Physics – Condensed Matter – Materials Science
Scientific paper
2006-12-18
J. Phys. D: Appl. Phys. 40 964-969 (2007)
Physics
Condensed Matter
Materials Science
21 pages, 7 figures, accepted by J. Phys. D: Appl. Phys
Scientific paper
10.1088/0022-3727/40/4/007
In this paper, a correlation between structural and magnetic properties of Fe implanted ZnO is presented. High fluence Fe^+ implantation into ZnO leads to the formation of superparamagnetic alpha-Fe nanoparticles. High vacuum annealing at 823 K results in the growth of alpha-Fe particles, but the annealing at 1073 K oxidized the majority of the Fe nanoparticles. After a long term annealing at 1073 K, crystallographically oriented ZnFe2O4 nanoparticles were formed inside ZnO with the orientation relationship of ZnFe2O4(111)[110]//ZnO(0001)[1120]. These ZnFe2O4 nanoparticles show a hysteretic behavior upon magnetization reversal at 5 K.
Borany von J.
Eichhorn F.
Fassbender Juergen
Helm Manfred
Potzger Kay
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