Purification and magnetic interrogation of hybrid Au-Fe3O 4 and FePt-Fe3O4 nanoparticles

Jacob S. Beveridge; Matthew R. Buck; James F. Bondi; Rajiv Misra; Peter Schiffer; Raymond E. Schaak; Mary Elizabeth Williams

doi:10.1002/anie.201104829

Purification and magnetic interrogation of hybrid Au-Fe₃O ₄ and FePt-Fe₃O₄ nanoparticles

Jacob S. Beveridge
, Matthew R. Buck
, James F. Bondi
, Rajiv Misra
, Peter Schiffer
, Raymond E. Schaak
, Mary Elizabeth Williams

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

Purifying heterodimers: Differential magnetic catch and release separation is used to purify two important hybrid nanocrystal systems, Au-Fe ₃O₄ and FePt-Fe₃O₄. The purified samples have substantially different magnetic properties compared to the as-synthesized materials: the magnetization values are more accurate and magnetic polydispersity is identified in morphologically similar hybrid nanoparticles.

Original language	English (US)
Pages (from-to)	9875-9879
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	50
Issue number	42
DOIs	https://doi.org/10.1002/anie.201104829
State	Published - Oct 10 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Chemistry
Catalysis

Keywords

heterostructures
hybrid nanocrystals
magnetic nanoparticles
nanostructures
purification

Access to Document

10.1002/anie.201104829

Cite this

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abstract = "Purifying heterodimers: Differential magnetic catch and release separation is used to purify two important hybrid nanocrystal systems, Au-Fe 3O4 and FePt-Fe3O4. The purified samples have substantially different magnetic properties compared to the as-synthesized materials: the magnetization values are more accurate and magnetic polydispersity is identified in morphologically similar hybrid nanoparticles.",

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AU - Schiffer, Peter

AU - Schaak, Raymond E.

AU - Williams, Mary Elizabeth

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KW - hybrid nanocrystals

KW - magnetic nanoparticles

KW - nanostructures

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