Johannes Niskanen

- University Research Fellow,
Materials Research Laboratory (Department of Physics and Astronomy)

johannes.niskanen@utu.fi

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X-ray; spectroscopy; molecule; liquids; statistical simulation; machine learning

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Time-resolved dynamics of thiophene dication - probing parent molecule survival times and multi-step dissociation processes of cyclic molecules by free-electron-laser experiments combined with theoretical simulations (2020)
- Journal of Physics: Conference Series
31st International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC XXXI) 23-30 July 2019, Deauville, France Kukk E, Fukuzawa H, Nagaya K, Niskanen J, Luo Y, Peschel J, Kooser K, Itl E, Pelimanni E, Saito S, You D, Maclot S, Nizou A, Ha DT, Myllynen H, Ueda K
Compatibility of quantitative X-ray spectroscopy with continuous distribution models of water at ambient conditions (2019)
- Proceedings of the National Academy of Sciences of the United States of America
Johannes Niskanen, Mattis Fondell, Christoph J. Sahle, Sebastian Eckert, Raphael M. Jay, Keith Gilmore, Annette Pietzsch, Marcus Dantz, Xingye Lu, Daniel E. McNally, Thorsten Schmitt, Vinicius Vaz da Cruz, Victor Kimberg, Faris Gel’mukhanov, Alexander Föhlisch
Controlling NO Production Upon Valence Ionization of Nitroimidazoles (2019)
- Journal of Physical Chemistry A
Eero Itälä, Hanna Myllynen, Johannes Niskanen, Jesús González-Vázquez, Yang Wang, Dang Trinh Ha, Stephan Denifl, Edwin Kukk
Nuclear dynamics in resonant inelastic X-ray scattering and X-ray absorption of methanol (2019)
- Journal of Chemical Physics
da Cruz VV, Ignatova N, Couto RC, Fedotov DA, Rehn DR, Savchenko V, Norman P, Agren H, Polyutov S, Niskanen J, Eckert S, Jay RM, Fondell M, Schmitt T, Pietzsch A, Fohlisch A, Gel'mukhanov F, Odelius M, Kimberg V
Probing hydrogen bond strength in liquid water by resonant inelastic X-ray scattering (2019)
- Nature Communications
da Cruz VV, Gel'mukhanov F, Eckert S, Iannuzzi M, Ertan E, Pietzsch A, Couto RC, Niskanen J, Fondell M, Dantz M, Schmitt T, Lu XY, McNally D, Jay RM, Kimberg V, Fohlisch A, Odelius M, Odelius M
Reply to Pettersson et al.: Why X-ray spectral features are compatible to continuous distribution models in ambient water (2019)
- Proceedings of the National Academy of Sciences of the United States of America
Niskanen J., Fondell M., Sahle C.J., Eckert S., Jay R.M., Gilmore K., Pietzsch A., Dantz M., Lu X., McNally D.E., Schmitt T., Vaz da Cruz V., Kimberg V., Gel’mukhanov F., Föhlisch A.
Hydration in aqueous solutions of ectoine and hydroxyectoine (2018)
- Physical Chemistry Chemical Physics
Ch J. Sahle, M. A. Schroer, C. M. Jeffries, J. Niskanen
The nature of frontier orbitals under systematic ligand exchange in (pseudo-)octahedral Fe(II) complexes (2018)
- Physical Chemistry Chemical Physics
Raphael M. Jay, Sebastian Eckert, Mattis Fondell, Piter S. Miedema,
Jesper Norell, Annette Pietzsch, Wilson Quevedo, Johannes Niskanen, Kristjan Kunnus, Alexander Föhlisch