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Julian Karst

Phase transition materials
4th Physics Institute


Pfaffenwaldring 57
70569 Stuttgart
Room: 4-509 | Lab: 4-527


Phase transition materials

  • Electrically switchable metallic polymer nanoantennas
    J. Karst, M. Floess, M. Ubl, C. Dingler, C. Malacrida, T. Steinle, S. Ludwigs, M. Hentschel, and H. Giessen
    Science 374, 612 (2021)
  • Liquid Hydrogenation of Plasmonic Nanoantennas via Alcohol Deprotonation
    J. Karst, M. Hentschel, F. Sterl, and H. Giessen
    ACS Photonics 8, 1810 (2021)
  • Tailored optical functionality by combining electron-beam and focused gold-ion beam lithography for solid and inverse coupled plasmonic nanostructures
    M. Hentschel, J. Karst, and H. Giessen
    Adv. Opt. Mater. 8, 2000879 (2020)
  • Electrically switchable metasurface for beam steering using PEDOT polymers
    J. Ratzsch, J. Karst, J. Fu, M. Ubl, T. Pohl, F. Sterl, C. Malacrida, M. Wieland, B. Reineke, T. Zentgraf, S. Ludwigs, M. Hentschel, and H. Giessen
    J. Opt. 22, 124001 (2020)
  • Switchable Optical Nonlinearity at the Metal to Insulator Transition in Magnesium Thin Films
    V. Drechsler, J. Krauth, J. Karst, H. Giessen, and M. Hentschel
    ACS Photonics 7, 1560 (2020)
  • Watching in-situ the hydrogen diffusion dynamics in magnesium on the nanoscale
    J. Karst, F. Sterl, H. Linnenbank, T. Weiss, M. Hentschel, and H. Giessen
    Science Advances 6, eaaz0566 (2020)
  • Optimizing Magnesium Thin Films for Optical Switching Applications: Rules and Recipes
    J. Karst, M. Hentschel, F. Sterl, H. Linnenbank, M. Ubl, and H. Giessen
    Opt. Mater. Express 10, 1346 (2020)
  • Chiral Scatterometry on Chemically Synthesized Single Plasmonic Nanoparticles
    J. Karst, N. H. Cho, H. Kim, H. Lee, K. T. Nam, H. Giessen, and M. Hentschel
    ACS Nano 13, 8659 (2019)
  • Single Plasmonic Oligomer Chiral Spectroscopy
    J. Karst, N. Strohfeldt, M. Schäferling, H. Giessen and M. Hentschel
    Adv. Opt. Mater. 6, 1800087 (2018)
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