Publications

2024

• L.M. Verhoff, M.N. Pionteck, M. Rüsing, H. Fritze, L.M. Eng, S. Sanna.
  "Two-dimensional electronic conductivity in insulating ferroelectrics: Peculiar properties of domain walls."
  Physical Review Research 6, L042025 (2024).
  doi:10.1103/PhysRevResearch.6.L042015
• L. Bollmers, T. Babai-Hemati, B. Koppitz, C. Eigner, L. Padberg, M. Rüsing, L. M. Eng, C. Silberhorn.
  "Surface-near domain engineering in multi-domain x-cut lithium niobate tantalate mixed crystals."
  Applied Physics Letters 125, 151101 (2024).
  doi:10.1063/5.0210972
• B. Kirbus, S.D. Seddon, I. Kiseleva, E. Beyreuther, M. Rüsing, L.M. Eng.
  "Probing ferroelectric phase transitions in barium titanate single crystals via in − situ second harmonic generation microscopy."
  Journal of Applied Physics 136(15), 154102 (2024).
  doi:10.1063/5.0237769
• R.A. Mayer, L. Wehmeier, M. Torquato, X. Chen, F.H. Feres, F.C.B. Maia, M. Obst, F.G. Kaps, A. Luferau, J.M. Klopf, S.N. Gilbert Corder, H.A. Bechtel, J.C. González, E.R. Viana,
  L.M. Eng, S.C. Kehr, R.O. Freitas, I.D. Barcelos.
  "Paratellurite Nanowires as a Versatile Material for THz Phonon Polaritons."
  ACS Photonics 11(10), 4323 (2024).
  doi:10.1021/acsphotonics.4c01249
• U. Bashir, M. Rüsing, D. Klimm, R. Blukis, B. Koppitz, L. Eng, M. Bickermann, S. Ganschow.
  "Thermal conductivity in solid-solutions of lithium niobate tantalate single crystals from 300 K up to 1300 K."
  Journal of Alloys and Compounds 1008, 176549  (2024).
  doi:10.1016/j.jallcom.2024.176549
• J.F. Schmidt, L.M. Eng, S.D. Seddon.
  "Toward 3D magnetic force microscopy: Simultaneous torsional cantilever excitation to access a second, orthogonal stray field component."
  Journal of Applied Physics 136,  113904 (2024).
  doi:10.1063/5.0226570
• J. Ratzenberger, I. Kiseleva, B. Koppitz, E. Beyreuther, M. Zahn, J. Gössel, P. A. Hegarty, Z.H. Amber, M. Rüsing, L.M. Eng. 
  "Toward the reproducible fabrication of conductive ferroelectric domain walls into lithium niobate bulk single crystals." 
  Journal of Applied Physics 136(10), 104302 (2024). 
  doi:10.1063/5.0219300
• A. Luferau, M. Obst, S. Winnerl, A. Pashkin, S.C. Kehr, E. Dimakis, F.G. Kaps, O. Hatem, K. Mavridou, L.M. Eng, M. Helm.
  "Hot-Electron Dynamics in a Semiconductor Nanowire under Intense THz Excitation."
  ACS Photonics 11, 3123-3130 (2024).
  doi: 10.1021/acsphotonics.4c00433
• S. D. Seddon, C. R. S. Haines, T. P. A. Hase, M. R. Lees, L. M. Eng, M. Alexe, M. A. Carpenter.
  "Ferroelastic control of magnetic domain structure: Direct imaging by magnetic force microscopy."
  Physical Review B 110, L060404 (2024).
  doi:0.1103/PhysRevB.110.L060404
  arXiv preprint
• M. Roeper, S.D. Seddon, Z.H. Amber, M. Rüsing, L.M. Eng.
  "Depth resolution in piezoresponse force microscopy."
  Journal of Applied Physics 135, 224102 (2024).
  doi:10.1063/5.0206784
• L. Ding, E. Beyreuther, B. Koppitz, K. Kempf, J. Ren, W. Chen, M. Rüsing, Y. Zheng, L.M. Eng.
  "Comparative study of photo-induced electronic transport along ferroelectric domain walls in lithium niobate single crystals."
  Applied Physics Letters 124, 252901 (2024).
  doi:10.1063/5.0205877
  arXiv preprint
• B. Koppitz, S. Ganschow, M. Rüsing, L.M. Eng.
  "Ferroelectric Hysteresis Measurement in the Lithium Niobate-Lithium Tantalate Single-Crystalline Family: Prospects for Lithium Niobate-Tantalate."
  Physica Status Solidi A, 2300967 (2024).
  doi:10.1002/pssa.202300967
• A. Sünbül, D. Lehninger, R. Hoffmann, H. Mähne, K. Bernert, S. Thiem, T. Kämpfe, K. Seidel, M. Lederer, L. M. Eng.
  " Improved Endurance Reliability of Ferroelectric Hafnium Oxide-Based BEoL Integrated MFM Capacitors."
  IEEE International Reliability Physics Symposium (IRPS), Grapevine, TX, USA, p.1-5 (2024).
  doi:10.1109/IRPS48228.2024.10529302
• 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.
  "Equivalent-circuit model that quantitatively describes domain-wall conductivity in ferroelectric LiNbO₃."
  Physical Review Applied 21, 024007 (2024).
  doi:10.1103/PhysRevApplied.21.024007
  arXiv preprint: "R2D2 -- An equivalent-circuit model that quantitatively describes domain wall conductivity in ferroelectric LiNbO3"
• F. Hempel, F. Vernuccio, L. König, R. Buschbeck, M. Rüsing, G. Cerullo, D. Polli, L.M. Eng.
  "Comparing transmission- and epi-BCARS: a round robin on solid-state materials."
  Applied Optics 63, 112 (2024).
  doi:10.1364/AO.505374
  arXiv preprint

2023

• H. Beccard, E. Beyreuther, B. Kirbus, S.D. Seddon, M. Rüsing, L.M. Eng.
  "Hall mobilities and sheet carrier densities in a single LiNbO₃ conductive ferroelectric domain wall ."
  Physical Review Applied 20, 064043 (2023).
  doi:10.1103/PhysRevApplied.20.064043
  arXiv preprint
• F. Kaps, S.C. Kehr,  L.M. Eng.
  "Polarization Sensitivity in Scattering-Type Scanning Near-Field Optical Microscopy – Towards Nanoellipsometry."
  Applied Sciences 13, 10429 (2023).
  doi:10.3390/app131810429
• S. Neufeld, U. Gerstmann, L. Padberg, C. Eigner, G. Berth, C. Silberhorn, L.M. Eng, W.G. Schmidt, M. Rüsing.
  "Vibrational Properties of the Potassium Titanyl Phosphate Crystal Family."
  Crystals 13, 1423 (2023).
  doi:10.3390/cryst13101423
• U. Bashir, K. Böttcher, D. Klimm, S. Ganschow, F. Bernhardt, S. Sanna, M. Rüsing, L.M. Eng, M. Bickermann.
  "Solid solutions of lithium niobate and lithium tantalate: crystal growth and the ferroelectric transition."
  Ferroelectrics 613, 250 (2023).
  doi:10.1080/00150193.2023.2189842
• M. Obst, T. Nörenberg, G. Álvarez-Pérez, T.V.A.G. de Oliveira,  J. Taboada-Gutiérrez, F.H. Feres, F.G. Kaps, O. Hatem, A. Luferau, A.Y. Nikitin, J.M. Klopf, P. Alonso-González, S.C. Kehr, L.M. Eng.
  "Terahertz Twistoptics – Engineering Canalized Phonon Polaritons."
  ACS Nano 17, 19313 (2023).
  doi:10.1021/acsnano.3c06477
  Preprint available at: doi:10.48550/arXiv.2308.03343
• M. Lederer, C. Mart, T. Kämpfe, D. Lehninger, K. Seidel, M. Czernohorsky, W. Weinreich, B. Volkmann, L.M. Eng.
  "Evidence for ferroelastic switching and nanoscopic domains in polycrystalline Si-doped hafnium oxide films".
  Applied Physics Letters 123, 022903 (2023).
  doi:10.1063/5.0146593

