Publications of Tobias Kampfrath

Chekhov, A., Y. Behovits, J. Heitz, M.-A. Syskaki, S. Jaiswal, O. Gückstock, B. Rosinus Serrano, A. Ruge, J. Kredl, M. Wolf, M. Münzenberg, G. Jakob, M. Kläui, T. Seifert and T. Kampfrath: Distortion-free sampling of ultrabroadband terahertz electric fields by interfacial spin accumulation. Science Advances 11 (12), eadq7741 (2025).

Das Mohapatra, B., R. Rouzegar, E. Papaioannou, T. Kampfrath and G. Schmidt: Controlling charge dynamics in nanopatterned spintronic terahertz emitters. Physical Review Applied 23 (1), 014024 (2025).

Alostaz, A., O. Gueckstock, J. Tong, J. Kredl, C. In, M. Münzenberg, C.M. Schneider, T. Kampfrath and T.S. Seifert: Tunable ultrabroadband hybrid terahertz emitter combining a spintronic and a GaSe source. Applied Physics Letters 125 (21), 212402 (2024).

Rouzegar, R., M.A. Wahada, A. Chekhov, W. Hoppe, G. Bierhance, J. Jechumtál, L. Nádvorník, M. Wolf, T. Seifert, S.S.P. Parkin, G. Woltersdorf, P.W. Brouwer and T. Kampfrath: Terahertz Spin-Conductance Spectroscopy: Probing Coherent and Incoherent Ultrafast Spin Tunneling. Nano Letters 24 (26), 7852–7860 (2024).

Vaitsi, A., V. Sleziona, L. Parra Lopez, Y. Behovits, F. Schulz, N. Martin Sabanés, T. Kampfrath, M. Wolf, T.S. Seifert and M. Müller: Rotating spintronic terahertz emitter optimized for microjoule pump-pulse energies and megahertz repetition rates. Applied Physics Letters 125 (7), 071107 (2024).

Jechumtál, J., R. Rouzegar, O. Gückstock, C. Denker, W. Hoppe, Q. Remy, T. Seifert, P. Kubaščík, G. Woltersdorf, P.W. Brouwer, M. Münzenberg, T. Kampfrath and L. Nádvorník: Accessing Ultrafast Spin-Transport Dynamics in Copper Using Broadband Terahertz Spectroscopy. Physical Review Letters 132 (22), 226703 (2024).

Gückstock, O., N. Stojanovic, Y.K. Ha, T. Hagelschuer, A. Denker, G. Kourkafas, T. Seifert, T. Kampfrath and M. Gensch: Radiation hardness of ultrabroadband spintronic terahertz emitters: en-route to a space-qualified terahertz time-domain gas spectrometer. Applied Physics Letters 124 (14), 141103 (2024).

Frenzel, M., J. Urban, L. Nest, T. Kampfrath, M.S. Spencer and S.F. Maehrlein: Quartz as an accurate high-field low-cost THz helicity detector. Optica 11 (3), 362–370 (2024).

Seifert, T., D. Go, H. Hayashi, R. Rouzegar, F. Freimuth, K. Ando, Y. Mokrousov and T. Kampfrath: Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten. Nature Nanotechnology 18, 1132–1138 (2023).

Seifert, T., D. Go, H. Hayashi, R. Rouzegar, F. Freimuth, K. Ando, Y. Mokrousov and T. Kampfrath: Publisher Correction: Time-domain observation of ballistic orbital-angular-momentum currents with giant relaxation length in tungsten. Nature Nanotechnology 18 (10), 1254–1254 (2023).

Behovits, Y., A. Chekhov, S.Y. Bodnar, O. Gückstock, S. Reimers, Y. Lytvynenko, Y. Skourski, M. Wolf, T. Seifert, O. Gomonay, M. Kläui, M. Jourdan and T. Kampfrath: Terahertz Néel spin-orbit torques drive nonlinear magnon dynamics in antiferromagnetic Mn₂Au. Nature Communications 14, 6038 (2023).

