Ion beam synthesis of Fe nanoparticles in MgO and yttria-stabilized zirconia

被引：10
|
作者：
Potzger, K.
Reuther, H.
Zhou, Shengqiang
Muecklich, A.
Groetzschel, R.
Eichhorn, F.
Liedke, M. O.
Fassbender, J.
Lichte, H.
Lenk, A.
机构：
[1] Forschungszentrum Rossendorf, Inst Ion Beam Phys & Mat Res, D-01314 Dresden, Germany
[2] Tech Univ Dresden, Inst Struct Phys, D-01062 Dresden, Germany
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 99卷 / 08期
关键词：
D O I：
10.1063/1.2159424
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
To form embedded Fe nanoparticles, MgO(001) and YSZ(001) single crystals have been implanted at elevated temperatures with Fe ions at energies of 100 keV and 110 keV, respectively. The ion fluence was fixed at 6x10(16) cm(-2). As a result, gamma- and alpha-phase Fe nanoparticles were synthesized inside MgO and YSZ, respectively. A synthesis efficiency of 100% has been achieved for implantation at 1273 K into YSZ. The ferromagnetic behavior of the alpha-Fe nanoparticles is reflected by a magnetic hyperfine field of 330 kOe and a hysteretic magnetization reversal. Electron holography showed a fringing magnetic field around some, but not all of the particles. (C) 2006 American Institute of Physics.
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页数：3
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