• J. Matson, S. Wasserroth, X. Ni, M. Obst, K. Diaz-Granados, G. Carini, E. Renzi, E. Galiffi, T.G. Folland, L.M. Eng, J.M. Klopf, S. Mastel, S. Armster, V. Gambin, M. Wolf, S.C. Kehr, A. Alu, A. Paarmann, J. Caldwell.

  "Controlling the Propagation Asymmetry of Hyperbolic Shear Polaritons in Beta-Gallium Oxide."
  Nature Communications 14, 5240 (2023).
  doi:10.1038/s41467-023-40789-7
• A. De, S. Haldar, S. Michel, L. Shupletsov, V. Bon, N. Lopatik, L. Ding, L.M. Eng, G.K. Auernhammer, E. Brunner, A. Schneemann.
  "Manipulation of Covalent Organic Frameworks by Side-Chain Functionalization: Toward Few Layer Nanosheets".
  Chemistry of Materials 35, 3911 (2023).
  doi:10.1021/acs.chemmater.3c00048
• F.H. Feres, I.D. Barcelos, A.R. Cadore, L. Wehmeier, T. Nörenberg, R.A. Mayer, R.O. Freitas, L.M. Eng, S.C. Kehr, F.C.B. Maia.
  "Graphene Nano-Optics in the Terahertz Gap."
  Nano Letters 23, 3913 (2023).
  doi:10.1021/acs.nanolett.3c00578
• J. Schöpf, A. Thampi, P. Milde, D. Ivaneyko, S. Kondovych, D.Y. Kononenko, L.M. Eng, L.  Jin, L. Yang, L. Wysocki, P.H.M. van Loosdrecht, K. Richter, K.V. Yershov, D. Wolf, A. Lubk, V. Lindfors-Vrejoiu.
  "Néel Skyrmion Bubbles in La_0.7Sr_0.3Mn_1–xRu_xO₃ Multilayers."
  Nano Letters 23, 3532 (2023).
  doi:10.1021/acs.nanolett.3c00693

• K. Spychala, Z.H. Amber, L.M. Eng, M. Rüsing.
  "Modeling nonlinear optical interactions of focused beams in bulk crystals and thin films: A phenomenological approach."
  Journal of Applied Physics 133, 123105 (2023).
  doi:10.1063/5.0136252

• A. Sünbül, D. Lehninger, M. Lederer, H. Mähne, R. Hoffmann, K. Bernert, S. Thiem, F. Schöne, M. Döllgast, N. Haufe, L. Roy, T. Kämpfe, K. Seidel, L.M. Eng.
  "A Study on Imprint Behavior of Ferroelectric Hafnium Oxide Caused by High-Temperature Annealing."
  Physica Status Solidi A – Applications and Materials Science 220, 2300067 (2023).
  doi:10.1002/pssa.202300067

• E. Singh, M.N. Pionteck, S. Reitzig, M. Lange, M. Rüsing, L. M. Eng, S. Sanna.
  "Vibrational properties of LiNbO₃ and LiTaO₃ under uniaxial stress."
  Physical Review Materials 7, 024420 (2023).
  doi:10.1103/PhysRevMaterials.7.024420
  arXiv preprint

• M. Lederer, R. Olivo, N. Yadav, S. De, K. Seidel, L.M. Eng, T. Kämpfe.
  "SPICE compatible semi-empirical compact model for ferroelectric hysteresis."
  Solid-State Electronics 199, 108501 (2023).
  doi:10.1016/j.sse.2022.108501
• U. Acevedo-Salas, B. Croes, Y. Zhang, O. Cregut, K. D. Dorkenoo, B. Kirbus, E. Singh, H. Beccard, M. Rüsing, L. M. Eng, R. Hertel, E. A. Eliseev, A. N. Morozovska, S. Cherifi-Hertel.
  "Impact of 3D Curvature on the Polarization Orientation in Non-Ising Domain Walls."
  Nano Letters 23, 795–803 (2023).
  doi:10.1021/acs.nanolett.2c03579
  arXiv preprint

2022

• Z.H. Amber, J. Spychala, L.M. Eng, M. Rüsing.
  "Nonlinear optical interactions in focused beams and nanosized structures."
  Journal of Applied Physics 132, 213102 (2022).
  doi:10.1063/5.0125926
• P.A. Hegarty, L.M. Eng, M. Rüsing.
  "Tuning the Čerenkov second harmonic contrast from ferroelectric domain walls via anomalous dispersion."
  Journal of Applied Physics 132, 214102 (2022).
  doi:10.1063/5.0115673
• T. Nörenberg, G. Álvarez-Pérez, M. Obst, L. Wehmeier, F. Hempel, J.M. Klopf, A.Y. Nikitin, S.C. Kehr, L.M. Eng, P. Alonso-González, T.V.A.G. de Oliveira.
  "Germanium Monosulfide as Natural Platform for Highly Anisotropic THz Polaritons."
  ACS Nano 16, 20174-20185 (2022).

