Title :
Probing giant magnetoresistance with THz spectroscopy
Author :
Zuanming Jin ; Tkach, Alexander ; Casper, Frederick ; Spetter, Victor ; Grimm, Hubert ; Klaui, Mathias ; Bonn, Mischa ; Turchinovich, Dmitry
Author_Institution :
Max Planck Inst. for Polymer Res., Mainz, Germany
Abstract :
We observe a giant magnetoresistance effect in CoFe/Cu-based multistack using THz time-domain spectroscopy. The magnetic field-dependent dc conductivity, electron scattering time, as well as spin-asymmetry parameter of the structure are successfully determined.
Keywords :
cobalt alloys; copper; giant magnetoresistance; iron alloys; magnetic multilayers; terahertz wave spectra; CoFe-Cu; THz time-domain spectroscopy; electron scattering time; giant magnetoresistance effect; magnetic field-dependent dc conductivity; spin-asymmetry parameter; Conductivity; Conductivity measurement; Magnetic field measurement; Magnetic fields; Scattering; Spectroscopy; Temperature measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
