Ultrafast spin transport and magnetic order controlled by terahertz electromagnetic pulses

Publications

Laser-induced terahertz spin transport in magnetic nanostructures arises from the same force as ultrafast demagnetization

Author(s): Reza Rouzegar; Liane Brandt; Lukáš Nádvorník; David A. Reiss; Alexander L. Chekhov; Oliver Gueckstock; Chihun In; Martin Wolf; Tom S. Seifert; Piet W. Brouwer; Georg Woltersdorf; Tobias Kampfrath
Published in: Physical Review B, Issue 1, 2022, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.106.144427

The 2023 Terahertz Science and Technology Roadmap

Author(s): Alfred Leitenstorfer1, Andrey S. Moskalenko2, Tobias Kampfrath3, Junichiro Kono4, Enrique Castro-Camus5, Kun Peng6, Naser Qureshi7, Dmitry Turchinovich8, Koichiro Tanaka9, Andrea Markelz10, Martina Havenith11, Cameron Hough12, Hannah J Joyce13, Willie Padilla14, Binbin Zhou15, Ki-Yong Kim16, Xi-Cheng Zhang17, Peter Uhd Jepsen18, Sukhdeep Dhillon19, Miriam Serena Vitiello20, Edmund H Linfield21, Al
Published in: Journal of Physics D: Applied Physics, 2023, ISSN 1361-6463
Publisher: IOP
DOI: 10.1088/1361-6463/acbe4c

Ultrafast carrier dynamics in terahertz photoconductors and photomixers: beyond short-carrier-lifetime semiconductors

Author(s): Ping-Keng Lu, Anuar de Jesus Fernandez Olvera, Deniz Turan, Tom Sebastian Seifert, Nezih Tolga Yardimci, Tobias Kampfrath, Sascha Preu, Mona Jarrahi
Published in: Nanophotonics, 2022, ISSN 2192-8614
Publisher: de Gruyter
DOI: 10.1515/nanoph-2021-0785

The 2020 magnetism roadmap

Author(s): E Y Vedmedenko, R K Kawakami, D D Sheka, P Gambardella, A Kirilyuk, A Hirohata, C Binek, O Chubykalo-Fesenko, S Sanvito, B J Kirby, J Grollier, K Everschor-Sitte, T Kampfrath, C-Y You, A Berger
Published in: Journal of Physics D: Applied Physics, Issue 53/45, 2020, Page(s) 453001, ISSN 0022-3727
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-6463/ab9d98

Terahertz Sum-Frequency Excitation of a Raman-Active Phonon.

Author(s): Sebastian F. Maehrlein; Alexander Paarmann; Martin Wolf; Tobias Kampfrath; Tobias Kampfrath
Published in: Physical Review Letters, Issue 2, 2017, ISSN 1079-7114
Publisher: APS
DOI: 10.1103/physrevlett.119.127402

Average power scaling of THz spintronic emitters efficiently cooled in reflection geometry.

Author(s): Tim Vogel; Alan Omar; Samira Mansourzadeh; Frank Wulf; Natalia Martín Sabanés; Melanie Müller; Tom S. Seifert; Alexander Weigel; Gerhard Jakob; Mathias Kläui; Ioachim Pupeza; Tobias Kampfrath; Clara J. Saraceno
Published in: Optics Express, 2022, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.453539

Broadband Terahertz Probes of Anisotropic Magnetoresistance Disentangle Extrinsic and Intrinsic Contributions

Author(s): Lukáš Nádvorník, Martin Borchert, Liane Brandt, Richard Schlitz, Koen A. de Mare, Karel Výborný, Ingrid Mertig, Gerhard Jakob, Matthias Kläui, Sebastian T. B. Goennenwein, Martin Wolf, Georg Woltersdorf, and Tobias Kampfrath
Published in: Physical Review X, 2021, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.1103/physrevx.11.021030

Ultrafast Demagnetization of Iron Induced by Optical versus Terahertz Pulses

Author(s): A. L. Chekhov; Y. Behovits; J. J. F. Heitz; C. Denker; D. A. Reiss; M. Wolf; M. Weinelt; P. W. Brouwer; M. Münzenberg; T. Kampfrath
Published in: Physical Review X, 2021, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.17169/refubium-33623

