Gunnar Öhrwall

2024

Attosecond formation of charge-transfer-to-solvent states of aqueous ions probed using the core-hole-clock technique

Muchová, E., Gopakumar, G., Unger, I., Öhrwall, G., Céolin, D., Trinter, F., Wilkinson, I., Chatzigeorgiou, E., Slavíček, P., Hergenhahn, U., Winter, B., Caleman, C. & Björneholm, O., 2024 Dec, In: Nature Communications. 15, 1, 8903.

Research output: Contribution to journal › Article › peer-review

Open Access

Development of a flat jet delivery system for soft X-ray spectroscopy at MAX IV

Gallo, T., Adriano, L., Heymann, M., Wrona, A., Walsh, N., Öhrwall, G., Callefo, F., Skruszewicz, S., Namboodiri, M., Marinho, R., Schulz, J. & Valerio, J., 2024 Aug 22, In: Journal of Synchrotron Radiation. 31, 5, p. 1285-1292 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Aqueous Ammonium Nitrate Investigated Using Photoelectron Spectroscopy of Cylindrical and Flat Liquid Jets

Gallo, T., Michailoudi, G., Valerio, J., Adriano, L., Heymann, M., Schulz, J., Marinho, R. D. R. T., Callefo, F., Walsh, N. & Öhrwall, G., 2024 Jul, In: Journal of Physical Chemistry B. 128, 28, p. 6866-6875 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Bismuth-oxide nanoparticles: study in a beam and as deposited

Mikkelä, M.-H., Marnauza, M., Hetherington, C., Wallenberg, L. R., Mårsell, E., Liu, Y.-P., Mikkelsen, A., Björneholm, O., Öhrwall, G. & Tchaplyguine, M., 2024, In: Physical chemistry chemical physics : PCCP. 26, 13, p. 10369-10381 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Fingerprint of Dipole Moment Orientation of Water Molecules in Cu²⁺ Aqueous Solution Probed by X-ray Photoelectron Spectroscopy

Mosaferi, M., Céolin, D., Rueff, J. P., Selles, P., Odelius, M., Björneholm, O., Öhrwall, G. & Carniato, S., 2024, In: Journal of the American Chemical Society. 146, 14, p. 9836–9850 15 p.

Research output: Contribution to journal › Article › peer-review

2023

Radiation damage by extensive local water ionization from two-step electron-transfer-mediated decay of solvated ions

Gopakumar, G., Unger, I., Slavíček, P., Hergenhahn, U., Öhrwall, G., Malerz, S., Céolin, D., Trinter, F., Winter, B., Wilkinson, I., Caleman, C., Muchová, E. & Björneholm, O., 2023 Oct, In: Nature Chemistry. 15, 10, p. 1408-1414 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

FlexPES: a versatile soft X-ray beamline at MAX IV Laboratory

Preobrajenski, A., Generalov, A., Öhrwall, G., Tchaplyguine, M., Tarawneh, H., Appelfeller, S., Frampton, E. & Walsh, N., 2023 May, In: Journal of Synchrotron Radiation. 30, p. 831-840 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Ag-oxide signature in Ag 3d photoelectron spectra: A study on free nanoparticles

Tzomos, E., Mikkelä, M. H., Öhrwall, G., Björneholm, O. & Tchaplyguine, M., 2023, In: Surface Science. 733, 122307.

Research output: Contribution to journal › Article › peer-review

Open Access

2022

Superficial Tale of Two Functional Groups: On the Surface Propensity of Aqueous Carboxylic Acids, Alkyl Amines, and Amino Acids

Björneholm, O., Öhrwall, G., De Brito, A. N., Ågren, H. & Carravetta, V., 2022 Dec, In: Accounts of Chemical Research. 55, 23, p. 3285-3293 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Ethanol in Aqueous Solution Studied by Microjet Photoelectron Spectroscopy and Theory

Ågren, H., Björneholm, O., Öhrwall, G., Carravetta, V. & De Brito, A. N., 2022 Nov 1, In: Accounts of Chemical Research. 55, 21, p. 3080-3087 8 p.

