Title :
Ultrafast magnetization dynamics in cobalt nanoparticles studied with femtosecond laser pulses
Author :
Laraoui, A. ; Halte, V. ; Andrade, L.H.F. ; Bigot, J.-Y.
Author_Institution :
Inst. de Phys. et Chimie des Mater. de Strasbourg, Univ. Louis Pasteur, Strasbourg
Abstract :
We study the trajectory of the magnetization in cobalt nanoparticles using femtosecond pulses. We show that the initial pathway of the magnetization vector is mostly determined by the magnetic anisotropy of the assembly of nanoparticles.
Keywords :
cobalt; ferromagnetic materials; high-speed optical techniques; magnetic anisotropy; magnetic particles; nanoparticles; Co; cobalt nanoparticles; femtosecond laser pulses; magnetic anisotropy; ultrafast magnetization dynamics; Assembly; Cobalt; Demagnetization; Electrons; Magnetization; Nanoparticles; Optical pulses; Probes; Temperature; Ultrafast optics; 160.3820; 320.7130;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