High-Throughput Techniques for Measuring the Spin Hall Effect

Author(s): Markus Meinert; Björn Gliniors; Oliver Gueckstock; Oliver Gueckstock; Tom Seifert; Tom Seifert; Lukas Liensberger; Mathias Weiler; Mathias Weiler; Sebastian Wimmer; Hubert Ebert; Tobias Kampfrath; Tobias Kampfrath
Published in: Physical Review Applied, 2020, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.14.064011

Terahertz Spin-to-Charge Conversion by Interfacial Skew Scattering in Metallic Bilayers

Author(s): Oliver Gueckstock, Lukáš Nádvorník, Martin Gradhand, Tom Sebastian Seifert, Genaro Bierhance, Reza Rouzegar, Martin Wolf, Mehran Vafaee, Joel Cramer, Maria Andromachi Syskaki, Georg Woltersdorf, Ingrid Mertig, Gerhard Jakob, Mathias Kläui, Tobias Kampfrath
Published in: Advanced Materials, 2021, ISSN 1521-4095
Publisher: Wiley
DOI: 10.1002/adma.202006281

Transition of laser-induced terahertz spin currents from torque- to conduction-electron-mediated transport

Author(s): Pilar Jiménez-Cavero; Oliver Gueckstock; Lukáš Nádvorník; Irene Lucas; Tom S. Seifert; Martin Wolf; Reza Rouzegar; Piet W. Brouwer; Sven Becker; Gerhard Jakob; Mathias Kläui; Chenyang Guo; Caihua Wan; Xiufeng Han; Zuanming Jin; Hui Zhao; Di Wu; Luis Morellón; Tobias Kampfrath
Published in: Physical Review B, 2022, ISSN 2469-9969
Publisher: APS
DOI: 10.25358/openscience-7464

Phase-Resolved Detection of Ultrabroadband THz Pulses inside a Scanning Tunneling Microscope Junction

Author(s): Melanie Müller, Natalia Martín Sabanés, Tobias Kampfrath, Martin Wolf
Published in: ACS Photonics, Issue 7/8, 2020, Page(s) 2046-2055, ISSN 2330-4022
Publisher: American Chemical Society
DOI: 10.1021/acsphotonics.0c00386

Sum-frequency ionic Raman scattering

Author(s): Dominik M. Juraschek; Sebastian F. Maehrlein; Sebastian F. Maehrlein
Published in: Physical Review B, 2018, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.97.174302

Frequency‐Independent Terahertz Anomalous Hall Effect in DyCo5, Co32Fe68, and Gd27Fe73 Thin Films from DC to 40 THz

Author(s): Tom Seifert; Tom Seifert; Ulrike Martens; Florin Radu; Mirkow Ribow; Marco Berritta; L. Nadvornik; R. Starke; Tomas Jungwirth; Tomas Jungwirth; Martin Wolf; Ilie Radu; Markus Münzenberg; Peter M. Oppeneer; Georg Woltersdorf; Tobias Kampfrath; Tobias Kampfrath
Published in: Advanced Materials, Issue 2, 2021, ISSN 1521-4095
Publisher: Wiley
DOI: 10.1002/adma.202007398

The sign of the polarizability anisotropy of polar molecules is obtained from the terahertz Kerr effect

Author(s): Tobias Kampfrath, Martin Wolf, Mohsen Sajadi
Published in: Chemical Physics Letters, Issue 692, 2018, Page(s) 319-323, ISSN 0009-2614
Publisher: Elsevier BV
DOI: 10.1016/j.cplett.2017.12.061

Complex Terahertz and Direct Current Inverse Spin Hall Effect in YIG/Cu 1– x Ir x Bilayers Across a Wide Concentration Range

Author(s): Joel Cramer, Tom Seifert, Alexander Kronenberg, Felix Fuhrmann, Gerhard Jakob, Martin Jourdan, Tobias Kampfrath, Mathias Kläui
Published in: Nano Letters, Issue 18/2, 2018, Page(s) 1064-1069, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.7b04538