Research output: Contribution to journal › Article › peer-review

An atomistic explanation of the ethanol-water azeotrope

Carravetta, V., Gomes, A. H. D. A., Marinho, R. D. R. T., Öhrwall, G., Ågren, H., Björneholm, O. & de Brito, A. N., 2022 Oct 14, In: Physical Chemistry Chemical Physics. 24, 42, p. 26037-26045

Research output: Contribution to journal › Article › peer-review

Probing aqueous ions with non-local Auger relaxation

Gopakumar, G., Muchová, E., Unger, I., Malerz, S., Trinter, F., Öhrwall, G., Lipparini, F., Mennucci, B., Céolin, D., Caleman, C., Wilkinson, I., Winter, B., Slavíček, P., Hergenhahn, U. & Björneholm, O., 2022 Mar 23, In: Physical Chemistry Chemical Physics. 24, 15, p. 8661-8671 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

The surface composition of amino acid - halide salt solutions is pH-dependent

Gopakumar, G., Unger, I., Saak, C. M., Öhrwall, G., Naves de Brito, A., Rizuti da Rocha, T. C., Nicolas, C., Caleman, C. & Björneholm, O., 2022, In: Environmental Science: Atmospheres. 2, 3, p. 441-448 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2021

Time-of-flight photoelectron momentum microscopy with 80-500 MHz photon sources: Electron-optical pulse picker or bandpass pre-filter

Schönhense, G., Medjanik, K., Fedchenko, O., Zymakova, A., Chernov, S., Kutnyakhov, D., Vasilyev, D., Babenkov, S., Elmers, H. J., Baumgärtel, P., Goslawski, P., Öhrwall, G., Grunske, T., Kauerhof, T., Von Volkmann, K., Kallmayer, M., Ellguth, M. & Oelsner, A., 2021 Nov 1, In: Journal of Synchrotron Radiation. 28, p. 1891-1908 18 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2018

The All-Seeing Eye of Resonant Auger Electron Spectroscopy: A Study on Aqueous Solution Using Tender X-rays

Miteva, T., Kryzhevoi, N. V., Sisourat, N., Nicolas, C., Pokapanich, W., Saisopa, T., Songsiriritthigul, P., Rattanachai, Y., Dreuw, A., Wenzel, J., Palaudoux, J., Öhrwall, G., Püttner, R., Cederbaum, L. S., Rueff, J. P. & Céolin, D., 2018 Aug 2, In: Journal of Physical Chemistry Letters. 9, 15, p. 4457-4462 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Anomalous surface behavior of hydrated guanidinium ions due to ion pairing

Ekholm, V., Vazdar, M., Mason, P. E., Bialik, E., Walz, M. M., Öhrwall, G., Werner, J., Rubensson, J. E., Jungwirth, P. & Björneholm, O., 2018 Apr 14, In: Journal of Chemical Physics. 148, 14, 144508.

Research output: Contribution to journal › Article › peer-review

Note: Soft X-ray transmission polarizer based on ferromagnetic thin films

Müller, L., Hartmann, G., Schleitzer, S., Berntsen, M. H., Walther, M., Rysov, R., Roseker, W., Scholz, F., Seltmann, J., Glaser, L., Viefhaus, J., Mertens, K., Bagschik, K., Frömter, R., De Fanis, A., Shevchuk, I., Medjanik, K., Öhrwall, G., Oepen, H. P. & Martins, M. & 2 others, Meyer, M. & Grübel, G., 2018 Mar 1, In: Review of Scientific Instruments. 89, 3, 036103.