  doi:10.1021/acsnano.2c05376

• E. Singh, H. Beccard, Z.H. Amber, J. Ratzenberger, C.W. Hicks, M. Rüsing, L.M. Eng.
  "Tuning domain wall conductivity in bulk lithium niobate by uniaxial stress."
  Physical Review B 106, 144103 (2022).
  doi:10.1103/PhysRevB.106.144103
• A. Sünbül, D. Lehninger, R. Hoffmann, R. Olivo, A. Prabhu, F. Schöne, K. Kühnel, M.  Döllgast, N. Haufe, L. Roy, T. Kämpfe, K. Seidel, L.M. Eng.
  "Impact of Ferroelectric Layer Thickness on Reliability of Back-End-of-Line-Compatible Hafnium Zirconium Oxide Films."
  Advanced Engineering Materials, 2201124 (2022).
  doi:10.1002/adem.202201124
• Y.X. Li, P.A. Hegarty, M. Rüsing, L.M. Eng, M. Ruck.
  "Ba(BO₂OH) - A Monoprotonated Monoborate from Hydroflux Showing Intense Second Harmonic Generation."
  Zeitschrift für Allgemeine und Anorganische Chemie 648, e202200193 (2022).
  doi:10.1002/zaac.202200193
• M. Chen, T.V.A.G. De Oliveira, I. Ilyakov, T. Nörenberg, F. Kuschewski, J.-C. Deinert, N. Awari, A. Ponomaryov, M. Kuntzsch, S.C. Kehr, L.M. Eng, M. Gensch, S. Kovalev.
  "Terahertz-slicing — an all-optical synchronization for 4th generation light sources."
  Optics Express 30, 26955 (2022).
  doi:10.1364/OE.454908
• H. Beccard, B. Kirbus, E. Beyreuther, M. Rüsing, P. Bednyakov, J. Hlinka, L.M. Eng. 
  "Nanoscale Conductive Sheets in Ferroelectric BaTiO₃: Large Hall Electron Mobilities at Head-to-Head Domain Walls."
  ACS Applied Nano Materials 5, 8717-8722 (2022).
  doi:10.1021/acsanm.2c01919
  arXiv preprint: "Large Hall electron mobilities in head-to-head BaTiO3-domain walls"
• P.A. Hegarty, H. Beccard, L.M. Eng, M. Rüsing.
  "Turn all the lights off: Bright- and dark-field second-harmonic microscopy to select contrast mechanisms for ferroelectric domain walls."
  Journal of Applied Physics 131, 244102 (2022).
  doi:10.1063/5.0094988
• M. Lammel, D. Scheffler, D. Pohl, P. Swekis, S. Reitzig, S. Piontek, H. Reichlova, R. Schlitz, K. Geishendorf, L. Siegl, B. Rellinghaus, L. M. Eng, K. Nielsch, S. T. B. Goennenwein, A. Thomas.
  "Atomic layer deposition of yttrium iron garnet thin films."
  Physical Review Materials 6, 044411 (2022).
  doi:10.1103/PhysRevMaterials.6.044411
• S. Reitzig, F. Hempel, J. Ratzenberger, P.A. Hegarty, Z.H. Amber, R. Buschbeck, M. Rüsing, L.M. Eng.
  "High-speed hyperspectral imaging of ferroelectric domain walls using broadband coherent anti-Stokes Raman scattering."
  Applied Physics Letters 120, 162901 (2022).
  doi:10.1063/5.0086029
• J. Rix, M. Rüsing, R. Galli, J. Golde, S. Reitzig, L.M. Eng, E. Koch.
  "Brillouin and Raman imaging of domain walls in periodically-poled 5%-MgO:LiNbO₃."
  Optics Express 30, 5051-5062 (2022).
  doi:10.1364/OE.447554
• A. Sünbül, T. Ali , K. Mertens, R. Revello, D. Lehninger, F. Müller, M. Lederer, K. Kühnel, M. Rudolph, S. Oehler, R. Hoffmann, K. Zimmermann, K. Biedermann, P. Schramm, M. Czernohorsky, K. Seidel, T. Kämpfe, L.M. Eng.
  "Optimizing Ferroelectric and Interface Layers in HZO-Based FTJs for Neuromorphic Applications."
  IEEE Transactions on Electron Devices 69, 808-815 (2022).
  doi:10.1109/TED.2021.3131971
• T. Ali, D. Lehninger, M. Lederer, S. Li, K. Kühnel, C. Mart, K. Mertens, R. Hoffmann, R. Olivo, J. Emara, K. Biedermann, J. Metzger, R. Binder, M. Czernohorsky, T. Kämpfe, J. Müller, K. Seidel, L.M. Eng.
  "Tuning Hybrid Ferroelectric and Antiferroelectric Stacks for Low Power FeFET and FeRAM Applications by Using Laminated HSO and HZO films."
  Advanced Electronic Materials 8, 2100837 (2022).
  doi:10.1002/aelm.202100837

2021

• F. Hempel, S. Reitzig, M. Rüsing, L.M. Eng.
  "Broadband coherent anti-Stokes Raman scattering for crystalline materials."
  Physical Review B 104, 224308 (2021).
  doi:10.1103/PhysRevB.104.224308
• M. Lederer, S. Abdulazhanov, R. Olivo, D. Lehninger, T. Kämpfe, K. Seidel,  L.M. Eng.
  "Electric field-induced crystallization of ferroelectric hafnium zirconium oxide."
  Scientific Reports 11, 22266 (2021).
  doi:10.1038/s41598-021-01724-2
• M. Lederer, K. Mertens, R. Olivo, K. Kühnel, D. Lehninger, T. Ali, T. Kämpfe, K. Seidel, L.M. Eng.
  "Substrate-dependent differences in ferroelectric behavior and phase diagram of Si-doped hafnium oxide."
  Journal of Materials Research 36, 4370-4378 (2021).
  doi:10.1557/s43578-021-00415-y
• J. Barnett, L. Wehmeier, A. Heßler, M. Lewin, J. Pries, M. Wuttig, J.M. Klopf, S.C. Kehr, L.M. Eng, T. Taubner.
  "Far-Infrared Near-Field Optical Imaging and Kelvin Probe Force Microscopy of Laser-Crystallized and -Amorphized Phase Change Material Ge₃Sb₂Te₆."
  Nano Letters 21, 9012 (2021).
  doi:10.1021/acs.nanolett.1c02353
• T. Ali, K. Mertens, K. Kühnel, M. Rudolph, S. Oehler, D. Lehninger, F. Müller, R. Revello, R. Hoffmann, K. Zimmermann, T. Kämpfe, M. Czernohorsky, K. Seidel, J. Van Houdt, L.M. Eng.
  "A FeFET with a novel MFMFIS gate stack: towards energy-efficient and ultrafast NVMs for neuromorphic computing."
  Nanotechnology 32, 425201 (2021).
  doi:10.1088/1361-6528/ac146c
• J. Golde, M. Rüsing, J. Rix, L.M. Eng, E. Koch.
  "Quantifying the refractive index of ferroelectric domain walls in periodically poled LiNbO₃ single crystals by polarization-sensitive optical coherence tomography."
  Optics Express 29, 33615-33631 (2021).
  doi:10.1364/OE.432810
• Z.H. Amber, B. Kirbus, L.M. Eng, M. Rüsing.
  "Quantifying the coherent interaction length of second-harmonic microscopy in lithium niobate confined nanostructures."
  Journal of Applied Physics 130, 133102 (2021).
  doi:10.1063/5.0058996
• S. Kovalev, K.-J. Tielrooij, J.-C. Deinert, I. Ilyakov, N. Awari, M. Chem, A. Ponomaryov, M. Bawatna, T.V.A.G. de Oliveira, L.M. Eng, K.A. Kuznetsov, D.A. Safronenkov, G.Kh. Itaeva, P.I. Kuznetsov, H.A. Hafez, D. Turchinovich und M. Gensch.
  "Terahertz signatures of ultrafast Dirac fermion relaxation at the surface of topological insulators."
  npj Quantum Materials 6, 84 (2021).
  doi:10.1038/s41535-021-00384-9
• M. Lederer, P. Bagul, D. Lehninger, K. Mertens, A. Reck, R. Olivo, T. Kämpfe, K. Seidel, L.M. Eng.
  "Influence of Annealing Temperature on the Structural and Electrical Properties of Si-Doped Ferroelectric Hafnium Oxide."
  ACS Applied Electronic Materials 3, 4115-4120 (2021).
  doi:10.1021/acsaelm.1c00590
• R. Albrecht, M. Hoelzel, H. Beccard, M. Rüsing, L.M. Eng, T. Doert, M. Ruck.
  "Potassium Ion Conductivity in the Cubic Labyrinth of a Piezoelectric, Antiferromagnetic Oxoferrate(III) Tellurate(VI)."
  Chemistry - A European Journal 27, 14299-14306 (2021).
  doi:10.1002/chem.202102464
• P. Milde, M. Langenhorst, H. Hoelscher, J. Rottmann-Matthes, D. Hundertmark, L. M. Eng, R. Hoffmann-Vogel.
  "Out-of-equilibrium optomechanical resonance self-excitation."
  Journal of Applied Physics 130, 035303 (2021).
  doi:10.1063/5.0054509
• M. Lederer, K. Mertens, A.M. Kia, J. Emara, R. Olivo, Y. Raffel, D. Lehninger, T. Ali, K. Kühnel, K. Seidel, T. Kämpfe, L.M. Eng. 
  "Impact of the interface layer on the cycling behaviour and retention of ferroelectric hafnium oxide."
  MRS Advances 6, 525-529 (2021).
  doi:10.1557/s43580-021-00102-4
• E. Beyreuther, J, Ratzenberger, M. Roeper, B. Kirbus, M. Rüsing, L.I. Ivleva, L.M. Eng.
  "Photoconduction of Polar and Nonpolar Cuts of Undoped Sr_0.61Ba_0.39Nb₂O₆ Single Crystals."
  Crystals 11, 780 (2021).
  doi:10.3390/cryst11070780
• F. Jach, F.R. Wagner, Z.H. Amber, M. Rüsing, J. Hunger, Y. Prots, M. Kaiser, M. Bobnar, A. Jesche, L.M. Eng, M. Ruck, P. Hoehn. 
  "Tricyanidoferrates(-IV) and Ruthenates(-IV) with Non-Innocent Cyanido Ligands."
  Angewandte Chemie - International Edition 60, 15879-15885 (2021).
  doi:10.1002/anie.202103268
• B.E. Zuniga Cespedes, P. Vir, P. Milde, C. Felser, L.M. Eng.
  "Critical sample aspect ratio and magnetic field dependence for antiskyrmion formation in Mn_1.4PtSn single crystals."
  Physical Review B 103, 184411 (2021).
  doi:10.1103/PhysRevB.103.184411
• Z. Yao , X. Chen , L. Wehmeier , S. Xu , Y. Shao , Z. Zeng , F. Liu , A. McLeod , S.N. Gilbert Corder , M. Tsuneto , W. Shi , Z. Wang , W. Zheng , H.A. Bechtel , G.L. Carr , M.C. Martin , A. Zettl , D.N. Basov , X. Chen , L.M. Eng , S.C. Kehr, M. Liu.
  "Probing subwavelength in-plane anisotropy with antenna-assisted infrared nano-spectroscopy."
  Nature Communications 12, 2649 (2021).
  doi:10.1038/s41467-021-22844-3
• C. Mart, N.-D. Kohlenbach, K. Kühnel, S. Esslinger, M. Czernohorsky, T. Ali, W. Weinreich, L.M. Eng. 
  "Aging in Ferroelectric Si-Doped Hafnium Oxide Thin Films."
  Physica Status Solidi - Rapid Research Letters 15, 2100023 (2021).
  doi:10.1002/pssr.202100023

