear lines are a guide to the eyes.

Tables

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Table I.

The resistivity , electron concentration , mobility , mean distance between donor , and calculated kFl of the studied samples. All are 5 K data.

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/content/aip/journal/apl/99/22/10.1063/1.3664116
2011-11-28
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tuning magnetoresistance and exchange coupling in ZnO by doping transition metals
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/22/10.1063/1.3664116
10.1063/1.3664116
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