Jonathan Leiner: Frustrated Magnetism in Mott Insulating V2O3
Begin: 21.04.2021, 14:10
Location: ZOOM Meeting ID: 958 0426 7376

Adam Dubroka: Study of photo-induced insulator-to-metal transition and excited states in LaCoO3 using femtosecond pump-probe ellipsometry
Begin: 22.04.2021, 14:00
Location: Zoom Meeting ID: 967 5516 9898

Dalibor Repček: Magnetoelectric behaviour of EuTiO3 ceramics
Begin: 28.04.2021, 14:10
Location: ZOOM Meeting ID: 958 0426 7376

Title: Lukáš Nádvorník: Terahertz and optical spintronics in ferro- and antiferromagnets
Number: 3/21
Status: Closing date exceeded
Begin: Wednesday, 24.02. 2021, 14:10
Tutor: Vladimír Sechovský
Location: ZOOM Meeting ID: 958 0426 7376

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We have a pleasure to invite you to attend the joint seminar
of the Department of Condensed Matter Physics (DCMP)
and the Materials Growth and Measurement Laboratory (MGML)




Terahertz and optical spintronics in ferro- and antiferromagnets

lecture given by:

Lukáš Nádvorník

Department of Chemical Physics and Optics, Faculty of Mahtematics and Physics, Charles University,
Ke Karlovu 3, 121 16 Prague 2, Czech Republic
Meeting ID: 958 0426 7376 

on Wednesday, 24.2. 2021 from 14:10 CET (13.10 UTC) 

Passcode will be provided on request at  This e-mail address is being protected from spambots. You need JavaScript enabled to view it


Vladimír Sechovský
On behalf of the DCMP and MGML


After the recent progress in fields of ultrafast demagnetization [1] and intense terahertz (THz) sources [2], the THz spectroscopy has found its way to explore ultrafast spintronic phenomena. By covering energies from 0.4 to 200 meV, it complements optical pump-probe techniques by resonant probing of (overlapping) various excitations in solid states, such as electron scattering rate, spin-orbit interaction or antiferromagnetic resonance.

In this talk, we will show how time-resolved THz and optical spectroscopy can provide new insight into well established spintronic phenomena like anisotropic magnetoresistance[3], ultrafast demagnetization, or spin Hall and Seebeck effects [4,5], as well as the recently observed opto-electrical recording into antiferromagnetic metal CuMnAs [6].

[1] T. Seifert et al., Nature Phot. 10, 483 (2016).
[2] P. Němec et al., Nature Physics 14, 229 (2018).
[3] L. Nádvorník et al., arXiv:2010.06280 (2020).
[4] L. Nádvorník et al., Scientific Reports 6, 22901 (2016).
[5] T. Seifert et al., Nature Communications 9, 2899 (2018).
[6] Z. Kašpar et al., Nature Nanoelectronics 10, 1038 (2020).