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Publications

2021

F. Büttner, B. Pfau, M. Böttcher, M. Schneider, G. Mercurio, C. M. Günther, P. Hessing, C. Klose, A. Wittmann, K. Gerlinger, L.-M. 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, and S. Eisebitt. Ultrafast all-optical topological switching observed in real time using a free-electron laser. Nature Materials 20, 30 (2021). Open Access Link 

2020

L. Caretta, E. Rosenberg, F. Büttner, T. Fakhrul, P. Gargiani, M. Valvidares, P. Reddy, C. A. Ross, G. S. D. Beach. Interfacial Dzyaloshinskii-Moriya interaction arising from rare-earth orbital magnetism in insulating magnetic oxides. Nature Communications 11, 1090 (2020).

F. Büttner, M. A. Mawass, J. Bauer, E. Rosenberg, L. Caretta, C. O. Avci, J. Gräfe, S. Finizio, C. A. F. Vaz, N. Novakovic, M. Weigand, K. Litzius, J. Förster, N. A. Träger, F. Groß, D. Suzuki, M. Huang, J. Bartell, F. Kronast, G. Schütz, C. A. Ross, and G. S. D. Beach. Thermal nucleation and high-resolution imaging of sub-micrometer bubbles in ultrathin thuliumiron garnet films. Physical Review Materials 4, 011401(R) (2020) (editor’s selection).

2019

M. Huang, A. J. Tan, F. Büttner, H. Liu, Q. Ruan, W. Hu, C. Mazzoli, S. Wilkins, C. Duan, J. K. W. Yang, and G. S. D. Beach. Voltage-gated optics and plasmonics enabled by solid-state proton pumping. Nature Communications 10, 5030 (2019).

P. Agrawal, F. Büttner, I. Lemesh, S. Schlotter, and G. S. D. Beach. Measurement of interfacial Dzyaloshinskii-Moriya interaction from static domain imaging. Physical Review B 100, 104430 (2019).

N. Kent, R. Streubel, C.-H. Lambert, A. Ceballos, S.-G. Je, S. Dhuey, M.-Y. Im, F. Büttner, F. Hellman, S. Salahuddin, and P. Fischer. Generation and stability of structurally imprinted target skyrmions in magnetic multilayers. Applied Physics Letters 115, 112404 (2019).

A. J. Tan, M. Huang, S. Sheffels, F. Büttner, S. Kim, A. H. Hunt, I. Waluyo, H. L. Tuller, and G. S. D. Beach. Hydration of gadolinium oxide (GdOx) and its effect on voltage-induced Co oxidation in aPt/Co/GdOx/Au heterostructure. Physical Review Materials 3, 064408 (2019).

C. O. Avci, E. Rosenberg, L. M. Caretta, F. Büttner, M. Mann, C. Marcus, D. Bono, C. A. Ross, and G. S. D. Beach. Interface-Driven Chiral Magnetism and Current-Driven Domain Walls in Insulating Magnetic Garnets. Nature Nanotechnology 14, 561 (2019).

A. J. Tan, M. Huang, C. O. Avci, F. Büttner, M. Mann, W. Hu, C. Mazzoli, S. Wilkins, H. L. Tuller, and G. S. D. Beach. Magneto-ionic control of magnetism using a solid-state proton pump. Nature Materials 18, 35 (2019).

2018

L. Caretta, M. Mann, F. Büttner, K. Ueda, B. Pfau, C. M. Günther, P. Hessing, A. Churikova, C. Klose, M. Schneider, D. Engel, C. Markus, D. Bono, K. Bagschik, S. Eisebitt, and G. S. D. Beach. Fast current-driven domain walls and small skyrmions in a compensated ferrimagnet. Nature Nanotechnology 13, 1154 (2018).

I. Lemesh, K. Litzius, M. Böttcher, P. Bassirian, N. Kerber, D. Heinze, J. Zázvorka, F. Büttner, L. Caretta, M. Mann, M. Weigand, S. Finizio, J. Raabe, M.-Y. Im, H. Stoll, G. Schütz, B. Dupé, M. Kläui, and G. S. D. Beach. Current-Induced Skyrmion Generation through Morphological Thermal Transitions in Chiral Ferromagnetic Heterostructures. Advanced Materials 30, 1805461 (2018).

Y. Dovzhenko, F. Casola, S. Schlotter, T. X. Zhou, F. Büttner, R. L. Walsworth, G. S. D. Beach, and A. Yacoby. Magnetostatic twists in room-temperature skyrmions explored by nitrogen-vacancy center spin texture reconstruction. Nature Communications 9, 2712 (2018).

F. Büttner, I. Lemesh, and G. S. D. Beach. Theory of isolated magnetic skyrmions: From fundamentals to room temperature applications. Scientific Reports 8, 4464 (2018).