• M. Lederer, R. Olivo, D. Lehninger, S. (Abdulazhanov, T. Kämpfe, S. Kirbach, C. Mart, K. Seidel, L.M. Eng.

  "On the Origin of Wake-Up and Antiferroelectric-Like Behavior in Ferroelectric Hafnium Oxide."
  Physica Status Solidi - Rapid Research Letters 15, 2100086 (2021).
  doi:10.1002/pssr.202100086

• C. Mart, T. Kämpfe, K. Kühnel, M. Czernohorsky, S. Kolodinski, M. Wiatr, W. Weinreich, L.M. Eng.
  "Enhanced pyroelectric response at morphotropic and field-induced phase transitions in ferroelectric hafnium oxide thin films."
  APL Materials 9, 051120 (2021).
  doi:10.1063/5.0051329

• T. Ali, K. Mertens, R. Olivo, M. Rudolph, S. Oehler, K. Kühnel, D. Lehninger, F. Müller, R. Hoffmann, P. Schramm, K. Biedermann, J. Metzger, R. Binder, M. Czernohorsky, T. Kämpfe, J. Müller, K. Seidel, J. Van Houdt, L.M. Eng.
  "Impact of the Nonlinear Dielectric Hysteresis Properties of a Charge Trap Layer in a Novel Hybrid High-Speed and Low-Power Ferroelectric or Antiferroelectric HSO/HZO Boosted Charge Trap Memory."
  IEEE Transactions on Electron Devices 68, 2098-2106 (2021).
  doi:10.1109/TED.2021.3049758

• F.H. Feres, R.A. Mayer, L. Wehmeier, F.C.B. Maia, E. Viana, A. Malachias, H.A. Bechtel, J.M. Klopf, L.M. Eng, S.C. Kehr, J. González, R. Freitas, I. Barcelos.
  "Sub-diffractional cavity modes of terahertz hyperbolic phonon polaritons in tin oxide."
  Nature Communications 12, 1995 (2021).
  doi:10.1038/s41467-021-22209-w

• J. Eckert, J.J.W. van Loon, L.M. Eng, T. Schmidt. 
  "Hypergravity affects cell traction forces of fibroblasts."
  Biophysical Journal 120, 773-780 (2021).
  doi:10.1016/j.bpj.2021.01.021

• S. Reitzig, M. Rüsing, J. Zhao, B. Kirbus, S. Mookherjea, L.M. Eng.
  ""Seeing Is Believing"-In-Depth Analysis by Co-Imaging of Periodically-Poled X-Cut Lithium Niobate Thin Films."
  Crystals 11, 288 (2021).
  doi:10.3390/cryst11030288

• T. Nörenberg, L. Wehmeier, D. Lang, S.C. Kehr, L.M. Eng.
  "Compensating for artifacts in scanning near-field optical microscopy due to electrostatics."
  APL Photonics 6, 036102 (2021).
  doi:10.1063/5.0031395 
• M. Lederer, A. Reck, K. Mertens, R. Olivo, P. Bagul, A. Kia, B. Volkmann, T. Kämpfe,K. Seidel, L.M. Eng.
  "Impact of the SiO₂ interface layer on the crystallographic texture of ferroelectric hafnium oxide."
  Applied Physics Letters 118, 012901 (2021).
  doi:10.1063/5.0029635
• T.V.A.G. de Oliveira, T. Nörenberg, G. Álvarez-Pérez, L. Wehmeier, J. Taboada-Gutiérrez, M. Obst, F. Hempel, E.J.H. Lee, J.M. Klopf, I. Errea, A.Y. Nikitin, S.C. Kehr, P. Alonso-González, L.M. Eng.
  "Nanoscale-confined Terahertz Polaritons in a van der Waals Crystal."
  Advanced Materials 33, 2005777 (2021).     
  doi:10.1002/adma.202005777

