FeCo-Au core-shell nanocrystals

Yun Hao Xu, Jian Ping Wang

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28 Scopus citations


A one-step synthesis of heterostructured high magnetic moment FeCo-Au nanocrystals was demonstrated. The nanocrystals possess a cubic shape and have an average size of 30 nm. Compositional analysis revealed the detailed distribution of each element within the nanocrystal. The crystalline structure of the components and their epitaxial relationship were determined by structural analysis. The heterostructured FeCo-Au nanocrystals are promising in biomedical applications as well as in fundamental studies of interactions in the nanoscale.

Original languageEnglish (US)
Article number233107
JournalApplied Physics Letters
Issue number23
StatePublished - 2007

Bibliographical note

Funding Information:
The authors thank NanoBiotechnology Initiative at University of Minnesota for part of the financial support. Parts of this work were carried out in the Minnesota Characterization Facility which receives partial support from NSF through the NNIN program. Use of the National Synchrotron Light Source, Brookhaven National Laboratory, was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-98CH10886. The authors thank Dr. Joysurya Basu for the help in EDS measurements and HRTEM, Dr. Joseph Dvorak for the help in XMCD measurement.


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