The Origin of the Magnetism of Etched Silicon

被引:42
作者
Grace, Patrick J. [1 ]
Venkatesan, Munuswamy [1 ]
Alaria, Jonathan [1 ]
Coey, J. Michael D. [1 ]
Kopnov, Gregory [2 ]
Naaman, Ron [2 ]
机构
[1] Trinity Coll Dublin, CRANN & Sch Phys, Dublin 2, Ireland
[2] Weizmann Inst Sci, Dept Chem Phys, IL-76100 Rehovot, Israel
关键词
D O I
10.1002/adma.200801098
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A recent report of ferromagnetism appearing in silicon after etching in hot KOH (Kopnov et al., Adv. Mater. 2007, 79, 925) is shown to be due to iron from the pyrex glassware, which precipitates on the silicon surface in the form of well-separated ferromagnetic nanoparticles. The reaction is explained in terms of the Pourbaix diagram.
引用
收藏
页码:71 / 74
页数:4
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