2020

• K.J. Lee, E. Beyreuther, S.A. Jalil, S.J. Kim, L.M. Eng, C. Guo, P. Andre.
  "Optical-field driven charge-transfer modulations near composite nanostructures."
  Nature Communications 11, 6150 (2020).
  doi:10.1038/s41467-020-19423-3
• M. Lederer, F. Müller, K. Kühnel, R. Olivo, K. Mertens, M. Trentzsch, S. Dünkel, J. Müller, S. Beyer, K. Seidel, T. Kämpfe, L.M. Eng.
  "Integration of Hafnium Oxide on Epitaxial SiGe for p-type Ferroelectric FET Application."
  IEEE Electron Device Letters 41, 1762-1765 (2020).
  doi:10.1109/LED.2020.3031308
• A.S. Sukhanov, B.E. Cespedes Zuniga, P. Vir, A.S. Cameron, A. Heinemann, N. Martin,G. Chaboussant, V. Kumar, P. Milde, L.M. Eng, C. Felser, D.S. Inosov.
  "Anisotropic fractal magnetic domain pattern in bulk Mn_1.4PtSn."
  Physical Review B 102, 174447 (2020).
  doi:10.1103/PhysRevB.102.174447
• H. Amin Pour, L.M. Eng, S.C. Kehr.
  "Spatially confined vector fields at material-induced resonances in near-field- coupled systems."
  Optics Express 28, 32316 (2020).
  doi:10.1364/OE.402893
• T. Kämpfe, B. Wang, A. Haussmann, L.-Q. Chen, L.M. Eng.
  "Tunable Non-Volatile Memory by Conductive Ferroelectric Domain Walls in Lithium Niobate Thin Films."
  Crystals 10, 804 (2020).
  doi:10.3390/cryst10090804
• S. Messerschmidt, A. Krampf, L. Vittadello, M. Imlau, T. Nörenberg, L.M. Eng, D. Emin.
  "Small-Polaron Hopping and Low-Temperature (45–225 K) Photo-Induced Transient Absorption in Magnesium-Doped Lithium Niobate."    
  Crystals 10, 809 (2020).
  doi:10.3390/cryst10090809
• C. Mart, T. Kämpfe, M. Czernohorsky, S. Esslinger, S. Kolodinski, M. Wiatr, W. Weinreich, L.M. Eng.
  "The electrocaloric effect in doped hafnium oxide: Comparison of direct and indirect measurements."
  Applied Physics Letters 117, 042903 (2020).
  doi:10.1063/5.0012746
• P. Milde, L. Köhler, E. Neuber, P. Ritzinger, M. Garst, A. Bauer, C. Pfleiderer, H. Berger, L.M. Eng.
  "Field-induced reorientation of helimagnetic order in Cu₂OSeO₃ probed by magnetic force microscopy."
  Physical Review B 102, 024426 (2020).
  doi:10.1103/PhysRevB.102.024426
• K. Geirhos, B. Gross, B.G. Szigeti, A. Mehlin, S. Philipp, J.S. White, R. Cubitt, S. Widmann, S. Ghara, P. Lunkenheimer, V. Tsurkan, E. Neuber, D. Ivaneyko, P. Milde, L.M. Eng, A.O. Leonov, S. Bordacs, M. Poggio, I. Kezsmarki.
  "Macroscopic manifestation of domain-wall magnetism and magnetoelectric effect in a Neel-type skyrmion host."
  NPJ Quantum Materials 5, 44 (2020).
  doi:10.1038/s41535-020-0247-z
• T. Ali, K. Kühnel, M. Czernohorsky, C. Mart, M. Rudolph, B. Pätzold, M. Lederer, R. Olivo, D. Lehninger, F. Müller, R. Hoffmann, J. Metzger, R. Binder, P. Steinke, T. Kämpfe, J. Müller, K. Seidel, L.M. Eng.
  "A Study on the Temperature-Dependent Operation of Fluorite-Structure-Based Ferroelectric HfO₂ Memory FeFET: A Temperature-Modulated Operation."
  IEEE Transactions on Electron Devices 67, 2793-2799 (2020).
  doi:10.1109/TED.2020.2996582
• T. Ali, K. Kühnel, M. Czernohorsky, C. Mart, M. Rudolph, B. Pätzold, M. Lederer, R. Olivo, D. Lehninger, F. Müller, R. Hoffmann, J. Metzger, R. Binder, P. Steinke, T. Kämpfe, J. Müller, K. Seidel, L.M. Eng.
  "A Study on the Temperature-Dependent Operation of Fluorite-Structure-Based Ferroelectric HfO₂ Memory FeFET: Pyroelectricity and Reliability."
  IEEE Transactions on Electron Devices 67, 2981-2987 (2020).
  doi:10.1109/TED.2020.2995781
• D. Tan, B. Kirbus, L.M. Eng, M. Ruck.
  "Nanostructured Borate Halides for Optical Second Harmonic Generation at Surfaces."
  European Journal of Inorganic Chemistry 25, 2465-2469 (2020).
  doi:10.1002/ejic.202000286
• A. Soltani, F. Kuschewski, M. Bonmann, A. Generalov, A. Vorobiev, F. Ludwig, M.M. Wiecha, D. Čibiraitė, F. Walla, S. Winnerl, S.C. Kehr, L.M. Eng, J. Stake, H. Roskos.
  "Direct nanoscopic observation of plasma waves in the channel of a graphene field-effect transistor."
  Light: Science & Applications 9, 97 (2020).
  doi: 10.1038/s41377-020-0321-0
• J. Zhao, M. Rüsing, M. Roeper, L.M. Eng, S. Mookherjea.
  "Poling thin-film x-cut lithium niobate for quasi-phase matching with sub-micrometer periodicity."
  Journal of Applied Physics 127, 193104 (2020).
  doi:10.1063/1.5143266
• D. Tan, B. Kirbus, M. Rüsing, T. Pietsch, M. Ruck, L.M. Eng.
  "Resource-Efficient Low-Temperature Synthesis of Microcrystalline Pb₂B₅O₉X (X = Cl, Br) for Surfaces Studies by Optical Second Harmonic Generation."
  Small 16, 2000857 (2020).
  doi:10.1002/smll.202000857
• L. Wehmeier, T. Nörenberg, T.V.A.G. de Oliveira, J.M. Klopf, S.-Y. Yang, L.W. Martin, R. Ramesh, L.M. Eng, S.C. Kehr.
  "Phonon-induced near-field resonances in multiferroic BiFeO₃ thin films at infrared and THz wavelengths."
  Applied Physics Letters 116, 071103 (2020).  
  doi: 10.1063/1.5133116
• M. Lederer, T. Kämpfe, N. Vogel, D. Utess, B. Volkmann, T. Ali, R. Olivo, J. Müller, S. Beyer, M. Trentzsch, K. Seidel, L.M. Eng.
  "Structural and Electrical Comparison of Si and Zr Doped Hafnium Oxide Thin Films and Integrated FeFETs Utilizing Transmission Kikuchi Diffraction."
  Nanomaterials 10, 384 (2020).
  doi:10.3390/nano10020384
• G. Malsch, D. Ivaneyko, P. Milde, L. Wysocki, L. Yang, P.H.M. van Loosdrecht, I. Lindfors-Vrejoiu, L.M. Eng. 
  "Correlating the Nanoscale Structural, Magnetic, and Magneto-Transport Properties in SrRuO₃-Based Perovskite Thin Films: Implications for Oxide Skyrmion Devices."
  ACS Applied Nano Materials 3, 1182-1190 (2020). 
  doi:10.1021/acsanm.9b01918
• C. Mart, T. Kämpfe, R. Hoffmann, S. Esslinger, S. Kirbach, K. Kühnel, M. Czernohorsky, L.M. Eng, W. Weinreich.
  "Piezoelectric Response of Polycrystalline Silicon-Doped Hafnium Oxide Thin Films Determined by Rapid Temperature Cycles."
  Advanced Electronic Materials 6, 1901015 (2020).
  doi:10.1002/aelm.201901015