2017

F. Büttner, I. Lemesh, M. Schneider, B. Pfau, C. M. Günther, P. Hessing, J. Geilhufe, L. Caretta, D. Engel, B. Krüger, J. Viefhaus, S. Eisebitt, and G. S. D. Beach. Field-free deterministic ultrafast creation of skyrmions by spin–orbit torques. Nature Nanotechnology 12, 1040 (2017).

S. Dutta, S. A. Siddiqui, F. Büttner, L. Liu, C. A. Ross, M. A. Baldo. A Logic-in-Memory Design with 3-Terminal Magnetic Tunnel Junction Function Evaluators for Convolutional Neural Networks. Proc. IEEE/ACM NANOARCH p. 83 (2017).

S. Jaiswal, K. Litzius, I. Lemesh, F. Büttner, S. Finizio, J. Raabe, M. Weigand, K. Lee, J. Langer, B. Ocker, G. Jakob, G. S. D. Beach, M. Kläui. Investigation of the Dzyaloshinskii-Moriya interaction and room temperature skyrmions in W/CoFeB/MgO thin films and microwires. Applied Physics Letters 111, 022409 (2017).

I. Lemesh, F. Büttner, and G. S. D. Beach. Accurate model of the stripe domain phase of perpendicularly magnetized multilayers. Physical Review B 95, 174423 (2017).

K. Litzius, I. Lemesh, B. Krüger, L. Caretta, K. Richter, F. Büttner, P. Bassirian, J. Förster, R. M. Reeve, M. Weigand, I. Bykova, H. Stoll, G. Schütz, G. S. D. Beach, and M. Kläui. Skyrmion Hall Effect Revealed by Direct Time-Resolved X-Ray Microscopy. Nature Physics 13, 170 (2017).

F. Büttner. Dynamic Imaging with X-ray Holography. Book Chapter in Holographic Materials and Optical Systems (eds. I. Naydenova, T. Babeva, and D. Nazarova) (InTech, 2017).

2016

G. Finocchio, F. Büttner, R. Tomasello, M. Carpentieri, and M. Kläui. Magnetic Skyrmions: From Fundamental to Applications. Journal of Physics D: Applied Physics 49, 423001 (2016) (Review Article).

F. Büttner and M. Kläui. Magnetic Skyrmion Dynamics. Book Chapter in Skyrmions p. 211 (CRC Press, 2016).

A. Tkach, A. Kehlberger, F. Büttner, G. Jakob, S. Eisebitt, and M. Kläui. Modification of magnetic anisotropy in Ni thin films by poling of (011) PMN-PT piezosubstrates. Ferroelectrics 499, 135 (2016).

A. Tkach, A. Kehlberger, F. Büttner, G. Jakob, S. Eisebitt, and M. Kläui. Quantitative analysis of magnetization reversal in Ni thin films on unpoled and poled (011)[PbMg1/3Nb2/3O3]0.68–[PbTiO3]0.32 piezoelectric substrates. Journal of Physics D: Applied Physics 49, 335004 (2016).

2015

F. Büttner, B. Krüger, S. Eisebitt, and M. Kläui. Accurate calculation of the transverse anisotropy in perpendicularly magnetized multilayers. Physical Review B 92, 054408 (2015).

A. Tkach, A. Kehlberger, F. Büttner, G. Jakob, S. Eisebitt, and M. Kläui. Electric field modification of magnetotransport in Ni thin films on (011) PMN-PT piezosubstrates. Applied Physics Letters 106, 062404 (2015).

A. Tkach, M. Baghaie Yazdi, M. Foerster, F. Büttner, M. Vafaee, M. Fries, and M. Kläui. Magnetoelectric properties of epitaxial Fe3O4thin films on (011) PMN-PT piezosubstrates. Physical Review B 91, 024405 (2015).

F. Büttner, C. Moutafis, M. Schneider, B. Krüger, C. M. Günther, J. Geilhufe, C. v. Korff Schmising, J. Mohanty, B. Pfau, S. Schaffert, A. Bisig, M. Foerster, T. Schulz, C. A. F. Vaz, J. H. Franken, H. J. M. Swagten, M. Kläui, and S. Eisebitt. Dynamics and inertia of skyrmionic spin structures. Nature Physics 11, 225 (2015).

2014

S. Finizio, M. Foerster, B. Krüger, C. A. F. Vaz, T. Miyawaki, M. A. Mawass, L. Peña, L. Méchin,S. Hühn, V. Moshnyaga, F. Büttner, A. Bisig, L. Le Guyader, S. El Moussaoui, S. Valencia, F. Kronast, S. Eisebitt, and M. Kläui. Domain wall transformations and hopping in La0.7Sr0.3MnO3 nanostructures imaged with high resolution x-ray magnetic microscopy. Journal of Physics: Condensed Matter 26, 456003 (2014).

