Self-assembled FePt nanodot arrays with mono-dispersion and -orientation

Zheng Gai; J. Y. Howe; Jiandong Guo; D. A. Blom; E. W. Plummer; J. Shen

doi:10.1063/1.1849849

Self-assembled FePt nanodot arrays with mono-dispersion and -orientation

Zheng Gai, J. Y. Howe, Jiandong Guo, D. A. Blom, E. W. Plummer, J. Shen

Scanning Tunneling Microscopy Group

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

41 Scopus citations

Abstract

For self-assembled nanodots, the ultimate dream is to simultaneously achieve tunable uniformity in size, spatial distribution, chemical composition, and crystallographic orientation. By utilizing the Volmer-Weber growth mode in thin film epitaxy, we have grown self-assembled two-dimensional arrays of FePt alloy nanodots that are uniform in size, chemical composition, and are all crystallgraphically aligned. These dot assemblies are ferromagnetic at room temperature and can be easily transferred onto other templates without destroying the size and orientation uniformity.

Original language	English
Article number	023107
Pages (from-to)	023107-1-023107-3
Journal	Applied Physics Letters
Volume	86
Issue number	2
DOIs	https://doi.org/10.1063/1.1849849
State	Published - Jan 10 2005

Funding

This work was supported by Oak Ridge National Laboratory (ORNL), managed by UT-Battelle, LLC for the U. S. Department of Energy under Contract No. DE-AC05-00OR22725, and by the U.S. National Science Foundation under Contract No. DMR 0105232.

Funders	Funder number
National Science Foundation	DMR 0105232
U.S. Department of Energy	DE-AC05-00OR22725
Oak Ridge National Laboratory
UT-Battelle

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Self-assembled FePt nanodot arrays with mono-dispersion and -orientation

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