2019

• B. Kirbus, C. Godau, L. Wehmeier, H. Beccard, E. Beyreuther, A. Haußmann, L. M. Eng.
  "Real-Time 3D Imaging of Nanoscale Ferroelectric Domain Wall Dynamics in Lithium Niobate Single Crystals under Electric Stimuli: Implications for Domain-Wall-Based Nanoelectronic Devices."
  ACS Applied Nano Materials 2, 5787-5794 (2019).
  doi: 10.1021/acsanm.9b01240
• T. Ali, P. Polakowski, T. Buettner, T. Kämpfe, M. Rudolph, B. Paetzold, R. Hoffmann, M. Czernohorsky, K. Kühnel, P. Steinke, K. Zimmermann, K. Biedermann, L.M. Eng, K. Seidel, J. Müller.
  "Theory and Experiment of Antiferroelectric (AFE) Si-Doped Hafnium Oxide (HSO) Enhanced Floating-Gate Memory."
  IEEE Transactions on Electron Devices 66, 3356-3364 (2019).
  doi:10.1109/TED.2019.2921618
• L. Wehmeier, D. Lang, Y. Liu, X. Zhang, S. Winnerl, L.M. Eng, S.C Kehr.
  "Polarization-dependent near-field phonon nanoscopy of oxides: SrTiO₃, LiNbO₃, and PbZr_0.2Ti_0.8O₃."
  Physical Review B 100, 035444 (2019). 
  doi: 10.1103/PhysRevB.100.035444
• P. Milde, E. Neuber, A. Bauer, C. Pfleiderer, L.M. Eng.
  "Surface pinning and triggered unwinding of skyrmions in a cubic chiral magnet."
  Physical Review B 100, 024408 (2019).
  doi:10.1103/PhysRevB.100.024408
• S. Barth, S. Derenko, H. Bartzsch, O. Zywitzki, T. Modes, F. Patrovsky, V. Fiehler, T. Uhlig, P. Frach, L.M. Eng. 
  "Influence of growth conditions and film thickness on the anodization behavior of sputtered aluminum films and the fabrication of nanorod arrays."
  Thin Solid Films 676, 1-7 (2019).
  doi:10.1016/j.tsf.2019.02.032
• D. Lang, L. Balaghi, S. Winnerl, H. Schneider, R. Hübner, S.C. Kehr, L.M. Eng, M. Helm, E. Dimakis, A. Pashkin.
  "Nonlinear plasmonic response of doped nanowires observed by infrared nanospectroscopy."
  Nanotechnology 30, 084003 (2019). 
  doi: 10.1088/1361-6528/aaf5a7

2018

• E. Neuber, P. Milde, A. Butykai, S. Bordacs, H. Nakamura, T. Waki, Y. Tabata, K. Geirhos, P. Lunkenheimer, I. Kersmarki, P. Ondrejkovic, J. Hlinka, L.M. Eng.
  "Architecture of nanoscale ferroelectric domains in GaMo₄S₈."
  Journal of Physics: Condensed Matter 30, 445402 (2018).
  doi:10.1088/1361-648X/aae448
• E. Beyreuther, S. Grafström, L.M. Eng.
  "Designing a Robust Kelvin Probe Setup Optimized for Long-Term Surface Photovoltage Acquisition."
  Sensors 18, 4068 (2018).
  doi:10.3390/s18114068
• J. Döring, D. Lang, L. Wehmeier, F. Kuschewski, T. Nörenberg, S.C. Kehr, L.M. Eng.
  "Low-temperature nanospectroscopy of the structural ferroelectric phases in single-crystalline barium titanate."
  Nanoscale 10, 18074-18079 (2018).
  doi: 10.1039/C8NR04081H
• S.Y. Xiao, T. Kämpfe, Y.M. Jin, A. Haussmann, X.M. Lu, L.M. Eng. 
  "Dipole-Tunneling Model from Asymmetric Domain-Wall Conductivity in LiNbO₃ Single Crystals."
  Physical Review Applied 10, 034002 (2018).
  doi:10.1103/PhysRevApplied.10.034002
• S. Klinghammer, T. Uhlig, F. Patrovsky, M. Böhm, J. Schütt, N. Pütz, L. Baraban, L.M. Eng, G. Cuniberti. 
  "Plasmonic Biosensor Based on Vertical Arrays of Gold Nanoantennas."
  ACS Sensors 3, 1392-1400 (2018).
  doi:10.1021/acssensors.8b00315
• P. Reichenbach, T. Kämpfe, A. Haussmann, A. Thiessen, T. Woike, R. Steudtner, L. Kocsor, Z. Szaller, L. Kovacs, L.M. Eng.
  "Polaron-Mediated Luminescence in Lithium Niobate and Lithium Tantalate and Its Domain Contrast."
  Crystals 8, 214 (2019).
  doi:10.3390/cryst8050214
• T. Firkala, F. Kuschewski, T. Nörenberg, J.M. Klopf, A. Pashkin, H. Foerstendorf, M. Rudolph, S.C. Kehr, L.M. Eng.
  "Near-field Optical Examination of Potassium n-Butyl Xanthate/Chalcopyrite Flotation Products."
  Minerals 8, 118 (2018).
  doi: 10.3390/min8030118
• D. Lang, J. Döring, T. Nörenberg, Á. Butykai, I. Kézsmárki, H. Schneider, S. Winnerl, M. Helm, S.C. Kehr, L.M. Eng.
  "Infrared nanoscopy down to liquid helium temperatures."
  Review of Scientific Instruments 89, 033702 (2018).
  doi: 10.1063/1.5016281
• B. Wolba, J. Seidel, C. Cazorla, C. Godau, A. Haussmann, L.M. Eng.
  "Resistor Network Modeling of Conductive Domain Walls in Lithium Niobate."
  Advanced Electronic Materials 4, 1700242 (2018).
  doi:10.1002/aelm.201700242

