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Ferromagnetism in Mn-doped GaN nanocrystals prepared solvothermally at low temperatures
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10.1063/1.2357927
/content/aip/journal/apl/89/13/10.1063/1.2357927
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/13/10.1063/1.2357927
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Figures

Image of FIG. 1.
FIG. 1.

(a) XRD patterns of (I) 3% Mn-doped GaN of diameter, (II) 5% Mn-doped GaN of diameter, and (III) 5% Mn-doped GaN nanocrystals of diameter obtained by heating the particles. (b) Typical PL spectrum of 3% Mn-doped nanocrystals with an average diameter of .

Image of FIG. 2.
FIG. 2.

TEM images of 3% Mn-doped GaN nanocrystals with average diameters of (a) and (b) prepared by the cupferron route. Insets show the size distribution histograms. The bottom inset in (b) shows the HREM image of an nanocrystal.

Image of FIG. 3.
FIG. 3.

TEM images of 5% Mn-doped GaN nanocrystals with average diameters of (a) and (b) , the latter have been obtained by heating nanocrystals at . Insets show size distribution histograms. The top inset in (b) shows the HREM image of a nanocrystal.

Image of FIG. 4.
FIG. 4.

Temperature variation of magnetization curves of (a) 3% and (b) 5% Mn-doped GaN nanocrystals with an average diameter of , prepared by the cupferron route. Inset in (a) shows the curves for the 3% Mn-doped GaN nanocrystals with an average diameter of and inset in (b) shows the curves of the 5% Mn-doped GaN nanopcrystals of diameter.

Image of FIG. 5.
FIG. 5.

Field dependence of magnetization of (a) 3% and (b) 5% Mn-doped GaN nanocrystals of diameter prepared by the cupferron route. Inset in (a) shows the curves of 3% Mn-doped GaN nanocrystals with a diameter of prepared by the cupferron route. Inset in (b) shows the curves of 3% Mn-doped GaN nanocrystals of diameter prepared by the chloride route.

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/content/aip/journal/apl/89/13/10.1063/1.2357927
2006-09-26
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferromagnetism in Mn-doped GaN nanocrystals prepared solvothermally at low temperatures
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/13/10.1063/1.2357927
10.1063/1.2357927
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