Title :
Ultrafast non-thermal switching of the magnetization in (III, Mn)V ferromagnets
Author :
Perakis, Ilias E. ; Kapetanakis, M. ; Wang, Jiacheng
Author_Institution :
Inst. of Electron. Struct. & Laser, Found. for Res. & Technol.-Hellas, Heraklion, Greece
Abstract :
Using density matrix equations of motion and a tightbinding bandstructure calculation, we demonstrate nonthermal ultrafast spin switching in (Ga,Mn)As triggered by coherent photoexcitation and controlled by pump fluence and external magnetic field.
Keywords :
III-V semiconductors; band structure; ferromagnetic materials; gallium arsenide; magnetic switching; magnetisation; manganese compounds; photoexcitation; semimagnetic semiconductors; tight-binding calculations; (GaMn)As; coherent photoexcitation; density matrix motion equations; external magnetic field; ferromagnets; magnetization; nonthermal ultrafast spin switching; pump fluence; tight binding band structure calculation; Magnetic switching; Magnetization; Manganese; Optical switches; Perpendicular magnetic anisotropy; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
