Publications of the SNOM group

2020

• 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, and 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
• L. Wehmeier, T. Nörenberg, T.V.A.G. de Oliveira, J.M. Klopf, S.-Y. Yang, L.W. Martin, R. Ramesh, L.M. Eng, and 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

2019

• M. Chen, J.-C. Deinert, B. Green, Z. Wang, I. Ilyakov, N. Awari, M. Bawatna, S. Germanskiy, T.V.A.G. de Oliveira, G. Geloni, T. Tanikawa, M. Gensch, and S. Kovalev.
  "Pulse and field-resolved THz-diagnostics at 4th generation lightsources."
  Optics Express 27, 32360 (2019).
  doi: 10.1364/OE.27.032360
• L. Wehmeier, D. Lang, Y. Liu, X. Zhang, S. Winnerl, L.M. Eng, and 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
• D. Lang, L. Balaghi, S. Winnerl, H. Schneider, R. Hübner, S.C Kehr, L.M. Eng, M. Helm, E. Dimakis, and A. Pashkin.
  "Nonlinear plasmonic response of doped nanowires observed by infrared nanospectroscopy."
  Nanotechnology 30, 084003 (2019). 
   doi: 10.1088/1361-6528/aaf5a7

2018

• J. Döring, D. Lang, L. Wehmeier, F. Kuschewski, T. Nörenberg, S.C. Kehr, and 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
• T. Firkala, F. Kuschewski, T. Nörenberg, J.M. Klopf, A. Pashkin, H. Foerstendorf, M. Rudolph, S.C. Kehr, and L.M. Eng.
  "Near-field optical examination of potassium n-butyl xanthate / chalcopyrite flotation products."
  Minerals 8 (3), 118 (2018).
  doi: 10.3390/min8030118
• S. Kovalev, Z. Wang, J.-C. Deinert, N. Awari, M. Chen, B. Green, S. Germanskiy, T.V.A.G. de Oliveira, J.S. Lee, A. Deac, D. Turchinovich, N. Stojanovic, S. Eisebitt, I. Radu, S. Bonetti, T. Kampfrath, and M. Gensch.
  "Selective THz control of magnetic order: new opportunities from superradiant undulator sources."
  Journal of Physics D: Applied Physics 51, 114007 (2018).
  doi: 10.1088/1361-6463/aaac75
• D. Lang, J. Döring, T. Nörenberg, Á. Butykai, I. Kézsmárki, H. Schneider, S. Winnerl, M. Helm, S.C. Kehr, and L.M. Eng.
  "Infrared nanoscopy down to liquid helium temperatures."
  Review of Scientific Instruments 89, 033702 (2018).
  doi: 10.1063/1.5016281
• L.M. Eng, F. Kuschewski, J. Döring, L. Wehmeier, Th. de Oliveira, H.-G.g von Ribbeck, D. Lang, B. Green, S. Kovalev, N. Awari, S. Winnerl, M. Helm, M. Gensch, and S.C. Kehr.
  "Near-field THz nanoscopy at novel accelerator-based photon sources (Conference Presentation)."
  Proceedings SPIE 10531, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI, 105310E.
  doi: 10.1117/12.2289463.5751529139001

2017

• S.C. Kehr, J. Döring, M. Gensch, M. Helm, and 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. Butykai, S. Bordács, I. Kézsmárki, V. Tsurkan, A. Loidl, J. Döring, E. Neuber, P. Milde, S.C. Kehr, and L.M. Eng.
  "Characteristics of ferroelectric-ferroelastic domains in Néel-type skyrmion host GaV₄S₈." 
  Scientific Reports 7, 44663 (2017).
  doi: 10.1038/srep44663

2016

• J. Döring, L.M. Eng, and S.C. Kehr.
  "Low-temperature piezoresponse force microscopy on barium titanate." 
  Journal of Applied Physics 120, 84103 (2016).
  doi: 10.1063/1.4961523
• F. Kuschewski, H.-G. von Ribbeck, J. Döring, S. Winnerl, L.M. Eng, and 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
• S.C. Kehr, R.G.P. McQuaid, L. Ortmann, T. Kämpfe, F. Kuschewski, D. Lang, J. Döring, J.M. Gregg, and L.M. Eng.
  "A Local Superlens." 
  ACS Photonics 3, 20-26 (2016).
  doi: 10.1021/acsphotonics.5b00365

2015

• F. Kuschewski, S.C. Kehr, B. Green, Ch. Bauer, M. Gensch, and L.M. Eng.
  "Optical nanoscopy of transient states in condensed matter." 
  Scientific reports 5 (2015).
  doi: 10.1038/srep12582
• M. Fehrenbacher, S. Winnerl, H. Schneider, J. Döring, S.C. Kehr, L.M. Eng, Y. Huo,  O.G. Schmidt, K. Yao, Y. Liu, and M. Helm.
  "Plasmonic superlensing in doped GaAs." 
  Nano letters 15, 1057-1061 (2015).
  doi: 10.1021/nl503996q

List of all publications of Prof. Eng's group

Recent theses of the SNOM group

Recent conference contributions of the SNOM group