Title :
Experimental distinction between femtosecond transient demagnetization and spin current dynamics in metals
Author :
Zuanming Jin ; Arabski, Jacek ; Schmerber, Guy ; Beaurepaire, Eric ; Bonn, Mischa ; Turchinovich, Dmitry
Author_Institution :
Max Planck Inst. for Polymer Res., Mainz, Germany
Abstract :
Using terahertz emission spectroscopy we probe the elementary spin dynamics in ferromagnetic metal on a femtosecond timescale, and distinguish between the two major contributions - transient demagnetization and spin current by hot electrons.
Keywords :
demagnetisation; ferromagnetism; high-speed optical techniques; hot carriers; magneto-optical effects; spin dynamics; terahertz wave spectra; elementary spin dynamics; femtosecond timescale; femtosecond transient demagnetization; ferromagnetic metal; hot electrons; spin current dynamics; terahertz emission spectroscopy; Demagnetization; Films; Iron; Magnetization; Transient analysis; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
