Exchange-Coupled Bimagnetic Wustite/Metal Ferrite Core/Shell Nanocrystals: Size, Shape, and Compositional Control

被引：76

作者：

Bodnarchuk, Maryna I. ^{[1
]}

Kovalenko, Maksym V. ^{[1
]}

Groiss, Heiko ^{[1
]}

Resel, Roland ^{[2
]}

Reissner, Michael ^{[3
]}

Hesser, Guenter ^{[1
]}

Lechner, Rainer T. ^{[1
]}

Steiner, Walter ^{[3
]}

Schaeffler, Friedrich ^{[1
]}

Heiss, Wolfgang ^{[1
]}

机构：

[1] Univ Linz, Inst Solid State Phys & Semicond, A-4040 Linz, Austria

[2] Graz Univ Technol, Inst Solid State Phys, A-8010 Graz, Austria

[3] Vienna Univ Technol, Inst Solid State Phys, A-1040 Vienna, Austria

来源：

SMALL | 2009年 / 5卷 / 20期

基金：

奥地利科学基金会;

关键词：

crystal growth; iron; magnetic properties; nanomaterials; synthesis; MAGNETIC-PROPERTIES; ORGANOMETALLIC SYNTHESIS; OXIDE NANOCRYSTALS; NANOPARTICLES; MOSSBAUER; GROWTH; NUCLEATION; COFE2O4; BIAS; FEO;

D O I：

10.1002/smll.200900635

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Iron oxide-based exchange-coupled nanomagnets consisting of antiferromagnetic wustite (FexO) cores covered by ferrimagnetic metal ferrite shells (see figure) are chemically synthesized in a simple one-pot procedure. The synthesis allows independent size, shape, and compositional control. The strong exchange coupling at the core/shell interface results in unique magnetic properties. © 2009 Wiley-VCH Verlag GmbH & Co.

引用

页码：2247 / 2252

页数：6

共 41 条

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IEEE TRANSACTIONS ON MAGNETICS, 2014, 50 (11)
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IEEE TRANSACTIONS ON MAGNETICS, 2015, 51 (11)
[9] Tunnel Magnetoresistance in Self-Assemblies of Exchange-Coupled Core/Shell Nanoparticles
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