2024
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Chiral-induced unidirectional spin-to-charge conversion A. Moharana, Y. Kapon, F. Kammerbauer, D. Anthofer, S. Yochelis, M. Kläui, Y. Paltiel, A. Wittmann arXiv:2402.19246 (2024) |
2023
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Modification of Weak Localization in Metallic Thin Films Due to the Adsorption of Chiral Molecules M. Ozeri, J. Xu, G. Bauer, L. A. B. Olde Olthof, G.Kimbell, A. Wittmann, S. Yochelis, J. Fransson, J. W. A. Robinson, Y. Paltiel, and O. Millo J. Phys. Chem. Lett. 14, 4941 (2023) |
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Fast Scanning Nitrogen-Vacancy Magnetometry by Spectrum Demodulation P. Welter, B.A. Jósteinsson, S. Josephy, A. Wittmann, A. Morales, G. Puebla-Hellmann, and C.L. Degen Phys. Rev. Applied 19, 034003 (2023) or arXiv:2205.06579 (2022) |
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Antiferromagnetic insulatronics: Spintronics in insulating 3d metal oxides with antiferromagnetic coupling H. Meer, O. Gomonay, A. Wittmann, and M. Kläui Appl. Phys. Lett. 122, 080502 (2023) |
2022
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Role of substrate clamping on anisotropy and domain structure in the canted antiferromagnet α−Fe2O3 A. Wittmann, O. Gomonay, K. Litzius, A. Kaczmarek, A. E. Kossak, D. Wolf, A. Lubk, T. N. Johnson, E. A. Tremsina, A. Churikova, F. Büttner, S. Wintz, M.-A. Mawass, M. Weigand, F. Kronast, L. Scipioni, A. Shepard, T. Newhouse-Illige, J. A. Greer, G. Schütz, N. O. Birge, and G. S. D. Beach Phys. Rev. B 106, 224419 (2022) or read it on arXiv |
2021
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Application Concepts for Ultrafast Laser-Induced Skyrmion Creation and Annihilation K. Gerlinger, B. Pfau, F. Büttner, M. Schneider, L.-M. Kern, J. Fuchs, D. Engel, C. M. Günther, M. Huang, I. Lemesh, L. Caretta, A. Churikova, P. Hessing, C. Klose, C. Strüber, C. von K. Schmising, S. Huang, A. Wittmann, K. Litzius, D. Metternich, R. Battistelli, K. Bagschik, A. Sadovnikov, G. S. D. Beach, and S. Eisebitt Appl. Phys. Lett. 118, 192403 (2021) |
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Accurate Extraction of Anisotropic Spin–Orbit Torques from Harmonic Measurements J. van Elst, M. R. A. Peters, F. Büttner, A. Wittmann, E. A. Tremsina, C. O. Avci, R. Lavrijsen, H. J. M. Swagten, and G. S. D. Beach Appl. Phys. Lett. 118, 172403 (2021) |
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Observation of fluctuation-mediated picosecond nucleation of a topological phase F. Büttner, B. Pfau, M. Böttcher, M. Schneider, G. Mercurio, C. M. Günther, P. Hessing, C. Klose, A. Wittmann, K. Gerlinger, L. Kern, C. Strüber, C. von Korff Schmising, J. Fuchs, D. Engel, A. Churikova, S. Huang, D. Suzuki, I. Lemesh, M. Huang, L. Caretta, D. Weder, S. Zayko, K. Bagschik, R. Carley, L. Mercadier, J. Schlappa, A. Yaroslavtsev, L. Le Guyarder, N. Gerasimova, A. Scherz, C. Deiter, R. Gort, D. Hickin, J. Zhu, M. Turcato, D. Lomidze, F. Erdinger, A. Castoldi, S. Maffessanti, M. Porro, A. Samartsev, C. Ropers, J. Sinova, J. H. Mentink, B. Dupé, G. S. D. Beach, S. Eisebitt Nat. Mater. 20, 30-37 (2021) |
2020
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Tuning Spin Current Injection at Ferromagnet-Nonmagnet Interfaces by Molecular Design A. Wittmann, G. Schweicher, K. Broch, J. Novak, V. Lami, D. Cornil, E. R. McNellis, O. Zadvorna, D. Venkateshvaran, K. Takimiya, Y. H. Geerts, J. Cornil, Y. Vaynzof, J. Sinova, S. Watanabe, H. Sirringhaus Phys. Rev. Lett. 124, 027204 (2020) |
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Non-magnetic Origin of Spin Hall Magnetoresistance-Like Signals in Pt films and Epitaxial NiO/Pt bilayers A. Churikova, D. Bono, B. Neltner, A. Wittmann, L. Scipioni, A. Shepard, T. Newhouse-Illige, J. Greer, G. S. D. Beach Appl. Phys. Lett. 116, 022410 (2020) |
2019
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Long spin diffusion lengths in doped conjugated polymers due to enhanced exchange coupling S. Wang, D. Venkateshvaran, M. R. Mahani, U. Chopra, E. R. McNellis, R. Di Pietro, S. Schott, A. Wittmann, G. Schweicher, M. Cubukcu, K. Kang, R. Carey, T. J. Wagner, J. N. M. Siebrecht, D. P. G. H. Wong, I. E. Jacobs, R. O. Aboljadayel, A. Ionescu, S. A. Egorov, S. Mueller, O. Zadvorna, P. Skalski, C. Jellett, M. Little, A. Marks, I. McCulloch, J. Wunderlich, J. Sinova, H. Sirringhaus Nat. Electron. 2, 98–107 (2019) |
2018
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Electrical nucleation and detection of single 360° homochiral Néel domain walls measured using the anomalous Nernst effect M. Cubukcu, D. Venkateshvaran, A. Wittmann, S. Wang, R. Di Pietro, S. Auffret, L. Vila, J. Wunderlich, H. Sirringhaus Appl. Phys. Lett. 112, 262409 (2018) |
2016
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Novel Air-Stable Organic Radical Semiconductor of Dimers of Dithienothiophene, Single Crystals, and Field‐Effect Transistors H. Zhang, H. Dong, Y. Li, W. Jiang, Y. Zhen, L. Jiang, Z. Wang, W. Chen, A. Wittmann, W. Hu Adv. Mat. 28, 7466-7471 (2016) |
2014
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Capillary absorption of integral water repellent and surface impregnated concrete F. H. Wittmann, A. Wittmann, P. G. Wang Rest. of Build. and Monum. 20, 281-290 (2014) |
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Characterization of spin-orbit interactions of GaAs heavy holes using a quantum point contact F. Nichele, S. Chesi, S. Hennel, A. Wittmann, C. Gerl, W. Wegscheider, D. Loss, T. Ihn, K. Ensslin Phys. Rev. Lett. 11, 046801 (2014) |