M. Foerster, L.Pena, C. A. F. Vaz, J. Heinen, S. Finizio, T. Schulz, A. Bisig, F. Büttner, S. Eisebitt, L. Mechin, V. Moshnyaga, and M. Kläui. Efficient spin transfer torque in La2/3Sr1/3MnO3 nanostructures. Applied Physics Letters 104, 072410 (2014).

J. Geilhufe, B. Pfau, M. Schneider, C. M. Günther, S. Werner, S. Schaffert, E. Guehrs, F. Büttner, S. Frömmel, M. Kläui, and S. Eisebitt. Monolithic focused reference beam X-ray holography. Nature Communications 5, 3008 (2014).

J.-S. Kim, M.-A. Mawass, A. Bisig, B. Krüger, R. Reeve, T. Schulz, F. Büttner, M. Weigand, H. Stoll, J. Yoon, C.-Y. You, S. Eisebitt, H. J. M. Swagten, B. Koopmans, and M Kläui. Synchronous precessional motion of multiple domain walls in a ferromagnetic nanowire by perpendicular field pulses. Nature Communications 5, 3429 (2014).

2013

F. Büttner, M. Schneider, C. M. Günther, C. A. F. Vaz, B. Lägel, D. Berger, S. Selve, M. Kläui, and S. Eisebitt. Automatable sample fabrication process for pump-probe x-ray holographic imaging. Optics Express 21, 30563 (2013).

L. Müller, C. Gutt, B. Pfau, S. Schaffert, J. Geilhufe, F. Büttner, J. Mohanty, S. Flewett, R. Treusch, S. Düsterer, H. Redlin, A. Al-Shemmary, M. Hille, A. Kobs, R. Frömter, H. P. Oepen, B. Ziaja, N. Medvedev, S.-K. Son, R. Thiele, R. Santra, B. Vodungbo, J. Lüning, S. Eisebitt, and G. Grübel. Breakdown of the X-Ray Resonant Magnetic Scattering Signal during Intense Pulses of Extreme Ultraviolet Free-Electron-Laser Radiation. Physical Review Letters 110, 234801 (2013).

A. Bisig, M. Stärk, M.-A. Mawass, C. Moutafis, J. Rhensius, J. Heidler, F. Büttner, M. Noske, M. Weigand, S. Eisebitt, T. Tyliszczak, B. v. Waeyenberge, H. Stoll, G. Schütz, and M. Kläui. Correlated velocity and domain wall spin structure oscillations. Nature Communications 4, 2328 (2013).

L. Müller, C. Gutt, S. Streit-Nierobisch, M. Walther, S. Schaffert, B. Pfau, J. Geilhufe, F. Büttner, S. Flewett, C. M. Günther, S. Eisebitt, A. Kobs, M. Hille, D. Stickler, R. Frömter, H. P. Oepen, J. Lüning, and G. Grübel. Endstation for ultrafast magnetic scattering experiments at the free-electron laser in Hamburg. Review of Scientific Instruments 84, 013906 (2013).

F. Büttner, C. Moutafis, A. Bisig, P. Wohlhüter, C. M. Günther, J. Mohanty, J. Geilhufe, M. Schneider, C. v. Korff Schmising, S. Schaffert, B. Pfau, M. Hantschmann, M. Riemeier, M. Emmel, S. Finizio, G. Jakob, M. Weigand, J. Rhensius, J. H. Franken, R. Lavrijsen, H. J. M. Swagten, H. Stoll, S. Eisebitt, and M. Kläui. Magnetic states in low-pinning high-anisotropy material nanostructures suitable for dynamic imaging. Physical Review B 87, 134422 (2013).

2012

S. Flewett, C. M. Günther, C. v. Korff Schmising, B. Pfau, J. Mohanty, F. Büttner, M. Riemeier, M. Hantschmann, M. Kläui, and S. Eisebitt. Holographically aided iterative phase retrieval. Optics Express 20, 29210 (2012).

B. Pfau, S. Schaffert, L. Müller, C. Gutt, A. Al-Shemmary, F. Büttner, R. Delaunay, S. Düsterer, S. Flewett, R. Frömter, J. Geilhufe, E. Guehrs, C. M. Günther, R. Hawaldar, M. Hille, N. Jaouen, A. Kobs, K. Li, J. Mohanty, H. Redlin, W. F. Schlotter, D. Stickler, R. Treusch, B. Vodungbo, M. Kläui, H. P. Oepen, J. Lüning, G. Grübel, and S. Eisebitt. Ultrafast optical demagnetization manipulates nanoscale spin structure in domain walls. Nature Communications 3, 1100 (2012).