Keywords

compositional stability, FePt, annealing, nanoparticles, oxidation, diffusion

Abstract

The loss of Fe due to oxidation or diffusion into the substrate can prevent the successful preparation of well-ordered, stoichiometric, FePt nanoparticles. In this work we report the composition changes during annealing observed for small (<10 nm) FePt nanoparticles on thermally grown SiO2 layers on Si wafer substrates. Additionally, we describe the use of a controlled reducing gas mixture, Ar+H2+H2O, to reduce the loss of Fe.

Original Publication Citation

Yao, B., R. V. Petrova, R. R. Vanfleet, and K. R. Coffey."Compositional stability of FePt nanoparticles on SiO[sub 2]/Si during annealing." AIP, 26.

Document Type

Peer-Reviewed Article

Publication Date

2006-04-15

Permanent URL

http://hdl.lib.byu.edu/1877/1266

Publisher

AIP

Language

English

College

Physical and Mathematical Sciences

Department

Physics and Astronomy

Share

COinS