Sub-100-ps dynamics of the anomalous Hall effect at terahertz frequencies

T. J. Huisman, R. V. Mikhaylovskiy, Th. Rasing, A. V. Kimel, A. Tsukamoto, B. de Ronde, L. Ma, W. J. Fan, and S. M. Zhou
Phys. Rev. B 95, 094418 – Published 13 March 2017

Abstract

We report about the anomalous Hall effect in 4f 3d metallic alloys measured using terahertz time-domain spectroscopy. In this way, we succeeded in revealing ultrafast dynamics of the anomalous Hall effect which accompanies the sub-100-ps optically induced magnetization reversal in a GdFeCo alloy. The experiments demonstrate the ability to control currents at terahertz frequencies in spintronic devices magnetically and ultrafast.

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  • Received 26 September 2016
  • Revised 16 December 2016

DOI:https://doi.org/10.1103/PhysRevB.95.094418

©2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

T. J. Huisman*, R. V. Mikhaylovskiy, Th. Rasing, and A. V. Kimel

  • Radboud University, Institute for Molecules and Materials, 6525 AJ Nijmegen, The Netherlands

A. Tsukamoto

  • College of Science and Technology, Nihon University, 7-24-1 Funabashi, Chiba, Japan

B. de Ronde

  • MESA+ Institute for Nanotechnology, University of Twente, 7500 AE Enschede, The Netherlands

L. Ma, W. J. Fan, and S. M. Zhou

  • Shanghai Key Laboratory of Special Artificial Microstructure and Pohl Institute of Solid State Physics and School of Physics Science and Engineering, Tongji University, Shanghai 200092, China

  • *t.huisman@science.ru.nl

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Issue

Vol. 95, Iss. 9 — 1 March 2017

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