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Observation of ferromagnetism above in Cr–GaN and Cr–AlN
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10.1063/1.1812581
/content/aip/journal/apl/85/18/10.1063/1.1812581
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/18/10.1063/1.1812581
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Magnetic properties of Cr–AlN grown at 700 and with various Cr concentrations. Lines are included to illustrate the general trends observed.

Image of FIG. 2.
FIG. 2.

(a) Magnetic field dependence of magnetization of (a) 2% Cr-doped GaN at 325 and , (b) 7% Cr-doped AlN at 300 and . (c) Temperature dependence of magnetization of 2% Cr-doped GaN and 7% Cr-doped AlN.

Image of FIG. 3.
FIG. 3.

Temperature dependent transport measurements of Cr–GaN deposited on sapphire (a) Resistivity . Insert shows comparison between experimental data and functional relationship expected for variable range hopping. (b) Magnetoresistance , the relative change of sheet resistance in a magnetic field.

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/content/aip/journal/apl/85/18/10.1063/1.1812581
2004-11-03
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of ferromagnetism above 900K in Cr–GaN and Cr–AlN
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/18/10.1063/1.1812581
10.1063/1.1812581
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