Publications
| Preprint | X-ray View of Light-Induced Spin Reorientation in TmFeO3: Direct Observation of a 90° Néel Vector Rotation S. Jana, R. Knut, D. Afanasiev, N. Pontius, C. Schüßler-Langeheine, C. Tzschaschel, D. Schick, A.V. Kimel, O. Karis, C. v. Korff Schmising, and S. Eisebitt. arXiv:2505.22462. |
| 19 | Topological Metal-Insulator Transition within the Ferromagnetic state O.K. Forslund, C.S. Ong, M.M. Hirschmann, N. Gauthier, H. Uchiyama, C. Tzschaschel, D.G. Mazzone, R. Sibille, A.M. dos Santos, M. Horio, E. Nocerino, N. Matsubara, D.J. Mukkattukavil, K. Papadopoulos, K. Kamazawa, K. Ikeuchi, H. Takagi, M. Isobe, J. Sugiyama, J. Chang, Y. Sassa, O. Eriksson, and M. Månsson. Nature Communications 17, 2112 (2026). |
| 18 | Evidence of an exchange-based origin of demagnetization from the fluence dependent delay of Ni in a disordered Fe0.5Ni0.5 alloy S. Jana, R. Knut, P. Singh, K. Yao, C. Tzschaschel, J. Richter, D. Schick, D. Sommer, D. Engel, O. Karis, C. v. Korff Schmising, and S. Eisebitt. Physical Review B 112, 214412 (2025). |
| 17 | Signatures of quantum spin liquid state and unconventional transport in thin film TbInO3 J. Nordlander, M.A. Anderson, T. Chiang, A. Kaczmarek, N. Pokhrel, K. Talit, S. Doyle, E. Mercer, C. Tzschaschel, J.-H. Son, H. El-Sherif, C.M. Brooks, E.-A. Kim, A. de la Torre, I. El Baggari, E.A. Nowadnick, K.C. Nowack, J.T. Heron, and J.A. Mundy. Nature Communications 16, 9469 (2025). |
| 16 | Observation of the Axion quasiparticle in 2D MnBi2Te4 J.-X. Qiu, B. Ghosh, J. Schütte-Engel, T. Qian, M. Smith, Y.-T. Yao, J. Ahn, Y.-F. Liu, A. Gao, C. Tzschaschel, H. Li, I. Petrides, D. Bérubé, T. Dinh, T. Huang, O. Liebmann, E.M. Been, J.M. Blawat, K. Watanabe, T. Taniguchi, K.C. Fong, H. Lin, P.P. Orth, P. Narang, C. Felser, T.- R. Chang, R. McDonald, R.J. McQueeney, A. Bansil, I. Martin, N. Ni, Q. Ma, D.J.E. Marsh, A. Vishwanath, and S.-Y. Xu. Nature 641, 62 (2025). |
| 15 | Evidence of Relativistic Field-Derivative Torque in Nonlinear THz Response of Magnetization Dynamics A. Dutta, C. Tzschaschel, D. Priyadarshi, K. Mikuni, T. Satoh, R. Mondal, and S. Pal. Advanced Functional Materials 35, 2414582 (2025). |
| 14 | Coexistence of multi-scale domains in ferroelectric polycrystals with non-uniform grain-size distributions K. Wolk, R.S. Dragland, E. Chavez Panduro, L. Richarz, Z. Yan, E. Bourret, K.A. Hunnestad, C. Tzschaschel, J. Schultheiß, and D. Meier. Matter 7, 3097 (2024). |
| 13 | An antiferromagnetic diode effect in even-layered MnBi2Te4 A. Gao, S.-W. Chen, B. Ghosh, J.-X. Qiu, Y.-F. Liu, Y. Onishi, C. Hu, T. Qian, D. Bérubé, T. Dinh, H.-C. Li, C. Tzschaschel, S. Park, T. Huang, S.-W. Lien, Z. Sun, S.-C. Ho, B. Singh, K. Watanabe, T. Taniguchi, D. Bell, A. Bansil, H. Lin, T.-R. Chang, A. Yacoby, N. Ni, L. Fu, Q. Ma, and S.-Y. Xu. Nature Electronics 7, 751 (2024). |
| 12 | Nonlinear optical diode effect in a magnetic Weyl semimetal C. Tzschaschel, J.-X. Qiu, X.-J. Gao, H.-C. Li, C. Guo, H.-Y. Yang, C.-P. Zhang, Y.-M. Xie, Y.-F. Liu, A. Gao, D. Bérubé, T. Dinh, S.-C. Ho, Y. Fang, F. Huang, J. Nordlander, Q. Ma, F. Tafti, P.J.W. Moll, K.T. Law, and S.-Y. Xu. Nature Communications 15, 3017 (2024). |
