Magnetic properties of FePt nanoparticles annealed with NaCl

Authors :: Jones, B.A.
Dutson, J.D.
O'Grady, K.
Hickey, B.J.
Li, Daren
Poudyal, Narayan
Liu, J. Ping.
Source :: IEEE Transactions on Magnetics. Oct, 2006, Vol. 42 Issue 10, p3066, 3 p.
Publication Year :: 2006
Abstract: FePt nanoparticles have the potential to extend the data density of magnetic recording beyond 1 Tbit/[in.sup.2]. The phase transformation from low anisotropy, face-centered cubic to face-centered tetragonal with high anisotropy is essential and complex. The samples measured in this paper were annealed in a mixture with fine ground ( Index Terms--FePt nanoparticle, [L1.sub.0] phase, phase transformation.