Magnetic behaviour of negatively charged nickel(II) hexacyanoferrate(III) coordination nanoparticles

被引：14

作者：

Brinzei, Daniela ^{[1
]}

Catala, Laure ^{[1
]}

Rogez, Guillaume ^{[2
]}

Gloter, Alexandre ^{[3
]}

Mallah, Talal ^{[1
]}

机构：

[1] Univ Paris 11, CNRS, UMR 8182, Inst Chim Mol & Mat Orsay, F-91405 Orsay, France

[2] CNRS, ULP, UMR 7504, Inst Phys & Chim Mat Strasbourg, F-67034 Strasbourg 2, France

[3] Univ Paris 11, CNRS, UMR 8502, Phys Solides Lab, F-91405 Orsay, France

来源：

INORGANICA CHIMICA ACTA | 2008年 / 361卷 / 14-15期

关键词：

cyanide; Ni(II); ferricyanide; coordination nanoparticle; magnetism;

D O I：

10.1016/j.ica.2008.03.123

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Negatively charged 4 nm bimetallic Ni(II)-Fe(III) cyanide-bridged nanoparticles were obtained and isolated by different coating agents. The magnetic properties of the particles were studied in the powder form and in diluted samples. A spin-glass like behaviour occurs in the concentrated sample, while the magnetic behaviour of the diluted ones strongly depends on the method used to isolate the nanoparticles. Only high dilution in a polymer matrix leads to a single-domain superparamagnetic behaviour, with a blocking temperature of 3.5 K. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：3931 / 3936

页数：6

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