Polar discontinuities, emergent conductivity, and critical twist-angle-dependent behaviour at wafer-bonded ferroelectric interfaces
A. Rogers, K. Holsgrove, N.A. Schäfer, B. Koppitz, C.J. McCluskey, S. Yedama, R. Lynch, K. Sloan, B. Porter, A. Sykes, A. Catalan Daniels, R.S. Silva, F.Y. Bruno, S.D. Seddon, H. Lu, M. Rüsing, C. Fink, P. Fahler-Muenzer, S. Fearn, S.E.M. Heutz, M. Hadjimichael, Q.M. Ramasse, M. Alexe, A. Kumar, R.G.P. McQuaid, A. Gruverman, S. Sanna, L.M. Eng, J.M. Gregg, Nature Communications 17 (2026).

Second-order nonlinear piezo-optic properties of single crystal lithium niobate thin films
M.N. Pionteck, M. Roeper, B. Koppitz, S.D. Seddon, M. Rüsing, L. Padberg, C. Eigner, C. Silberhorn, S. Sanna, L.M. Eng, Physical Review B 111 (2025).

Demonstration of domain wall current in MgO-doped lithium niobate single crystals up to 400°C
H. Wulfmeier, U. Yakhnevych, C. Boekhoff, A. Diima, M. Kunzner, L.M. Verhoff, J. Paul, J. Ratzenberger, E. Beyreuther, J. Gössel, I. Kiseleva, M. Rüsing, S. Sanna, L.M. Eng, H. Fritze, Solid State Ionics 429 (2025).

Second harmonic generation contrasts of ferroelectric domain structures and composition in lithium niobate–tantalate mixed crystals
B. Koppitz, T. Saxena, F. Bernhardt, S. Ganschow, S. Sanna, M. Rüsing, L.M. Eng, Journal of Applied Physics 138 (2025).

Phonon dephasing times determined with time-delayed broadband coherent anti-Stokes Raman scattering
F. Hempel, M. Rüsing, F. Vernuccio, K.J. Spychala, R. Buschbeck, G. Cerullo, D. Polli, L.M. Eng, Physical Review B 112 (2025).

Segmented finger electrodes to optimize ultra-long continuous wafer-scale periodic poling in thin-film lithium niobate
L. Bollmers, N. Spiegelberg, M. Rüsing, C. Eigner, L. Padberg, C. Silberhorn, Nanophotonics 14 (2025) 4761.

Mg dopants in lithium niobate: Defect models and impact on domain inversion
A. Bocchini, M. Rüsing, L. Bollmers, S. Lengeling, P. Mues, L. Padberg, U. Gerstmann, C. Silberhorn, C. Eigner, W.G. Schmidt, Physical Review Materials 9 (2025).

Equivalent-circuit model that quantitatively describes domain-wall conductivity in ferroelectric lithium 
M. Zahn, E. Beyreuther, I. Kiseleva, A.S. Lotfy, C.J. McCluskey, J.R. Maguire, A. Suna, M. Rüsing, J.M. Gregg, L.M. Eng, Physical Review Applied 21 (2024).

Evaluation and thermodynamic optimization of phase diagram of lithium niobate tantalate solid solutions
U. Bashir, D. Klimm, M. Rüsing, M. Bickermann, S. Ganschow, Journal of Materials Science (2024).

Comparing transmission- and epi-BCARS: a round robin on solid-state materials
F. Hempel, F. Vernuccio, L. König, R. Buschbeck, M. Rüsing, G. Cerullo, D. Polli, L.M. Eng, Applied Optics 63 (2024).

Surface-near domain engineering in multi-domain x-cut lithium niobate tantalate mixed crystals
L. Bollmers, T. Babai-Hemati, B. Koppitz, C. Eigner, L. Padberg, M. Rüsing, L.M. Eng, C. Silberhorn, Applied Physics Letters 125 (2024).

Probing ferroelectric phase transitions in barium titanate single crystals via in-situ second harmonic generation microscopy
B. Kirbus, S.D. Seddon, I. Kiseleva, E. Beyreuther, M. Rüsing, L.M. Eng, Journal of Applied Physics 136 (2024).

Lattice Dynamics of LiNb(1–x)Ta(x)O3 Solid Solutions: Theory and Experiment
F. Bernhardt, S. Gharat, A. Kapp, F. Pfeiffer, R. Buschbeck, F. Hempel, O. Pashkin, S.C. Kehr, M. Rüsing, S. Sanna, L.M. Eng, Physica Status Solidi (a) 222 (2024) 2300968.

Thermal conductivity in solid solutions of lithium niobate tantalate single crystals from 300fK up to 1300fK
U. Bashir, M. Rüsing, D. Klimm, R. Blukis, B. Koppitz, L.M. Eng, M. Bickermann, S. Ganschow, Journal of Alloys and Compounds 1008 (2024).

Two-dimensional electronic conductivity in insulating ferroelectrics: Peculiar properties of domain walls
L.M. Verhoff, M.N. Pionteck, M. Rüsing, H. Fritze, L.M. Eng, S. Sanna, Physical Review Research 6 (2024).

Toward the reproducible fabrication of conductive ferroelectric domain walls into lithium niobate bulk single crystals
J. Ratzenberger, I. Kiseleva, B. Koppitz, E. Beyreuther, M. Zahn, J. Gössel, P.A. Hegarty, Z.H. Amber, M. Rüsing, L.M. Eng, Journal of Applied Physics 136 (2024) 104302.

Impact of ion exchange on vibrational modes in Rb-doped KTiOPO4: A Raman spectroscopy study on the interplay between ion exchange and polarization switching
C.S.J. Lee, C. Canalias, R. Buschbeck, B. Koppitz, F. Hempel, Z. Amber, L.M. Eng, M. Rüsing, Physical Review B 110 (2024).

Unveiling ElectronPhonon and ElectronMagnon Interactions in the Weak Itinerant Ferromagnet LaCo2
D.Yu. Usachov, K. Ali, G. Poelchen, M. Mende, S. Schulz, M. Peters, K. Bokai, I.Yu. Sklyadneva, V. Stolyarov, E.V. Chulkov, K. Kliemt, S. Paischer, P.A. Buczek, R. Heid, F. Hempel, M. Rüsing, A. Ernst, C. Krellner, S.V. Eremeev, D.V. Vyalikh, Advanced Physics Research (2024).

Comparative study of photo-induced electronic transport along ferroelectric domain walls in lithium niobate single crystals
L.L. Ding, E. Beyreuther, B. Koppitz, K. Kempf, J.H. Ren, W.J. Chen, M. Rüsing, Y. Zheng, L.M. Eng, Applied Physics Letters 124 (2024).

Depth resolution in piezoresponse force microscopy
M. Roeper, S.D. Seddon, Z.H. Amber, M. Rüsing, L.M. Eng, Journal of Applied Physics 135 (2024).