The Nature of the Dielectric Response of Methanol Revealed by the Terahertz Kerr Effect

Author(s): Tobias Kampfrath, R. Kramer Campen, Martin Wolf, Mohsen Sajadi
Published in: The Journal of Physical Chemistry Letters, Issue 9/6, 2018, Page(s) 1279-1283, ISSN 1948-7185
Publisher: American Chemical Society
DOI: 10.1021/acs.jpclett.7b03281

Terahertz electrical writing speed in an antiferromagnetic memory

Author(s): Kamil Olejník, Tom Seifert, Zdeněk Kašpar, Vít Novák, Peter Wadley, Richard P. Campion, Manuel Baumgartner, Pietro Gambardella, Petr Němec, Joerg Wunderlich, Jairo Sinova, Petr Kužel, Melanie Müller, Tobias Kampfrath, Tomas Jungwirth
Published in: Science Advances, Issue 4/3, 2018, Page(s) eaar3566, ISSN 2375-2548
Publisher: AAAS
DOI: 10.1126/sciadv.aar3566

Terahertz spectroscopy for all-optical spintronic characterization of the spin-Hall-effect metals Pt, W and Cu 80 Ir 20

Author(s): T S Seifert, N M Tran, O Gueckstock, S M Rouzegar, L Nadvornik, S Jaiswal, G Jakob, V V Temnov, M Münzenberg, M Wolf, M Kläui, T Kampfrath
Published in: Journal of Physics D: Applied Physics, Issue 51/36, 2018, Page(s) 364003, ISSN 0022-3727
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-6463/aad536

Antiferromagnetic opto-spintronics

Author(s): P. Němec, M. Fiebig, T. Kampfrath, A. V. Kimel
Published in: Nature Physics, Issue 14/3, 2018, Page(s) 229-241, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-018-0051-x

Femtosecond formation dynamics of the spin Seebeck effect revealed by terahertz spectroscopy

Author(s): Tom S. Seifert, Samridh Jaiswal, Joseph Barker, Sebastian T. Weber, Ilya Razdolski, Joel Cramer, Oliver Gueckstock, Sebastian F. Maehrlein, Lukas Nadvornik, Shun Watanabe, Chiara Ciccarelli, Alexey Melnikov, Gerhard Jakob, Markus Münzenberg, Sebastian T. B. Goennenwein, Georg Woltersdorf, Baerbel Rethfeld, Piet W. Brouwer, Martin Wolf, Mathias Kläui, Tobias Kampfrath
Published in: Nature Communications, Issue 9/1, 2018, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-018-05135-2

Dissecting spin-phonon equilibration in ferrimagnetic insulators by ultrafast lattice excitation

Author(s): Sebastian F. Maehrlein, Ilie Radu, Pablo Maldonado, Alexander Paarmann, Michael Gensch, Alexandra M. Kalashnikova, Roman V. Pisarev, Martin Wolf, Peter M. Oppeneer, Joseph Barker, Tobias Kampfrath
Published in: Science Advances, Issue 4/7, 2018, Page(s) eaar5164, ISSN 2375-2548
Publisher: AAAS
DOI: 10.1126/sciadv.aar5164

Magnetic field dependence of antiferromagnetic resonance in NiO

Author(s): Zhe Wang, S. Kovalev, N. Awari, Min Chen, S. Germanskiy, B. Green, J.-C. Deinert, T. Kampfrath, J. Milano, M. Gensch
Published in: Applied Physics Letters, Issue 112/25, 2018, Page(s) 252404, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/1.5031213

Impact of pump wavelength on terahertz emission of a cavity-enhanced spintronic trilayer

Author(s): R. I. Herapath, S. M. Hornett, T. S. Seifert, G. Jakob, M. Kläui, J. Bertolotti, T. Kampfrath, E. Hendry
Published in: Applied Physics Letters, Issue 114/4, 2019, Page(s) 041107, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/1.5048297

Laser‐Driven Strong‐Field Terahertz Sources

Author(s): József András Fülöp, Stelios Tzortzakis, Tobias Kampfrath
Published in: Advanced Optical Materials, Issue 8/3, 2019, Page(s) 1900681, ISSN 2195-1071
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA
DOI: 10.1002/adom.201900681

