Abstract
The phase transformation from fcc to L10 in FePt nanoparticles was investigated in both thick film samples and self-assembled arrays as a function of the annealing temperature, using transmission electron microscopy, x-ray diffraction, differential scanning calorimetry, and magnetometry. A significant fraction of the surfactant decomposes into gaseous products below 500 °C, removing the steric barrier between particle cores. This causes the particles to coalesce at the same annealing temperatures where the transformation to the high anisotropy phase occurs.
References
10
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Dates
Type | When |
---|---|
Created | 22 years, 3 months ago (May 15, 2003, 7:33 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 9:38 p.m.) |
Indexed | 1 year, 4 months ago (April 6, 2024, 1:53 p.m.) |
Issued | 22 years, 3 months ago (May 15, 2003) |
Published | 22 years, 3 months ago (May 15, 2003) |
Published Print | 22 years, 3 months ago (May 15, 2003) |
@article{Ding_2003, title={Phase transformation and magnetic moment in FePt nanoparticles}, volume={93}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1544495}, DOI={10.1063/1.1544495}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Ding, Y. and Yamamuro, S. and Farrell, D. and Majetich, S. A.}, year={2003}, month=may, pages={7411–7413} }