| 11 | Quantum metric nonlinear Hall effect in a topological antiferromagnetic heterostructure A. Gao, Y.-F. Liu, J.-X. Qiu, B. Ghosh, T. Victa Travisan, Y. Onishi, C. Hu, T. Qian, H.-J. Tien, S. Chen, M. Huang, D. Bérubé, H.-C. Li, C. Tzschaschel, T. Dinh, Z. Sun, S.-C. Ho, S.-W. Lien, B. Singh, K. Watanabe, T. Taniguchi, D. Bell, H. Lin, T.-R. Chang, C.R. Du, A. Bansil, L. Fu, N. Ni, P. Orth, Q. Ma, and S.-Y. Xu. Science 381, 181 (2023). |
| 10 | Axion optical induction of antiferromagnetic order J.-X. Qiu, C. Tzschaschel, J. Ahn, A. Gao, H.-C. Li, X.-Y. Zhang, B. Ghosh, C. Hu, Y.-X. Wang, Y-F. Liu, D. Bérubé, T. Dinh, Z. Gong, S.-W. Lien, S.-C. Ho, B. Singh, K. Watanabe, T. Taniguchi, D.C. Bell, H.-Z. Lu, A. Bansil, H. Lin, T.-R. Chang, B.B. Zhou, Q. Ma, A. Vishwanath, N. Ni, and S.-Y. Xu. Nature Materials 22, 583 (2023). |
| 9 | Antiferromagnetic metal phase in an electron-doped rare-earth nickelate Q. Song, S. Doyle, G.A. Pan, I. El Baggari, D. Ferenc Segedin, D. Céordova Carriazales, J. Nordlander, C. Tzschaschel, J.R. Ehrets, Z. Hasan, H. El-Sherif, J. Krishna, C. Hanson, H. LaBollita, A. Bostwick, C. Jozwiak, E. Rotenberg, S.-Y. Xu, A. Lanzara, A.T. N’Diaye, C.A. Heikes, Y. Liu, H. Paik, C.M. Brooks, B. Pamuk, J.T. Heron, P. Shafer, W.D. Ratcliff, A.S. Botana, L. Moreschini, and J.A. Mundy. Nature Physics 19, 522 (2023). |
| 8 | A perspective on nonlinearities in coherent magnetization dynamics J. Li, C.-J. Yang, R. Mondal, C. Tzschaschel, and S. Pal. Applied Physics Letters 120, 050501 (2022). |
| 7 | Layer Hall effect in a 2D topological Axion antiferromagnet A. Gao, Y.-F. Liu, C. Hu, J.-X. Qiu, C. Tzschaschel, B. Ghosh, S.-C. Ho, D. Bérubé, R. Chen, H. Sun, Z. Zhang, X.-Y. Zhang, Y.-X. Wang, N. Wang, Z. Huang, C. Felser, A. Agarwal, T. Ding, H.-J. Tien, A. Akey, J. Gardener, B. Singh, K. Watanabe, T. Taniguchi, K.S. Burch, D.C. Bell, B.B. Zhou, W. Gao, H.-Z. Lu, A. Bansil, H. Lin, T.-R. Chang, L. Fu, Q. Ma, N. Ni, and S.-Y. Xu. Nature 595, 521 (2021). |
| 6 | Efficient spin excitation via ultrafast damping-like torques in antiferromagnets C. Tzschaschel, T. Satoh, and M. Fiebig. Nature Communications 11, 6142 (2020). |
| 5 | Tracking the ultrafast motion of an antiferromagnetic order parameter C. Tzschaschel, T. Satoh, and M. Fiebig. Nature Communications 10, 3995 (2019). |
| 4 | Microdisplays as a versatile tool for the optical simulation of crystal diffraction in the classroom J. Lehmann, C. Tzschaschel, M. Fiebig, and Th. Weber. Journal of Applied Crystallography 52, 457 (2019). |
| 3 | Electronic bulk and domain wall properties in B-site doped hexagonal ErMnO3 T.S. Holstad, D.M. Evans, A. Ruff, D.R. Småbråten, J. Schaab, C. Tzschaschel, Z. Yan, E. Bourret, S.M. Selbach, S. Krohns, and D. Meier. Physical Review B 97, 085143 (2018). |
| 2 | Ultrafast optical excitation of coherent magnons in antiferromagnetic NiO C. Tzschaschel, K. Otani, R. Iida, T. Shimura, H. Ueda, S. Günther, M. Fiebig, and T. Satoh. Physical Review B 95, 174407 (2017). |
| 1 |
Net gain in small mode volume organic microcavities |