Antenna-coupled spintronic terahertz emitters driven by a 1550 nm femtosecond laser oscillator

Author(s): U. Nandi, M. S. Abdelaziz, S. Jaiswal, G. Jakob, O. Gueckstock, S. M. Rouzegar, T. S. Seifert, M. Kläui, T. Kampfrath, S. Preu
Published in: Applied Physics Letters, Issue 115/2, 2019, Page(s) 022405, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/1.5089421

Ultrabroadband single-cycle terahertz pulses with peak fields of 300 kV cm −1 from a metallic spintronic emitter

Author(s): T. Seifert, S. Jaiswal, M. Sajadi, G. Jakob, S. Winnerl, M. Wolf, M. Kläui, T. Kampfrath
Published in: Applied Physics Letters, Issue 110/25, 2017, Page(s) 252402, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/1.4986755

Transient birefringence of liquids induced by terahertz electric-field torque on permanent molecular dipoles

Author(s): Mohsen Sajadi, Martin Wolf, Tobias Kampfrath
Published in: Nature Communications, Issue 8, 2017, Page(s) 14963, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/ncomms14963

Efficient metallic spintronic emitters of ultrabroadband terahertz radiation

Author(s): T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, T. Kampfrath
Published in: Nature Photonics, Issue 10/7, 2016, Page(s) 483-488, ISSN 1749-4885
Publisher: Nature Pub. Group
DOI: 10.1038/nphoton.2016.91

Terahertz-Driven Nonlinear Spin Response of Antiferromagnetic Nickel Oxide

Author(s): S. Baierl, J. H. Mentink, M. Hohenleutner, L. Braun, T.-M. Do, C. Lange, A. Sell, M. Fiebig, G. Woltersdorf, T. Kampfrath, R. Huber
Published in: Physical Review Letters, Issue 117/19, 2016, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.117.197201

Ultrafast photocurrents at the surface of the three-dimensional topological insulator Bi2Se3

Author(s): Lukas Braun, Gregor Mussler, Andrzej Hruban, Marcin Konczykowski, Thomas Schumann, Martin Wolf, Markus Münzenberg, Luca Perfetti, Tobias Kampfrath
Published in: Nature Communications, Issue 7, 2016, Page(s) 13259, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/ncomms13259

Probing ultra-fast processes with high dynamic range at 4th-generation light sources: Arrival time and intensity binning at unprecedented repetition rates

Author(s): S. Kovalev, B. Green, T. Golz, S. Maehrlein, N. Stojanovic, A. S. Fisher, T. Kampfrath, M. Gensch
Published in: Structural Dynamics, Issue 4/2, 2017, Page(s) 024301, ISSN 2329-7778
Publisher: American Institute of Physics
DOI: 10.1063/1.4978042

Nonlinear spin control by terahertz-driven anisotropy fields

Author(s): S. Baierl, M. Hohenleutner, T. Kampfrath, A. K. Zvezdin, A. V. Kimel, R. Huber, R. V. Mikhaylovskiy
Published in: Nature Photonics, Issue 10/11, 2016, Page(s) 715-718, ISSN 1749-4885
Publisher: Nature Pub. Group
DOI: 10.1038/nphoton.2016.181

Terahertz Spin Currents and Inverse Spin Hall Effect in Thin-Film Heterostructures Containing Complex Magnetic Compounds

Author(s): T. Seifert, U. Martens, S. Günther, M. A. W. Schoen, F. Radu, X. Z. Chen, I. Lucas, R. Ramos, M. H. Aguirre, P. A. Algarabel, A. Anadón, H. S. Körner, J. Walowski, C. Back, M. R. Ibarra, L. Morellón, E. Saitoh, M. Wolf, C. Song, K. Uchida, M. Münzenberg, I. Radu, T. Kampfrath
Published in: SPIN, Issue 7, 2017, Page(s) 1740010, ISSN 2010-3247
Publisher: World Scientific
DOI: 10.1142/s2010324717400100