Research output: Contribution to journal › Article › peer-review

Shifted equilibria of organic acids and bases in the aqueous surface region

Werner, J., Persson, I., Björneholm, O., Kawecki, D., Saak, C. M., Walz, M. M., Ekholm, V., Unger, I., Valtl, C., Caleman, C., Öhrwall, G. & Prisle, N. L., 2018 Jan 1, In: Physical Chemistry Chemical Physics. 20, 36, p. 23281-23293 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Strong enrichment of atmospherically relevant organic ions at the aqueous interface: The role of ion pairing and cooperative effects

Ekholm, V., Caleman, C., Bjärnhall Prytz, N., Walz, M. M., Werner, J., Öhrwall, G., Rubensson, J. E. & Björneholm, O., 2018, In: Physical Chemistry Chemical Physics. 20, 42, p. 27185-27191 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2017

Ultrafast Charge Transfer Processes Accompanying KLL Auger Decay in Aqueous KCl Solution

Céolin, D., Kryzhevoi, N. V., Nicolas, C., Pokapanich, W., Choksakulporn, S., Songsiriritthigul, P., Saisopa, T., Rattanachai, Y., Utsumi, Y., Palaudoux, J., Öhrwall, G. & Rueff, J. P., 2017 Dec 29, In: Physical Review Letters. 119, 26, 263003.

Research output: Contribution to journal › Article › peer-review

Ethanol Solvation in Water Studied on a Molecular Scale by Photoelectron Spectroscopy

Marinho, R. R. T., Walz, M.-M., Ekholm, V., Öhrwall, G., Björneholm, O. & de Brito, A. N., 2017 Aug 24, In: Journal of Physical Chemistry B. 121, 33, p. 7916-7923 8 p.

Research output: Contribution to journal › Article › peer-review

Core level photoelectron spectroscopy probed heterogeneous xenon/neon clusters

Pokapanich, W., Björneholm, O., Öhrwall, G. & Tchaplyguine, M., 2017 Jun 1, In: Radiation Physics and Chemistry. 135, p. 45-48 4 p.

Research output: Contribution to journal › Article › peer-review

2016

Microscopic origin of the charge transfer in single crystals based on thiophene derivatives: A combined NEXAFS and density functional theory approach

Chernenkaya, A., Morherr, A., Backes, S., Popp, W., Witt, S., Kozina, X., Nepijko, S. A., Bolte, M., Medjanik, K., Öhrwall, G., Krellner, C., Baumgarten, M., Elmers, H. J., Schönhense, G., Jeschke, H. O. & Valentí, R., 2016 Jul 21, In: Journal of Chemical Physics. 145, 3, 034702.

Research output: Contribution to journal › Article › peer-review

Surface Partitioning in Organic-Inorganic Mixtures Contributes to the Size-Dependence of the Phase-State of Atmospheric Nanoparticles

Werner, J., Dalirian, M., Walz, M. M., Ekholm, V., Wideqvist, U., Lowe, S. J., Öhrwall, G., Persson, I., Riipinen, I. & Björneholm, O., 2016 Jul 19, In: Environmental Science and Technology. 50, 14, p. 7434-7442 9 p.

Research output: Contribution to journal › Article › peer-review

Near-Edge x‑ray absorption fine structure investigation of the quasi-One-Dimensional organic conductor (TMTSF)₂PF₆

Medjanik, K., Chernenkaya, A., Kozina, X., Nepijko, S. A., Öhrwall, G., Foury-Leylekian, P., Alemany, P., Schönhense, G., Canadell, E. & Pouget, J. P., 2016 Jan 1, In: Journal of Physical Chemistry A. 120, 43, p. 8574-8583 10 p.

Research output: Contribution to journal › Article › peer-review

Alcohols at the aqueous surface: Chain length and isomer effects

Walz, M. M., Werner, J., Ekholm, V., Prisle, N. L., Öhrwall, G. & Björneholm, O., 2016, In: Physical Chemistry Chemical Physics. 18, 9, p. 6648-6656 9 p.

