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Preparation and size-modulation of silica-coated maghemite nanoparticles

In this study we report on the synthesis and characterization of both silica-coated and aminopropyl-silica-coated maghemite nanoparticles of different particle sizes by one-step reaction of an alkaline aqueous-based dispersion of maghemite nanoparticles (7?10nm).

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2010

ISSN:0925-8388

数据源:报刊文摘

Thermotropic liquid crystal behaviour of gemini imidazolium-based ionic amphiphiles

Thermotropic ionic liquid crystals (LCs) are useful for a number of applications such as anisotropic ion transport and as organised reaction media/solvents because of their ordered fluid properties and intrinsic charge units.

出版机构:Taylor & Francis

刊物名称:Liquid Crystals

出版时间:2010

ISSN:0267-8292

数据源:报刊文摘

Core and shell structure of ytterbium sesquioxide nanoparticles

This paper reports results concerning the crystal structure of core and shell as well as microstructure of 25nm-ytterbium sesquioxide (Yb2O3) nanoparticles synthesized using a unique method based on thermal decomposition of a 2,4 pentadione complex.

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2010

ISSN:0925-8388

数据源:报刊文摘

Controlling the size and size distribution of magnetite nanoparticles on carbon nanotubes

Nanocomposites composed of carbon nanotubes (CNTs) and magnetite (Fe3O4) nanoparticles were fabricated by using ethylene glycol as reductant at 160?C. The composites were subsequently annealed under different temperatures in an inert atmosphere.

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2010

ISSN:0925-8388

数据源:报刊文摘

Conditions for preparation of nanosized Al2(WO4)3

Pure nanosized Al2(WO4)3 was synthesized according to different methods?solid state synthesis with and without preliminary mechanical activation, co-precipitation and sol?gel method. Structure and morphology of Al2(WO4)3 were determined by powder XRD diffraction and TEM analysis.

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2010

ISSN:0925-8388

数据源:报刊文摘

Combustion synthesis of Co-doped zinc oxide nanoparticles using mixture of citric acid–glycine fuels

? Cobalt-doped ZnO nanoparticles were successfully synthesized by combustion method using mixtures of citric acid and glycine fuels. ? The crystallite size increases with citric acid/glycine (C/G) ratio (38?61nm). ?

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2011

ISSN:0925-8388

数据源:报刊文摘

Fe:ZnSe semiconductor nanocrystals: Synthesis, surface capping, and optical properties

? Highly luminescent and water-soluble Fe:ZnSe semiconductor nanocrystals. ? Surface capping and optical properties of Fe:ZnSe semiconductor nanocrystals. ? Concentration quenching appears when Fe-doping concentration is larger than 10.0at%.

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2011

ISSN:0925-8388

数据源:报刊文摘

Solvent-assisted selective synthesis of NaLaF4 and LaF3 fluorescent nanocrystals via a facile solvothermal approach

? A facile solvothermal strategy was developed for the controllable synthesis of hexagonal phase NaLaF4 nanorods with the assistance of ethylenediamide. ? High-quality LaF3 and NaLaF4 nanocrystals can be selectively prepared just by tuning the component of the solvents. ?

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2011

ISSN:0925-8388

数据源:报刊文摘

Effect of alien cations on the growth mode and self-assemble fashion of ZnO nanostructures

. The effect of alien cations on the morphology of ZnO nanostructures was investigated. Experiments indicated that alien cations really had great impact on the morphology and the photoluminescence properties.

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2011

ISSN:0925-8388

数据源:报刊文摘

Synthesis and conductivity of GdPO4 nanorods: Impacts of particle size and Ca2+ doping

? Hydrated Gd1?x Ca x PO4 nanorods were prepared by a hydrothermal method. ? The nanorods have dimensions of 20nm in diameters and several hundred nm in lengths. ? The solid solution limit of Ca2+ in GdPO4?nH2O nanorods was about 3mol%. ?

出版机构:Elsevier Science

刊物名称:Journal of Alloys and Compounds

出版时间:2011

ISSN:0925-8388

数据源:报刊文摘