Leitenstorfer, A., A.S. Moskalenko, T. Kampfrath, J. Kono, E.C.- Camus, K. Peng, N. Qureshi, D. Turchinovich, K. Tanaka, A.G. Markelz, M. Havenith, C. Hough, H.J. Joyce, W.J. Padilla, B. Zhou, K.-Y. Kim, X.-C. Zhang, P.U. Jepsen, S. Dhillon, M. Vitiello, E. Linfield, A.G. Davies, M.C. Hoffmann, R. Lewis, M. Tonouchi, P. Klarskov, T. Seifert, Y.A. Gerasimenko, D. Mihailovic, R. Huber, J.L. Boland, O. Mitrofanov, P. Dean, B.N. Ellison, P.G. Huggard, S.P. Rea, C. Walker, D.T. Leisawitz, J.R. Gao, C. Li, Q. Chen, G. Valušis, V.P. Wallace, E. Pickwell-MacPherson, X. Shang, J. Hesler, N. Ridler, C.C. Renaud, I. Kallfass, T. Nagatsuma, J.A. Zeitler, D. Arnone, M.B. Johnston and J. Cunningham: The 2023 Terahertz Science and Technology Roadmap. Journal of Physics D: Applied Physics 56 (22), 223001 (2023).

Frenzel, M., M. Cherasse, J. Urban, F. Wang, B. Xiang, L. Nest, L. Huber, L. Perfetti, M. Wolf, T. Kampfrath, X.-Y. Zhu and S.F. Maehrlein: Nonlinear terahertz control of the lead halide perovskite lattice. Science Advances 9 (21), eadg3856 (2023).

Rouzegar, R., A.L. Chekhov, Y. Behovits, B. Rosinus Serrano, M.A. Syskaki, C.H. Lambert, D. Engel, U. Martens, M. Münzenberg, M. Wolf, G. Jakob, M. Kläui, T. Seifert and T. Kampfrath: Broadband Spintronic Terahertz Source with Peak Electric Fields Exceeding 1.5 MV/cm. Physical Review Applied 19 (3), 034018 (2023).

Nádvorník, L., O. Gückstock, L. Braun, C. Niu, J. Gräfe, G. Richter, G. Schütz, H. Takagi, M. Zeer, T.S. Seifert, P. Kubaščík, A.K. Pandeya, A. Anane, H. Yang, A. Bedoya-Pinto, S.S.P. Parkin, M. Wolf, Y. Mokrousov, H. Nakamura and T. Kampfrath: Terahertz Spin-to-Charge Current Conversion in Stacks of Ferromagnets and the Transition-Metal Dichalcogenide NbSe₂. Advanced Materials Interfaces 9 (36), 2201675 (2022).

Rouzegar, S.M., L. Brandt, L. Nadvornik, D.A. Reiss, A. Chekhov, O. Gückstock, C. In, M. Wolf, T. Seifert, P.W. Brouwer, G. Woltersdorf and T. Kampfrath: Laser-induced terahertz spin transport in magnetic nanostructures arises from the same force as ultrafast demagnetization. Physical Review B 106 (14), 144427 (2022).

Vogel, T., A. Omar, S. Mansourzadeh, F. Wulf, N. Martín Sabanés, M. Müller, T.S. Seifert, A. Weigel, G. Jakob, M. Kläui, I. Pupeza, T. Kampfrath and C.J. Saraceno: Average power scaling of THz spintronic emitters efficiently cooled in reflection geometry. Optics Express 30 (12), 20451–20468 (2022).

Lu, P.-K., A.J.F. de Olvera, D. Turan, T.S. Seifert, N.T. Yardimci, T. Kampfrath, S. Preu and M. Jarrahi: Ultrafast carrier dynamics in terahertz photoconductors and photomixers: beyond short-carrier-lifetime semiconductors. Nanophotonics 11 (11), 2661–2691 (2022).

Ilyakov, I., N. Agarwal, J.-C. Deinert, J. Liu, A. Yaroslavtsev, L. Foglia, G. Kurdi, R. Mincigrucci, E. Principi, G. Jakob, M. Kläui, T. Seifert, T. Kampfrath, S. Kovalev, R.E. Carley, A.O. Scherz and M. Gensch: Terahertz-wave decoding of femtosecond extreme-ultraviolet light pulses. Optica 9 (5), 545–550 (2022).

Wahada, M.A., E. Şaşıoğlu, W. Hoppe, X. Zhou, H. Deniz, R. Rouzegar, T. Kampfrath, I. Mertig, S.S.P. Partkin and G. Woltersdorf: Atomic Scale Control of Spin Current Transmission at Interfaces. Nano Letters 22 (9), 3539–3544 (2022).