Johan Söderström
Universitetslektor vid Institutionen för fysik och astronomi; Röntgenfysik
- Telefon:
- 018-471 36 05
- Mobiltelefon:
- 070-480 04 47
- E-post:
- johan.soderstrom@physics.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postadress:
- Box 516
751 20 UPPSALA
Universitetslektor vid Institutionen för fysik och astronomi; Röntgenfysik; Kemisk och biomolekylär fysik
- Telefon:
- 018-471 36 05
- Mobiltelefon:
- 070-480 04 47
- E-post:
- johan.soderstrom@physics.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postadress:
- Box 516
751 20 UPPSALA
- Akademiska meriter:
- FD
- CV:
- Ladda ned CV
- ORCID:
- 0000-0002-9647-0394
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Kort presentation
My main research interest is the fundamental interaction between X-rays and small molecular systems, which I use to probe the electronic structure of atoms ans molecules - the building blocks of out universe.
I am interested in fundamental phenomena, which has previously been obscured (or not even possible to see) in our measurements since our tools have not been powerful enough. With the recent development in instrumentation a new era of fundamental atomic and molecular science is on the verge
Biografi
Ever since I started my Ph. D. studies I have been interested in isolated atoms and molecules, that is matter in the gaseous phase as well as developing instruments for performing new science.
As a Ph. D. student I developed a new type of spectroscopy called XETECO, for the studies of gaseuos species. This is all well described in my thesis here.
Then, as a Post Doc I worked together with Catalin Miron in the finalisation of the PLEIADES beamline at the synchrotron SOLEIL in Paris. This beamline is also ment for studies of gaseous species.
When I had finished my Post Doc I continued my interest in advancing science through building new equipment - this time at Uppsala University where I have been building the HELIOS laboratory which is an HHG laboratory for studies of dynamics in matter. The HELIOS laboratory is described in some detail here.
At HELIOS I am involved in all projects, however my main interest still lies in the study of free atoms and molecules and dynamics in these systems.
As HELIOS is now an operational lab run by technical staff I am again focusing my research efforts towards the fundamental aspects of the interaction between soft X-rays and small molecular systems. In order to do this I make use of national and international large scale facilities such as MAX-IV and the European XFEL.
Publikationer
Senaste publikationer
- Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys (2023)
- Quantum watch and its intrinsic proof of accuracy (2022)
- Ultrafast modification of the electronic structure of a correlated insulator (2022)
- Breaking inversion symmetry by protonation (2021)
- Optical and extreme UV studies of spin dynamics in metallic and insulating ferrimagnets (2021)
Alla publikationer
Artiklar
- Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys (2023)
- Quantum watch and its intrinsic proof of accuracy (2022)
- Ultrafast modification of the electronic structure of a correlated insulator (2022)
- Breaking inversion symmetry by protonation (2021)
- Optical and extreme UV studies of spin dynamics in metallic and insulating ferrimagnets (2021)
- Ultrafast magnetization dynamics in the half-metallic Heusler alloy Co2FeAl (2021)
- Element-Specific Magnetization Dynamics in Co-Pt Alloys Induced by Strong Optical Excitation (2021)
- The carbon and oxygen K-edge NEXAFS spectra of CO+ (2020)
- Photon-recoil imaging (2020)
- Analysis of the linear relationship between asymmetry and magnetic moment at the M edge of 3d transition metals (2020)
- Angular emission distribution of O 1s photoelectrons of uniaxially oriented methanol (2020)
- Resonant inelastic x-ray scattering on CO2 (2020)
- Energy-Dependent Relative Cross Sections in Carbon 1s Photoionization (2019)
- Developments and enhancements to the HELIOS pump probe system (2018)
- A setup for element specific magnetization dynamics using the transverse magneto-optic Kerr effect in the energy range of 30-72 eV (2017)
