Size-dependent magnetism of EuS nanoparticles.

EuS nanoparticles were synthesized by solution-phase thermolysis of the diethylammonium salt of the anionic europium dithiocarbamate complex, [Eu(S2CNEt2)4]-. Oleylamine and triphenylphosphine were used as surfactants to prevent nanoparticle agglomeration and stabilize particle growth. By varying the synthetic parameters such as reaction temperature, heating time, and the [surfactant]: [precursor] ratio, nanoparticles of different sizes were obtained. The size-dependent magnetic properties of these nanoparticles were studied, and it was observed that a decrease in the ferromagnetic ordering temperature occurs with decreasing particle size.

Main Author: Regulacio, Michelle.
Other Authors: Kar, Srotoswini., Zuniga, Edward., Wang, Guangbin., Dollahon, Norman., Yee, Gordon., Stoll, Sarah.
Language: English
Published: 2008
Online Access: http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:175899
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dc_source_str_mv Chemistry of Materials 20, 2008, 3368-3376.
author Regulacio, Michelle.
author_s Regulacio, Michelle.
spellingShingle Regulacio, Michelle.
Size-dependent magnetism of EuS nanoparticles.
author-letter Regulacio, Michelle.
author_sort_str Regulacio, Michelle.
author2 Kar, Srotoswini.
Zuniga, Edward.
Wang, Guangbin.
Dollahon, Norman.
Yee, Gordon.
Stoll, Sarah.
author2Str Kar, Srotoswini.
Zuniga, Edward.
Wang, Guangbin.
Dollahon, Norman.
Yee, Gordon.
Stoll, Sarah.
dc_title_str Size-dependent magnetism of EuS nanoparticles.
title Size-dependent magnetism of EuS nanoparticles.
title_short Size-dependent magnetism of EuS nanoparticles.
title_full Size-dependent magnetism of EuS nanoparticles.
title_fullStr Size-dependent magnetism of EuS nanoparticles.
title_full_unstemmed Size-dependent magnetism of EuS nanoparticles.
collection_title_sort_str size-dependent magnetism of eus nanoparticles.
title_sort size-dependent magnetism of eus nanoparticles.
description EuS nanoparticles were synthesized by solution-phase thermolysis of the diethylammonium salt of the anionic europium dithiocarbamate complex, [Eu(S2CNEt2)4]-. Oleylamine and triphenylphosphine were used as surfactants to prevent nanoparticle agglomeration and stabilize particle growth. By varying the synthetic parameters such as reaction temperature, heating time, and the [surfactant]: [precursor] ratio, nanoparticles of different sizes were obtained. The size-dependent magnetic properties of these nanoparticles were studied, and it was observed that a decrease in the ferromagnetic ordering temperature occurs with decreasing particle size.
publishDate 2008
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fgs.label Size-dependent magnetism of EuS nanoparticles.
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dc.title Size-dependent magnetism of EuS nanoparticles.
dc.creator Regulacio, Michelle.
Kar, Srotoswini.
Zuniga, Edward.
Wang, Guangbin.
Dollahon, Norman.
Yee, Gordon.
Stoll, Sarah.
dc.description EuS nanoparticles were synthesized by solution-phase thermolysis of the diethylammonium salt of the anionic europium dithiocarbamate complex, [Eu(S2CNEt2)4]-. Oleylamine and triphenylphosphine were used as surfactants to prevent nanoparticle agglomeration and stabilize particle growth. By varying the synthetic parameters such as reaction temperature, heating time, and the [surfactant]: [precursor] ratio, nanoparticles of different sizes were obtained. The size-dependent magnetic properties of these nanoparticles were studied, and it was observed that a decrease in the ferromagnetic ordering temperature occurs with decreasing particle size.
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dc.source Chemistry of Materials 20, 2008, 3368-3376.
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