2017

• L. Wehmeier, T. Kämpfe, A. Haussmann, L.M. Eng. 
  "In Situ 3D Observation of the Domain Wall Dynamics in a Triglycine Sulfate Single Crystal upon Ferroelectric Phase Transition."
  Physica Status Solidi - Rapid Research Letters 11, 1700267 (2017).
  doi:10.1002/pssr.201700267
• S.R. Johnston, Y. Yang, Y.-T. Cui, E.Y. Ma, T. Kämpfe, L.M. Eng, J. Zhou, Y.-F. Chen, M. Lu, Z.X. Shen.
  "Measurement of surface acoustic wave resonances in ferroelectric domains by microwave microscopy."
  Journal of Applied Physics 122, 074101 (2017).
  doi:10.1063/1.4997474
• A.-S. Pawlik, T. Kämpfe, A. Haussmann, T. Woike, U. Treske, M. Knupfer, B. Büchner, E. Soergel, R. Streubel, A. Koitzsch, L.M. Eng.
  "Polarization driven conductance variations at charged ferroelectric domain walls."
  Nanoscale 9, 10933-10939 (2017).
  doi:10.1039/c7nr00217c
• A. Haussmann, L. Kirsten, S. Schmidt, P. Cimalla, L. Wehmeier, E. Koch, L.M. Eng.
  "Three-Dimensional, Time-Resolved Profiling of Ferroelectric Domain Wall Dynamics by Spectral-Domain Optical Coherence Tomography."
  Annalen der Physik 529, 1700139 (2017).
  doi:10.1002/andp.201700139
• L. Kirsten, A. Haussmann, C. Schnabel, S. Schmidt, P. Cimalla, L.M. Eng, E. Koch.
  "Advanced analysis of domain walls in Mg doped LiNbO₃ crystals with high resolution OCT."
  Optics Express 25, 14871-14882 (2017).
  doi:10.1364/OE.25.014871
• M. Böhm, T. Uhlig, S. Derenko, L.M. Eng.
  "Mechanical tuning of plasmon resonances in elastic, two-dimensional gold-nanorod arrays."
  Optical Materials Express 7, 1882-1897 (2017).
  doi:10.1364/OME.7.001882
• F. Patrovsky, V. Fiehler, S. Derenko, S. Barth, H. Bartzsch, K. Ortstein, P. Frach, L.M. Eng. 
  "Anodization of sputtered substoichiometric aluminum oxide thin-films for improved nanorod array fabrication."
  Materials Research Express 4, 055010 (2017).
  doi:10.1088/2053-1591/aa6e62
• C. Godau, T. Kämpfe, A. Thiessen, L.M. Eng, A. Haussmann.
  "Enhancing the Domain Wall Conductivity in Lithium Niobate Single Crystals."
  ACS Nano 11, 4816-4824 (2017).
  doi:10.1021/acsnano.7b01199
• A. Butykai, S. Bordács, I. Kézsmárki, V. Tsurkan, A. Loidl, J. Döring, E. Neuber, P. Milde, S.C. Kehr, L.M. Eng.
  "Characteristics of ferroelectric-ferroelastic domains in Néel-type skyrmion host GaV₄S₈." 
  Scientific Reports 7, 44663 (2017).
  doi: 10.1038/srep44663
• H.-J. Liu, C.-K. Wang, D. Su, T. Amrillah, Y.-H. Hsieh, K.-H. Wu, Y.-C. Chen, J.-Y. Juang, L.M. Eng, S.-U. Jen, Y.-H. Chu.
  "Flexible Heteroepitaxy of CoFe₂O₄/Muscovite Bimorph with Large Magnetostriction."
  ACS Applied Materials & Interfaces 9, 7297-7304 (2017).
  doi:10.1021/acsami.6b16485
• A. Haussmann, A. Gemeinhardt, M. Schröder, T. Kämpfe, L.M. Eng.
  "Bottom-Up Assembly of Molecular Nanostructures by Means of Ferroelectric Lithography."
  Langmuir 33, 475-484 (2017).
  doi:10.1021/acs.langmuir.6b03405
• S.C. Kehr, J. Döring, M. Gensch, M. Helm, L.M. Eng.
  "FEL-Based Near-Field Infrared to THz Nanoscopy."
  Synchrotron Radiation News 30 (4), 31-35 (2017). 
  doi: 10.1080/08940886.2017.1338421
• A. Haußmann, L. Kirsten, S. Schmidt, P. Cimalla, L. Wehmeier, E. Koch, L. M. Eng. "Three-Dimensional, Time-Resolved Profiling of Ferroelectric Domain Wall Dynamics by Spectral-Domain Optical Coherence Tomography."
  Annalen der Physik 529, 1700139 (2017).
  doi: 10.1002/andp.201700139

2016

• P.-C. Wu, P.-F. Chen, T.H. Do, Y.-H. Hsieh, C.-H. Ma, T.D.  Ha, K.-H. Wu, Y.-J. Wang, H.-B. Li, Y.-C. Chen, j.-Y. Juang, P. Yu, L.M. Eng, C.-F. Chang, P.-W. Chiu, L. H. Tjeng, Y.-H. Chu.
  "Heteroepitaxy of Fe₃O₄/Muscovite: A New Perspective for Flexible Spintronics."
  ACS Applied Materials & Interfaces 8, 33794-33801 (2016).
  doi:10.1021/acsami.6b11610
• P. Milde, E. Neuber, A. Bauer, C. Pfleiderer, H. Berger, L.M. Eng.
  "Heuristic Description of Magnetoelectricity of Cu₂OSeO₃."
  Nano Letters 16, 5612-5618 (2016).
  doi:10.1021/acs.nanolett.6b02167
• J. Döring, L.M. Eng, S.C. Kehr.
  "Low-temperature piezoresponse force microscopy on barium titanate." 
  Journal of Applied Physics 120, 84103 (2016).
  doi: 10.1063/1.4961523
• B. Iyisan, A. Janke, P. Reichenbach, L.M. Eng, D. Appelhans, B. Voit.
  "Immobilized Multifunctional Polymersomes on Solid Surfaces: Infrared Light-Induced Selective Photochemical Reactions, pH Responsive Behavior, and Probing Mechanical Properties under Liquid Phase."
  ACS Applied Materials & Interfaces 8, 15788-15801 (2016).
  doi:10.1021/acsami.6b03525
• V. Fiehler, F. Patrovsky, L. Ortmann, S. Derenko, A. Hille, L.M. Eng.
  "Plasmonic Nanorod Antenna Array: Analysis in Reflection and Transmission."
  Journal of Physical Chemistry C 120, 12178-12186 (2016).
  doi:10.1021/acs.jpcc.6b02419
• Y. Zhang, T. Kämpfe, G. Bai, M. Mietschke, F.F. Yuan, M. Zopf, S. Abel, L.M. Eng, R. Hühne, J. Fompeyrine, F. Ding, O.G. Schmidt.
  "Upconversion photoluminescence of epitaxial Yb³⁺/Er³⁺ codoped ferroelectric Pb(Zr,Ti)O₃ films on silicon substrates."
  Thin Solid Films 607, 32-35 (2016).
  doi:10.1016/j.tsf.2016.03.046
• T. Kämpfe, A. Haussmann, L.M. Eng, P. Reichenbach, A. Thiessen, T. Woike, R. Steudtner.
  "Time-resolved photoluminescence spectroscopy of Nb⁴⁺_Nb and O⁻ polarons in LiNbO₃ single crystals."
  Physical Review B 93, 174116 (2016).
  doi:10.1103/PhysRevB.93.174116
• S.L. Zhang, A. Bauer, D.M. Burn, P. Milde, E. Neuber, L.M. Eng, H. Berger, C. Pfleiderer, G. van der Laan, T. Hesjeda.
  "Multidomain Skyrmion Lattice State in Cu₂OSeO₃."
  Nano Letters 16, 3285-3291 (2016).
  doi:10.1021/acs.nanolett.6b00845
• F. Kuschewski, H.-G. von Ribbeck, J. Döring, S. Winnerl, L.M. Eng, S.C. Kehr
  "Narrow-band near-field nanoscopy in the spectral range from 1.3 to 8.5 THz."
  Applied Physics Letters 108, 113102 (2016).
  doi: 10.1063/1.4943793
• A. Hille, M. Moeferdt, C. Wolff, C. Matyssek, R. Rodriguez-Oliveros, C. Prohm, J. Niegemann, S. Grafström, L.M. Eng, K. Busch.
  "Second Harmonic Generation from Metal Nano-Particle Resonators: Numerical Analysis On the Basis of the Hydrodynamic Drude Model."
  Journal of Physical Chemistry C 120, 1163-1169 (2016).
  doi:10.1021/acs.jpcc.5b08348
• S.C. Kehr, R.G.P. McQuaid, L. Ortmann, T. Kämpfe, F. Kuschewski, D. Lang, J. Döring, J.M. Gregg, L.M. Eng.
  "A Local Superlens." 
  ACS Photonics 3, 20-26 (2016).
  doi: 10.1021/acsphotonics.5b00365