- Electronic structure dynamics in a low bandgap polymer studied by time-resolved photoelectron spectroscopy (2016)
- HELIOS-A laboratory based on high-order harmonic generation of extreme ultraviolet photons for time-resolved spectroscopy (2015)
- Rydberg-Resolved Resonant Inelastic Soft X-Ray Scattering (2015)
- Deeper Insight into Depth-Profiling of Aqueous Solutions Using Photoelectron Spectroscopy (2014)
- No signature of contact ion pairs in the K 2p Auger spectra of highlyconcentrated potassium halide solutions (2014)
- Measuring the temporal coherence of a high harmonic generation setup employing a Fourier transform spectrometer for the VUV/XUV (2014)
- Surface Behavior of Hydrated Guanidinium and Ammonium Ions (2014)
- High resolution multiphoton spectroscopy by a tunable free-electron-laser light (2014)
- Single-Molecule X-Ray Interferometry (2013)
- A multi purpose source chamber at the PLEIADES beamline at SOLEIL for spectroscopic studies of isolated species (2013)
- Laboratory-frame electron angular distributions (2013)
- Vibrational scattering anisotropy in O 2 - dynamics beyond the Born-Oppenheimer approximation (2012)
- Vibrational scattering anisotropy in O-2-dynamics beyond the Born-Oppenheimer approximation (2012)
- Molecular Sinkers (2012)
- Surface/bulk partitioning and acid/base speciation of aqueous decanoate (2012)
- Nonstoichiometric Intensities in Core Photoelectron Spectroscopy (2012)
- The ESCA molecule-Historical remarks and new results (2012)
- Increased Propensity of I-aq(-) for the Water Surface in Non-neutral Solutions (2011)
- Increased Propensity of I-aq(-) for the Water Surface in Non-neutral Solutions (2011)
- The Protonation State of Small Carboxylic Acids at the Water Surface from Photoelectron Spectroscopy (2011)
- Angle-resolved electron spectroscopy of the resonant Auger decay in xenon with meV energy resolution (2011)
- Functionalized nanoparticles in aqueous surroundings probed by X-ray photoelectron spectroscopy (2011)
- Functionalized nanoparticles in aqueous surroundings probed by X-ray photoelectron spectroscopy (2011)
- Electronic structure study of the bases in DNA duplexes by in situ photon-in/photon-out soft X-ray spectroscopy (2010)
- Electronic structure study of the bases in DNA duplexes by in situ photon-in/photon-out soft X-ray spectroscopy (2010)
- Circularly Polarized X Rays (2010)
- Angular effects in autoionization of 3 P doubly excited states in He (2009)
- Angular effects in autoionization of 3 P doubly excited states in He (2009)
- Excitation of 1S and 3S Metastable Helium Atoms to Doubly Excited States (2009)
- Radiative decay spectra of selected doubly excited states in helium (2008)
- Photoinduced Formation of N2 Molecules in Ammonium Compounds (2007)
- Vibrationally resolved nitrogen K-shell photoelectron spectra of the dinitrogen oxide molecule (2007)
- Vibrationally resolved nitrogen K-shell photoelectron spectra of the dinitrogen oxide molecule (2007)
- Vibrationally resolved partial cross sections and asymmetry parameters for nitrogen K-shell photoionization of the N2O molecule (2007)
- Oxygen K Edge X-ray-Emission-Threshold-Electron Coincidence Spectrum of CO2 (2007)
- Resonant inelastic soft x-ray scattering at double core excitations in solid LiCl (2006)
- Magnetic-field induced enhancement in the fluorescence yield spectrum of doubly excited states in helium (2006)
- Double excitations of helium in weak static electric fields (2006)
- Core level ionization dynamics in small molecules studied by x-ray-emission threshold-electron coincidence spectroscopy (2005)
- X-ray yield and selectively excited X-ray emission spectra of atenolol and nadolol. (2005)
- Resonant inelastic soft X-ray scattering at hollow lithium states in solid LiCl (2004)
- X-ray-emission-threshold-electron coincidence spectroscopy (2004)
- Atom-specific magnon driven ultrafast spin dynamics in Fe1-xNix alloys
- The X-ray absorption spectrum of O2+
- Magnetic asymmetry around the 3p absorption edge in Fe and Ni
- Ultrafast magnetization dynamics in half-metallic Co2FeAl Heusler alloy
- Ultrafast dynamics in Fe65Co35 alloys: Effect of Re doping
- Ultrafast magnetization dynamics in magnetically frustrated NiFe2O4 ferrimagnet