Colloidal Crystals of Monodisperse FePt Nanoparticles Grown by a Three-Layer Technique of Controlled Oversaturation

Colloidal crystals of FePt nanocrystals have been produced by a three‐layer oversaturation technique. Faceted triangular and hexagonal platelets, pyramids, and tetrahedrons have been obtained (see Figure), consisting of individual monodisperse FePt nanocrystals aligned in a 3D superlattice. Transiti...

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Bibliographic Details
Published in:	Advanced materials (Weinheim) Vol. 14; no. 4; pp. 287 - 290
Main Authors:	Shevchenko, E., Talapin, D., Kornowski, A., Wiekhorst, F., Kötzler, J., Haase, M., Rogach, A., Weller, H.
Format:	Journal Article
Language:	English
Published:	Weinheim WILEY-VCH Verlag Gmbh 19-02-2002 WILEY‐VCH Verlag Gmbh
Subjects:	Colloidal crystals ferrite Nanocomposites Nanoparticles platinum Nanoparticles platinum, ferrite
Online Access:	Get full text
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Summary:	Colloidal crystals of FePt nanocrystals have been produced by a three‐layer oversaturation technique. Faceted triangular and hexagonal platelets, pyramids, and tetrahedrons have been obtained (see Figure), consisting of individual monodisperse FePt nanocrystals aligned in a 3D superlattice. Transition from superparamagnetic to ferromagnetic behavior is observed at 14 K.
Bibliography:	ark:/67375/WNG-NMGPMNNM-3 istex:49F64CE6894B65D2E447C4BA141398074F878825 ArticleID:ADMA287 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0935-9648 1521-4095
DOI:	10.1002/1521-4095(20020219)14:4<287::AID-ADMA287>3.0.CO;2-6