Gold-coated iron nanoparticles in transparent Si3N4 matrix thin films

被引：0

作者：

Sanchez-Marcos, J. ^{[1
,2
]}

Cespedes, E. ^{[1
]}

Jimenez-Villacorta, F. ^{[1
,3
]}

Munoz-Martin, A. ^{[4
]}

Prieto, C. ^{[1
]}

机构：

[1] CSIC, Inst Ciencia Mat Madrid, Madrid 28049, Spain

[2] Univ Autonoma Madrid, Dept Quim Fis Aplicada, E-28049 Madrid, Spain

[3] European Synchrotron Radiat Facil, SpLine Spanish CRG Beamline, F-38043 Grenoble, France

[4] Univ Autonoma Madrid, Ctr Microanal Mat, E-28049 Madrid, Spain

来源：

JOURNAL OF NANOPARTICLE RESEARCH | 2013年 / 15卷 / 06期

关键词：

Core-shell nanoparticles; Magnetic nanoparticles; Magnetic nanoparticles in transparent films; MAGNETIC-PROPERTIES; SILICON-NITRIDE; FINE-STRUCTURE; MULTILAYERS; MAGNETORESISTANCE; ANISOTROPY; COBALT;

D O I：

10.1007/s11051-013-1714-2

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new method to prepare thin films containing gold-coated iron nanoparticles is presented. The ternary Fe-Au-Si3N4 system prepared by sequential sputtering has revealed a progressive variation of microstructures from Au/Fe/Au/Si3N4 multilayers to iron nanoparticles. Microstructural characterization by transmission electron microscopy, analysis of the magnetic properties and probing of the iron short-range order by X-ray absorption spectroscopy confirm the existence of a gold-coated iron nanoparticles of 1-2 nm typical size for a specific range of iron and gold contents per layer in the transparent silicon nitride ceramic matrix.

引用

页数：13

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