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Proceedings Paper

Ultrafast spin precession and transport controlled and probed with terahertz radiation
Author(s): T. Kampfrath; M. Battiato; A. Sell; F. Freimuth; A. Leitenstorfer; M. Wolf; R. Huber; P. M. Oppeneer; M. Münzenberg
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Paper Abstract

Terahertz (THz) electromagnetic radiation is located between the realms of electronics and optics and has successfully been used to probe and even control numerous low-energy excitations including phonons, excitons and Cooper pairs. Here, we show that THz spectroscopy is also a highly useful tool in the field of ultrafast spinbased electronics (spintronics) and consider the resonant manipulation of the magnetization of an antiferromagnet (through the THz Zeeman torque) and the probing of the tailored transport of spin density from a ferromagnetic into a nonmagnetic metal (through the THz inverse spin Hall effect).

Paper Details

Date Published: 7 March 2014
PDF: 9 pages
Proc. SPIE 8984, Ultrafast Phenomena and Nanophotonics XVIII, 898415 (7 March 2014); doi: 10.1117/12.2039000
Show Author Affiliations
T. Kampfrath, Fritz-Haber-Institut der Max-Planck-Gesellschaft (Germany)
M. Battiato, Uppsala Univ. (Sweden)
A. Sell, Univ. Konstanz (Germany)
F. Freimuth, Peter-Grunberg-Institut and Institute for Advanced Simulation (Germany)
A. Leitenstorfer, Univ. Konstanz (Germany)
M. Wolf, Fritz-Haber-Institut der Max-Planck-Gesellschaft (Germany)
R. Huber, Univ. Regensburg (Germany)
P. M. Oppeneer, Uppsala Univ. (Sweden)
M. Münzenberg, Georg-August-Univ. Göttingen (Germany)

Published in SPIE Proceedings Vol. 8984:
Ultrafast Phenomena and Nanophotonics XVIII
Markus Betz; Abdulhakem Y. Elezzabi; Jin-Joo Song; Kong-Thon Tsen, Editor(s)

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