Issue 39, 2005
From the journal:

Journal of Materials Chemistry

Magnetic properties of EuS nanoparticles synthesized by thermal decomposition of molecular precursors†

Fei Zhao,a   Hao-Ling Sun,a   Song Gao*a  and  Gang Sub  

* Corresponding authors

a State Key Laboratory of Rare Earth Materials Chemistry and Applications & PKU-HKU Joint Laboratory on Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China
E-mail: gaosong@pku.edu.cn
Fax: (+86) 10-6275-1708
Tel: 86-10-62756320

b College of Physical Sciences, Graduate School of Chinese Academy of Sciences, P. O. Box 4588, Beijing, P. R. China

Abstract

Europium(II) sulfide nanoparticles with an average particle size of 5.5 nm and a narrow size distribution were synthesized by the direct and facile thermal decomposition of a molecular precursor Eu(Phen)(Ddtc)3 (Phen = 1,10-phenanthroline, Ddtc = diethyldithiocarbamate) at the relatively low temperature of 200 °C. Compared with EuS samples of 50–120 nm in size, which show bulk ferromagnetic ordering, the EuS nanocrystals of 5–6 nm in size show a cluster glass-like behavior. Moreover, a quasi-ferrimagnetic behavior was observed in the smallest EuS sample upon oxidation of the surface.

Graphical abstract: Magnetic properties of EuS nanoparticles synthesized by thermal decomposition of molecular precursors

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Article information

DOI
https://doi.org/10.1039/B507584J
Article type
Paper
Submitted
27 May 2005
Accepted
21 Jul 2005
First published
15 Aug 2005

J. Mater. Chem., 2005,15, 4209-4214

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Magnetic properties of EuS nanoparticles synthesized by thermal decomposition of molecular precursors

F. Zhao, H. Sun, S. Gao and G. Su, J. Mater. Chem., 2005, 15, 4209 DOI: 10.1039/B507584J

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