Johannes
Niskanen
University Research Fellow, Materials Research Laboratory
dosentti
X-rays are a unique probe of systems with wide variation of atomistic structure: liquids and amorphous matter. I investigate structural information content of these spectra.

Contact

+358 29 450 4160
+358 50 577 8622
Vesilinnantie 5
20500
Turku

Areas of expertise

X-ray
spectroscopy
molecule
liquids
statistical mechanics

Publications

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A new benchmark of soft X-ray transition energies of Ne, CO2, and SF6: paving a pathway towards ppm accuracy (2022)

European Physical Journal D
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
(Vertaisarvioitu alkuperäisartikkeli tai data-artikkeli tieteellisessä aikakauslehdessä (A1))

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.
(Vertaisarvioitu alkuperäisartikkeli tai data-artikkeli tieteellisessä aikakauslehdessä (A1))

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
(Vertaisarvioitu alkuperäisartikkeli tai data-artikkeli tieteellisessä aikakauslehdessä (A1))

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.
(Vertaisarvioitu alkuperäisartikkeli tai data-artikkeli tieteellisessä aikakauslehdessä (A1))

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)

International Conference on Photonic, Electronic and Atomic Collisions, Journal of Physics: Conference Series
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
(Vertaisarvioitu artikkeli konferenssijulkaisussa (A4))