Research output: Contribution to journal › Article › peer-review

2015

Acid-Base Speciation of Carboxylate Ions in the Surface Region of Aqueous Solutions in the Presence of Ammonium and Aminium Ions

Öhrwall, G., Prisle, N. L., Ottosson, N., Werner, J., Ekholm, V., Walz, M.-M. & Bjorneholm, O., 2015, In: The Journal of Physical Chemistry Part B. 119, 10, p. 4033-4040

Research output: Contribution to journal › Article › peer-review

Donor-anion interactions at the charge localization and charge ordering transitions of (TMTTF)(2)AsF6 probed by NEXAFS

Medjanik, K., Chernenkaya, A., Nepijko, S. A., Öhrwall, G., Foury-Leylekian, P., Alemany, P., Canadell, E., Schoenhense, G. & Pouget, J.-P., 2015, In: Physical Chemistry Chemical Physics. 17, 29, p. 19202-19214

Research output: Contribution to journal › Article › peer-review

Surface behavior of amphiphiles in aqueous solution: a comparison between different pentanol isomers

Walz, M.-M., Caleman, C., Werner, J., Ekholm, V., Lundberg, D., Prisle, N. L., Öhrwall, G. & Bjorneholm, O., 2015, In: Physical Chemistry Chemical Physics. 17, 21, p. 14036-14044

Research output: Contribution to journal › Article › peer-review

2014

Deeper Insight into Depth-Profiling of Aqueous Solutions Using Photoelectron Spectroscopy

Bjorneholm, O., Werner, J., Ottosson, N., Öhrwall, G., Ekholm, V., Winter, B., Unger, I. & Soderstrom, J., 2014, In: Journal of Physical Chemistry C. 118, 50, p. 29333-29339

Research output: Contribution to journal › Article › peer-review

No signature of contact ion pairs in the K 2p Auger spectra of highly concentrated potassium halide solutions

Pokapanich, W., Ottosson, N., Soderstrom, J., Bjorneholm, E. & Öhrwall, G., 2014, In: ScienceAsia. 40, 4, p. 290-294

Research output: Contribution to journal › Article › peer-review

Size-dependent evolution of electronic structure in neutral Pb clusters-As seen by synchrotron-based X-ray photoelectron spectroscopy

Tchaplyguine, M., Öhrwall, G., Andersson, T., Svensson, S., Bjorneholm, O., Huttula, M., Mikkela, M., Urpelainen, S., Osmekhin, S., Calo, A., Aksela, S. & Aksela, H., 2014, In: Journal of Electron Spectroscopy and Related Phenomena. 195, p. 55-61

Research output: Contribution to journal › Article › peer-review

Surface Behavior of Hydrated Guanidinium and Ammonium Ions: A Comparative Study by Photoelectron Spectroscopy and Molecular Dynamics

Werner, J., Wernersson, E., Ekholm, V., Ottosson, N., Öhrwall, G., Heyda, J., Persson, I., Soderstrom, J., Jungwirth, P. & Bjorneholm, O., 2014, In: The Journal of Physical Chemistry Part B. 118, 25, p. 7119-7127

Research output: Contribution to journal › Article › peer-review

2013

Collective hydrogen-bond dynamics dictates the electronic structure of aqueous I-3(-)

Josefsson, I., Eriksson, S. K., Ottosson, N., Öhrwall, G., Siegbahn, H., Hagfeldt, A., Rensmo, H., Bjorneholm, O. & Odelius, M., 2013, In: Physical Chemistry Chemical Physics. 15, 46, p. 20189-20196

Research output: Contribution to journal › Article › peer-review

Inner-shell photoionization of atomic chlorine

Stolte, W. C., Felfli, Z., Guillemin, R., Öhrwall, G., Yu, S.-W., Young, J. A., Lindle, D. W., Gorczyca, T. W., Deb, N. C., Manson, S. T., Hibbert, A. & Msezane, A. Z., 2013, In: Physical Review A (Atomic, Molecular and Optical Physics). 88, 5, 053425.

