Johannes Niskanen

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

johannes.niskanen@utu.fi

Office: 340

Areas of expertise

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

Biography

Teaching

Publications

3 of 5

Direct momentum imaging of charge transfer following site-selective ionization (2023)
- Physical Review AJournal of Physical Chemistry Letters
Allum F., Kumagai Y., Nagaya K., Harries J., Iwayama H., Britton M., Bucksbaum P.H., Burt M., Brouard M., Downes-Ward B., Driver T., Heathcote D., Hockett P., Howard A.J., Lee J.W.L., Liu Y., Kukk E., Mcmanus J.W., Milsesevic D., Niozu A., Niskanen J., Orr-Ewing A.J., Owada S., Robertson P.A., Rudenko A., Ueda K., Unwin J., Vallance C., Walmsley T., Minns R.S., Rolles D., Ashfold M.N.R., Forbes R.
(A1 Refereed original research article in a scientific journal)
Implementation of the Emulator-based Component Analysis (2023)
- arXiv.org
Vladyka Anton, Eronen Eemeli A., Niskanen Johannes
(Other publication)
Information Bottleneck in Peptide Conformation Determination by X-ray Absorption Spectroscopy (2023)
- arXiv.org
Eronen Eemeli A., Vladyka Anton, Gerbon Florent, Sahle Christoph J., Niskanen Johannes
(Other publication)
Isotope effects in dynamics of water isotopologues induced by core ionization at an x-ray free-electron laser (2023)
- Structural DynamicsEuropean Physical Journal D
Guillemin R., Inhester L., Ilchen M., Mazza T., Boll R., Weber Th., Eckart S., Grychtol P., Rennhack N., Marchenko T., Velasquez N., Travnikova O., Ismail I., Niskanen J., Kukk E., Trinter F., Gisselbrecht M., Feifel R., Sansone G., Rolles D., Martins M., Meyer M., Simon M., Santra R., Pfeifer T., Jahnke T., Piancastelli M. N.
(A1 Refereed original research article in a scientific journal)
Photodissociation of bromine-substituted nitroimidazole radiosensitizersCuts through the manifold of molecular H2O potential energy surfaces in liquid water at ambient conditions (2023)
- Physical Chemistry Chemical PhysicsProceedings of the National Academy of Sciences of the United States of America
Pihlava Lassi, Berholts Marta, Niskanen Johannes, Vladyka Anton, Kooser Kuno, Stråhlman Christian, Eng-Johnsson Per, Kivimäki Antti, Kukk Edwin
(A1 Refereed original research article in a scientific journal)
Sensitivity of the Kβ″ X ray Emission Line to Coordination Changes in GeO2 and TiO2Disentangling sequential and concerted fragmentations of molecular polycations with covariant native frame analysis (2023)
Spiekermann G., Sahle Ch. J., Niskanen J., Gilmore K., Petitgirard S., Sternemann C., Tse J. S., Murakami M.
(A1 Refereed original research article in a scientific journal)
Towards Structural Reconstruction from X-Ray Spectra (2023)
- Physical Chemistry Chemical Physics
Vladyka Anton, Sahle Christoph J., Niskanen Johannes
(A1 Refereed original research article in a scientific journal)
A new benchmark of soft X-ray transition energies of Ne, CO2, and SF6: paving a pathway towards ppm accuracy (2022)
Stierhof J, Kuhn S, Winter M, Micke P, Steinbrugge R, Shah C, Hell N, Bissinger M, Hirsch M, Ballhausen R, Lang M, Grafe C, Wipf S, Cumbee R, Betancourt-Martinez GL, Park S, Niskanen J, Chung M, Porter FS, Stohlker T, Pfeifer T, Brown GV, Bernitt S, Hansmann P, Wilms J, Lopez-Urrutia JRC, Leutenegger MA
(A1 Refereed original research article in a scientific journal)
(2022)
Pietzsch Annette, Niskanen Johannes, Vaz da Cruz Vinicius, Büchner Robby, Eckert Sebastian, Fondell Mattis, Jay Raphael M., Lu Xingye, McNally Daniel, Schmitt Thorsten, Föhlisch Alexander
(A1 Refereed original research article in a scientific journal)
(2022)
- Physical Chemistry Chemical Physics
McManus Joseph W., Walmsley Tiffany, Nagaya Kiyonobu, Harries James R., Kumagai Yoshiaki, Iwayama Hiroshi, Ashfold, Michael N. R., Britton Mathew, Bucksbaum Philip H., Downes-Ward Briony, Driver Taran, Heathcote David, Hockett Paul, Howard, Andrew J., Kukk Edwin, Lee Jason W. L., Liu Yusong, Milesevic Dennis, Minns Russell S., Niozu Akinobu, Niskanen Johannes, Orr-Ewing Andrew J., Owada Shigeki, Rolles Daniel, Robertson Patrick A., Rudenko Artem, Ueda Kiyoshi, Unwin James, Vallance Claire, Burt Michael, Brouard Mark, Forbes Ruaridh, Allum Felix
(A1 Refereed original research article in a scientific journal)