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Magnetization dependence on electron density in epitaxial ZnO thin films codoped with Mn and Sn
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10.1063/1.1856225
/content/aip/journal/jap/97/5/10.1063/1.1856225
http://aip.metastore.ingenta.com/content/aip/journal/jap/97/5/10.1063/1.1856225

Figures

Image of FIG. 1.
FIG. 1.

X-ray diffraction of ZnO films codoped with Mn and Sn grown at an oxygen partial pressure of and growth temperatures of 400, 500, and . The target was ZnO doped with 3% Mn and 0.01% Sn.

Image of FIG. 2.
FIG. 2.

X-ray diffraction of an epitaxial ZnO film doped with 3% Mn and 0.1% Sn that was deposited at and . (a) an -rocking curve of the ZnO (002) peak with a FWHM of 0.5°. (b) in-plane scan of the ZnO (101) planes.

Image of FIG. 3.
FIG. 3.

SQUID measurements for epitaxial ZnO:3% Mn films without (a) and with (b) Sn codoping. Notice that the film without Sn exhibits little or no hysteresis, whereas the film with Sn shows hysteresis.

Image of FIG. 4.
FIG. 4.

A plot showing the dependence of the coercive field on Sn concentration at different SQUID measurement temperatures.

Image of FIG. 5.
FIG. 5.

Magnetization measured at for epitaxial ZnO:3% Mn films that are codoped with 0.001% Sn, 0.01% Sn, 0.1% Sn, and no Sn. There appears to be an inverse correlation of the Sn content with the saturation magnetization.

Tables

Generic image for table
Table I.

Resistivity as a function of Sn content in codoped ZnO:3% Mn films.

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/content/aip/journal/jap/97/5/10.1063/1.1856225
2005-02-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetization dependence on electron density in epitaxial ZnO thin films codoped with Mn and Sn
http://aip.metastore.ingenta.com/content/aip/journal/jap/97/5/10.1063/1.1856225
10.1063/1.1856225
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