Research output: Contribution to journal › Article › peer-review

2012

Bond Breaking, Electron Pushing, and Proton Pulling: Active and Passive Roles in the Interaction between Aqueous Ions and Water as Manifested in the O 1s Auger Decay

Pokapanich, W., Ottosson, N., Svensson, S., Öhrwall, G., Winter, B. & Bjorneholm, O., 2012, In: The Journal of Physical Chemistry Part B. 116, 1, p. 3-8

Research output: Contribution to journal › Article › peer-review

Holding onto Electrons in Alkali Metal Halide Clusters: Decreasing Polarizability with Increasing Coordination

Zhang, C., Andersson, T., Svensson, S., Bjorneholm, O., Huttula, M., Mikkela, M.-H., Anin, D., Tchaplyguine, M. & Öhrwall, G., 2012, In: The Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory. 116, 49, p. 12104-12111

Research output: Contribution to journal › Article › peer-review

Molecular Sinkers: X-ray Photoemission and Atomistic Simulations of Benzoic Acid and Benzoate at the Aqueous Solution/Vapor Interface

Ottosson, N., Romanova, A. O., Soderstrom, J., Bjorneholm, O., Öhrwall, G. & Fedorov, M. V., 2012, In: The Journal of Physical Chemistry Part B. 116, 43, p. 13017-13023

Research output: Contribution to journal › Article › peer-review

New insight into the Auger decay process in O-2: The coincidence perspective

Arion, T., Puettner, R., Lupulescu, C., Ovsyannikov, R., Foerstel, M., Öhrwall, G., Lindblad, A., Ueda, K., Svensson, S., Bradshaw, A. M., Eberhardt, W. & Hergenhahn, U., 2012, In: Journal of Electron Spectroscopy and Related Phenomena. 185, 8-9, p. 234-243

Research output: Contribution to journal › Article › peer-review

Surface/bulk partitioning and acid/base speciation of aqueous decanoate: direct observations and atmospheric implications

Prisle, N. L., Ottosson, N., Öhrwall, G., Soderstrom, J., Dal Maso, M. & Bjorneholm, O., 2012, In: Atmospheric Chemistry and Physics. 12, 24, p. 12227-12242

Research output: Contribution to journal › Article › peer-review

Open Access

Ultrafast charge delocalization dynamics in aqueous electrolytes: New insights from Auger electron spectroscopy

Ottosson, N., Öhrwall, G. & Bjorneholm, O., 2012, In: Chemical Physics Letters. 543, p. 1-11

Research output: Contribution to journal › Article › peer-review

2011

Increased Propensity of I-aq(-) for the Water Surface in Non-neutral Solutions: Implications for the Interfacial Behavior of H3Oaq+ and OHaq-

Ottosson, N., Cwiklik, L., Soderstrom, J., Bjorneholm, O., Öhrwall, G. & Jungwirth, P., 2011, In: The Journal of Physical Chemistry Letters. 2, 9, p. 972-976

Research output: Contribution to journal › Article › peer-review

Ionic bonding in free nanoscale NaCl clusters as seen by photoelectron spectroscopy

Zhang, C., Andersson, T., Svensson, S., Bjorneholm, O., Huttula, M., Mikkela, M.-H., Tchaplyguine, M. & Öhrwall, G., 2011, In: Journal of Chemical Physics. 134, 12, 124507.

Research output: Contribution to journal › Article › peer-review

Ionic-Charge Dependence of tie Intermolecular Coulombic Decay Time Scale for Aqueous Ions Probed by the Core-Hole Clock

Pokapanich, W., Kryzhevoi, N. V., Ottosson, N., Svensson, S., Cederbaum, L. S., Öhrwall, G. & Bjorneholm, O., 2011, In: Journal of the American Chemical Society. 133, 34, p. 13430-13436

Research output: Contribution to journal › Article › peer-review

Gunnar Öhrwall

Research output

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