Space-confined formation of FePt nanoparticles in ordered mesoporous silica SBA-15

被引：55

作者：

Kockrick, Emanuel

Krawiec, Piotr

Schnelle, Walter

Geiger, Dorin

Schappacher, Falko M.

Poettgen, Rainer

Kaskel, Stefan

机构：

[1] Tech Univ Dresden, Dept Inorgan Chem, D-01662 Dresden, Germany

[2] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany

[3] Tech Univ Dresden, Inst Struct Phys, Triebenberg Lab HRTEM & Electron Holograhy, D-01328 Dresden, Germany

[4] Univ Munster, Dept Inorgan & Analyt Chem, D-48149 Munster, Germany

来源：

ADVANCED MATERIALS | 2007年 / 19卷 / 19期

关键词：

D O I：

10.1002/adma.200601367

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

FePt nanoparticles inside ordered mesoporous silica SBA-15 were synthesized via incipient wetness impregnation and subsequent thermal treatments in reductive atmosphere. The porous matrix is used to prevent sintering and agglomeration during the fcc-FePt to fct-FePt phase transition. According to magnetic measurements and Mossbauer spectroscopic studies, the resulting FePt@SBA-15 composites are ferromagnetic.

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页码：3021 / +

页数：7

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