Johannes Niskanen
 


johannes.niskanen@utu.fi



Office: 340

Areas of expertise
X-ray; spectroscopy; molecule; liquids; statistical simulation; machine learning

Biography




Teaching




Publications
  
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  • Emulator-based decomposition for structural sensitivity of core-level spectra  (2022)  
    • Royal Society Open Science
     Niskanen Johannes, Vladyka Anton, Niemi Joonas, Sahle Christoph J.
    (    A1 Refereed original research article in a scientific journal)


  • Hydration in aqueous NaCl  (2022)  
    • Physical Chemistry Chemical Physics
     Sahle Christoph J., de Clermont Gallerande Emmanuelle, Niskanen Johannes, Longo Alessandro, Elbers Mirko, Schroer Martin A., Sternemann Christian, Jahn Sandro
    (    A1 Refereed original research article in a scientific journal)


  • Machine learning in interpretation of electronic core-level spectra  (2022)  
    • Journal of Electron Spectroscopy and Related Phenomena
     Niskanen Johannes, Vladyka Anton, Kettunen J. Antti, Sahle Christoph
    (    A1 Refereed original research article in a scientific journal)


  • Time-resolved Imaging of Transient Charge Transfer Dynamics  (2022)  The International Conference on Ultrafast Phenomena (UP) 2022, 18–22 July 2022, Montreal, Quebec, Canada Allum Felix, Kumagai Yoshiaki, Nagaya Kiyonobu, Harries James, Iwayama Hiroshi, Niozu Akinobu, Ashfold Mike, Britton Mathew, Bucksbaum Philip, Brouard Mark, Burt Michael, Heathcote David, Hockett Paul, Howard Andrew, Kukk Edwin, Lee Jason, Liu Yusong, McManus Joseph, Milesevic Dennis, Minns Russell, Niskannen Johannes, Orr-Ewing Andrew, Rolles Daniel, Rudenko Artem, Ueda Kiyoshi, Unwin James, Vallance Claire, Walmsley Tiffanny, Forbes Ruaridh
    (    Other publication)


  • Formative period in the x-ray-induced photodissociation of organic molecules  (2021)  
    • Physical Review Research
     Kukk E., Fukuzawa H., Niskanen J., Nagaya K., Kooser K., You D., Peschel J., Maclot S., Niozu A., Saito S., Luo Y., Pelimanni E., Itälä E., Bozek J.D., Takanashi T., Berholts M., Johnsson P., Ueda K.
    (    A1 Refereed original research article in a scientific journal)


  • Inner-shell-ionization-induced femtosecond structural dynamics of water molecules imaged at an x-ray free-electron laser  (2021)  
    • Physical Review X
     Jahnke T., Guillemin R., Inhester L., Son S.-K., Kastirke G., Ilchen M., Rist J., Trabert D., Melzer N., Anders N., Mazza T., Boll R., De Fanis A., Music V., Weber Th., Weller M., Eckart S., Fehre K., Grundmann S., Hartung A., Hofmann M., Janke C., Kircher M., Nalin G., Pier A., Siebert J., Strenger N., Vela-Perez I., Baumann T. M., Grychtol P., Montano J., Ovcharenko Y., Rennhack N., Rivas D. E., Wagner R., Ziolkowski P., Schmidt P., Marchenko T., Travnikova O., Journel L., Ismail I., Kukk E., Niskanen J., Trinter F., Vozzi C., Devetta M., Stagira S., Gisselbrecht M., Jäger A. L., Li X., Malakar Y., Martins M., Feifel R., Schmidt L. Ph., Czasch A., Sansone G., Rolles D., Rudenko A., Moshammer R., Dörner R., Meyer M., Pfeifer T., Schöffler M. S., Santra R., Simon M., Piancastelli M. N.
    (    A1 Refereed original research article in a scientific journal)


  • Machine learning in interpretation of electronic core-level spectra  (2021)   Niskanen Johannes, Vladyka Anton, Kettunen J. Antti, Sahle Christoph J.
    (    Other publication)


  • Multi-channel photodissociation and XUV-induced charge transfer dynamics in strong-field-ionized methyl iodide studied with time-resolved recoil-frame covariance imaging  (2021)  
    • Faraday Discussions
     Allum Felix, Anders Nils, Brouard Mark, Bucksbaum Phil H, Burt Michael, Downes-Ward Briony, Grundmann Sven, Harries James, Ishimura Yudai, Iwayama Hiroshi, Kaiser Leon, Kukk Edwin, Lee Jason WL, Liu Xiaojing, Minns Russell S, Nagaya Kiyonobu, Niozu Akinobu, Niskanen Johannes, O'Neal Jordan T, Owada Shigeki, Pickering James, Rolles Daniel, Rudenko Artem, Saito Shu, Ueda Kiyoshi, Vallance Claire, Werby Nicholas, Woodhouse Joanne, You Daehyun, Ziaee Farzaneh, Driver Taran, Forbes Ruaridh
    (    A1 Refereed original research article in a scientific journal)


  • Photodissociation dynamics of halogenated aromatic molecules: the case of core-ionized tetrabromothiophene  (2021)  
    • Physical Chemistry Chemical Physics
     Pihlava Lassi, Niskanen Johannes, Kooser Kuno, Stråhlman Christian, Maclot Sylvain, Kivimäki Antti, Kukk Edwin
    (    A1 Refereed original research article in a scientific journal)


  • Fragmentation Patterns of Radiosensitizers Metronidazole and Nimorazole upon Valence Ionization  (2020)  
    • Journal of Physical Chemistry A
     Itälä Eero, Niskanen Johannes, Pihlava Lassi, Kukk Edwin
    (    A1 Refereed original research article in a scientific journal)



Last updated on 05/02/2026 01:16:11 AM