Terahertz-wave decoding of femtosecond extreme-ultraviolet light pulses

Author(s): I. Ilyakov; N. Agarwal; J.-C. Deinert; J. Liu; A. Yaroslavtsev; L. Foglia; G. Kurdi; R. Mincigrucci; E. Principi; G. Jakob; M. Kläui; T. S. Seifert; T. Kampfrath; S. Kovalev; R. E. Carley; A. O. Scherz; M. Gensch
Published in: Optica, 2022, ISSN 2334-2536
Publisher: OSA
DOI: 10.17169/refubium-35190

Terahertz Spin-to-Charge Current Conversion in Stacks of Ferromagnets and the Transition-Metal Dichalcogenide NbSe2

Author(s): Lukáš Nádvorník, Oliver Gueckstock, Lukas Braun, Chengwang Niu, Joachim Gräfe, Gunther Richter, Gisela Schütz, Hidenori Takagi, Mahmoud Zeer, Tom S. Seifert, Peter Kubaščík, Avanindra K. Pandeya, Abdelmadjid Anane, Heejun Yang, Amilcar Bedoya-Pinto, Stuart S. P. Parkin, Martin Wolf, Yuriy Mokrousov, Hiroyuki Nakamura, Tobias Kampfrath
Published in: Advanced Materials Interfaces, 2022, ISSN 2196-7350
Publisher: Wiley
DOI: 10.1002/admi.202201675

"Optically Gated Terahertz-Field-Driven Switching of Antiferromagnetic <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML"" display=""inline"" overflow=""scroll""><mml:mrow><mml:mi>Cu</mml:mi><mml:mi>Mn</mml:mi><mml:mi>As</mml:mi></mml:mrow></mml:math>"

Author(s): Heitz, J.J.F.; Nádvorník, L.; Balos, V.; Behovits, Y.; Chekhov, A.L.; Seifert, T.S.; Olejník, K.; Kašpar, Z.; Geishendorf, K.; Novák, V.; Campion, R.P.; Wolf, M.; Jungwirth, T.; Kampfrath, T.
Published in: Physical Review Applied, 2021, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.16.064047

Modulating the polarization of broadband terahertz pulses from a spintronic emitter at rates up to 10 kHz

Author(s): Oliver Gueckstock, Lukáš Nádvorník, Tom S. Seifert, Martin Borchert, Gerhard Jakob, Georg Schmidt, Georg Woltersdorf, Mathias Kläui, Martin Wolf, and Tobias Kampfrath
Published in: Optica, 2021, ISSN 2334-2536
Publisher: OSA
DOI: 10.1364/optica.430504

Impact of gigahertz and terahertz transport regimes on spin propagation and conversion in the antiferromagnet IrMn

Author(s): O. Gueckstock; R. L. Seeger; T. S. Seifert; S. Auffret; S. Gambarelli; J. N. Kirchhof; K. I. Bolotin; V. Baltz; T. Kampfrath; L. Nádvorník
Published in: Applied Physics Letters, 2022, ISSN 1077-3118
Publisher: AIP
DOI: 10.1063/5.0077868

Ultrafast photocurrents in MoSe2 probed by terahertz spectroscopy

Author(s): Denis Yagodkin; L. Nadvornik; L. Nadvornik; Oliver Gueckstock; Oliver Gueckstock; Cornelius Gahl; Tobias Kampfrath; Tobias Kampfrath; Kirill I. Bolotin
Published in: 2D Materials, Issue 1, 2021, ISSN 2053-1583
Publisher: IOP
DOI: 10.17169/refubium-29491

On-Chip Generation of Ultrafast Current Pulses by Nanolayered Spintronic Terahertz Emitters

Author(s): Wolfgang Hoppe, Jonathan Weber, Saban Tirpanci, Oliver Gueckstock, Tobias Kampfrath, and Georg Woltersdorf*
Published in: ACS Applied Nano Materials, 2021, ISSN 2574-0970
Publisher: ACS
DOI: 10.1021/acsanm.1c01449

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Spintronic terahertz emitter

Application/Publication number: EPO 4080178
Date: 2021-04-23

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