Published December 1, 2021 | Version v1
Dataset Open

Spin-voltage-driven efficient terahertz spin currents from the magnetic Weyl semimetals Co2MnGa and Co2MnAl

  • 1. Fritz-Haber-Institute
  • 2. Max Planck Institute for Chemical Physics of Solids
  • 3. Freie Universität Berlin

Description

We study ultrafast optically driven spin injection from thin films of the magnetic Weyl semimetals Co2MnGa and Co2MnAl into an adjacent Pt layer by means of terahertz emission spectroscopy. The following datasets are provided: THz waveforms, THz emission-signal amplitudes (rms) vs pump power, scaled THz signals as a figure of merit in terms of spin-injection efficiency, corresponding broadband spectra and extracted spin currents.

Notes

We acknowledge funding by the German Research Foundation through the collaborative research center SFB TRR 227 "Ultrafast spin dynamics" (projects A05 and B02).

Files

WSM_Fig2a.txt

Files (255.5 kB)

Name Size Download all
md5:268b062e0698192ae0dd1a5a82ed97cc
95.5 kB Preview Download
md5:51a0ee2f862d89ca6f2cafd19f04c629
229 Bytes Preview Download
md5:211899f8c46566e6aa1bab62ffe098ee
65.6 kB Preview Download
md5:3a9bdda8aa59cb78ec7a53b84887f924
54.3 kB Preview Download
md5:cd7a601c729e70e45585b784a00d96b8
6.9 kB Preview Download
md5:a237b8776ba6280ce6cd277613e40514
32.9 kB Preview Download

Additional details

Related works

Is supplement to
Preprint: arXiv:2111.15599v1 (arXiv)

Funding

SKYTOP – Skyrmion-Topological insulator and Weyl semimetal technology 824123
European Commission