2015

• J. Murawski, T. Mönch, P. Milde, M.P. Hein, S. Nicht, U. Zerweck-Trogisch, L.M. Eng.
  "Tracking speed bumps in organic field-effect transistors via pump-probe Kelvin-probe force microscopy."
  Journal of Applied Physics 118, 244502 (2015).
  doi:10.1063/1.4938529
• I. Kezsmarki, S. Bordacs, P. Milde, E. Neuber, L.M. Eng, J.S. White, H.M. Ronnow, C.D. Dewhurst, M. Mochizuki, K. Yanai, H. Nakamura, D. Ehlers, V. Tsurkan, A. Loidl.
  "Neel-type skyrmion lattice with confined orientation in the polar magnetic semiconductor GaV₄S₈."
  Nature Materials 14, 1116 (2015).
  doi.10.1038/NMAT4402
• J. Murawski, T. Graupner, P. Milde, R. Raupach, U. Zerweck-Trogisch, L.M. Eng.
  "Pump-probe Kelvin-probe force microscopy: Principle of operation and resolution limits."
  Journal of Applied Physics 118, 154302 (2015).
  doi:10.1063/1.4933289
• T. Kämpfe, P. Reichenbach, A. Haussmann, T. Woike, E. Soergel, L.M. Eng.
  "Real-time three-dimensional profiling of ferroelectric domain walls."
  Applied Physics Letters 107, 152905 (2015).
  doi:10.1063/1.4933171
• F. Kuschewski, S.C. Kehr, B. Green, Ch. Bauer, M. Gensch, L.M. Eng.
  "Optical nanoscopy of transient states in condensed matter." 
  Scientific Reports 5 (2015).
  doi: 10.1038/srep12582
• A. Thiessen, E. Beyreuther, R. Werner, D. Koelle, R. Kleiner, L.M. Eng.
  "Quantifying the electrical transport characteristics of electron-doped La_0.7Ce_0.3MnO₃ thin films through hopping energies, Mn valence, and carrier localization length."
  Journal of Physics and Chemistry of Solids 80, 26-33 (2015).
  doi:10.1016/j.jpcs.2014.12.014
• M. Fehrenbacher, S. Winnerl, H. Schneider, J. Döring, S.C. Kehr, L.M. Eng, Y. Huo,  O.G. Schmidt, K. Yao, Y. Liu,  M. Helm.
  "Plasmonic superlensing in doped GaAs." 
  Nano Letters 15, 1057-1061 (2015).
  doi: 10.1021/nl503996q
• A. Thiessen, E. Beyreuther, R. Werner, D. Koelle, R. Kleiner, L.M. Eng.
  "Conductivity and magnetoresistance of La_0.7Ce_0.3MnO_3-δ thin films under photoexcitation."
  Journal of Physics: Condensed Matter 27, 025503 (2015).
  doi:10.1088/0953-8984/27/2/025503

Before 2015

51 Entries

2013

• In situ self-assembled organic interface layers for the controlled growth of oligothiophene thin films on ferroelectric Pb(Zr_0.2Ti_0.8)O₃Milde, P., Schoenfelder, R., Koitzsch, A., Haubner, K., Zerweck-Trogisch, U., Jaehne, E. & Eng, L. M., 7 Dec 2013, In: Journal of Chemical Physics. 139, 21, 7 p., 214702Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Unwinding of a Skyrmion Lattice by Magnetic MonopolesMilde, P., Koehler, D., Seidel, J., Eng, L. M., Bauer, A., Chacon, A., Kindervater, J. & 5 others, 31 May 2013, In: Science. 340, 6136, p. 1076-1080, 5 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Strain-mediated elastic coupling in magnetoelectric nickel/barium-titanate heterostructuresStreubel, R., Köhler, D., Schäfer, R. & Eng, L. M., 13 Feb 2013, In: Physical Review B - Condensed Matter and Materials Physics. 87, 5, 054410Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Conducting and insulating LaAlO₃/SrTiO₃ interfaces: A comparative surface photovoltage investigationBeyreuther, E., Paparo, D., Thiessen, A., Grafström, S. & Eng, L. M., 2013, In: Journal of Applied Physics. 114, 24, p. 15418-15429, 12 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Electronic surface properties of SrTiO₃ derived from a surface photovoltage studyBeyreuther, E., Becherer, J., Thiessen, A., Grafstroem, S. & Eng, L. M., 2013, In: Surface Science. 612, p. 1-9, 9 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Local photochemical plasmon mode tuning in metal nanoparticle arraysDerenko, S., Kullock, R., Wu, Z., Sarangan, A., Schuster, C., Eng, L. M. & Härtling, T., 2013, In: Optical materials express. 3, 6, p. 794-805, 12 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Probing the local surface potential and quantum capacitance in single and multi-layer grapheneWagner, T., Koehler, D., Milde, P. & Eng, L. M., 2013, In: Applied Physics Letters. 2, p. 15418-15429, 12 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article

2012

• Enhanced piezoelectric response in nano-patterned lead zirconate titanate thin filmsWaegner, M., Schröder, M., Suchaneck, G., Sturm, H., Weimann, C., Eng, L. M. & Gerlach, G., Nov 2012, In: Japanese journal of applied physics. 51, 11 PART2, 11PG04Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Intersublevel spectroscopy on single InAs-quantum dots by terahertz near-field microscopyJacob, R., Winnerl, S., Fehrenbacher, M., Bhattacharyya, J., Schneider, H., Wenzel, M. T., Ribbeck, H. G. V. & 4 others, 8 Aug 2012, In: Nano letters. 12, 8, p. 4336-4340, 5 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Conducting Domain Walls in Lithium Niobate Single CrystalsSchroeder, M., Haussmann, A., Thiessen, A., Soergel, E., Woike, T. & Eng, L. M., 2012, In: Advanced Functional Materials. 22, 18, p. 3936-3944, 9 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article

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Preprints

ArXiv preprints from Lukas Eng