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Såthe, Conny
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Publications (10 of 23) Show all publications
Kimberg, V., Sanchez-Gonzalez, A., Mercadier, L., Weninger, C., Lutman, A., Ratner, D., . . . Rohringer, N. (2016). Stimulated X-ray Raman scattering - a critical assessment of the building block of nonlinear X-ray spectroscopy. Faraday discussions (Online), 194, 305-324
Open this publication in new window or tab >>Stimulated X-ray Raman scattering - a critical assessment of the building block of nonlinear X-ray spectroscopy
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2016 (English)In: Faraday discussions (Online), ISSN 1359-6640, E-ISSN 1364-5498, Vol. 194, p. 305-324Article in journal (Refereed) Published
Abstract [en]

With the invention of femtosecond X-ray free-electron lasers (XFELs), studies of light-induced chemical reaction dynamics and structural dynamics reach a new era, allowing for time-resolved X-ray diffraction and spectroscopy. To ultimately probe coherent electron and nuclear dynamics on their natural time and length scales, coherent nonlinear X-ray spectroscopy schemes have been proposed. In this contribution, we want to critically assess the experimental realisation of nonlinear X-ray spectroscopy at current-day XFEL sources, by presenting first experimental attempts to demonstrate stimulated resonant X-ray Raman scattering in molecular gas targets.

National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:uu:diva-312397 (URN)10.1039/C6FD00103C (DOI)000392422200014 ()27711899 (PubMedID)
Available from: 2017-01-09 Created: 2017-01-09 Last updated: 2017-11-29Bibliographically approved
Såthe, C. (2011). Applications of Soft X-Ray Spectroscopy. (Doctoral dissertation). Uppsala: Acta Universitatis Upsaliensis
Open this publication in new window or tab >>Applications of Soft X-Ray Spectroscopy
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Soft X-ray emission spectroscopy is an old experimental technique that has seen a strong revival since the advent of new high brilliance soft X-ray sources in the shape of synchrotrons.  This thesis covers a range of applications where soft x-ray techniques have been applied. I have looked at fluorescence yield from doubly excited helium in field free conditions as well as in the presence of weak electric and magnetic fields. Using soft X-ray emission spectroscopy (SXES) I have explored scattering mechanisms in molecular systems. Quenching of symmetry breaking transitions by detuning of the excitation energy was observed in CO2. Bond-length dependence was seen for symmetry breaking transitions in a series of hydrocarbons. Dissociation dynamics was explored in OCS and HCl. I have also applied SXES to liquid water exploring the properties of hydrogen bonding.  Buried layers of AlAs under 100 Å GaAs(100) was studied and thickness dependence and interface effects observed. The technique was also used to study the electronic structure of yttrium and vanadium hydrides. dd-excitations and accompanying spin flip excitations was observed in Cu M resonant x-ray Raman emission from Sr2CuO2Cl2.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2011. p. 61
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 860
National Category
Atom and Molecular Physics and Optics Condensed Matter Physics
Research subject
Physics with spec. in Atomic, Molecular and Condensed Matter Physics
Identifiers
urn:nbn:se:uu:diva-159369 (URN)978-91-554-8173-5 (ISBN)
Public defence
2011-11-11, Å4001, Ångströmlaboratoriet, Lägerhyddsvägen 1, Uppsala, 10:00 (English)
Opponent
Supervisors
Available from: 2011-10-21 Created: 2011-09-29 Last updated: 2011-11-04Bibliographically approved
Såthe, C., Ström, M., Agåker, M., Söderström, J., Rubensson, J.-E., Richter, R., . . . Robicheaux, F. (2006). Double excitations of helium in weak static electric fields. Physical Review Letters, 96(4)
Open this publication in new window or tab >>Double excitations of helium in weak static electric fields
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2006 (English)In: Physical Review Letters, Vol. 96, no 4Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-25708 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Alagia, M., Richter, R., Stranges, S., Agåker, M., Ström, M., Söderström, J., . . . Rubensson, J.-E. (2005). Core level ionization dynamics in small molecules studied by x-ray-emission threshold-electron coincidence spectroscopy. Physical Review A, 71(1)
Open this publication in new window or tab >>Core level ionization dynamics in small molecules studied by x-ray-emission threshold-electron coincidence spectroscopy
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2005 (English)In: Physical Review A, Vol. 71, no 1Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-77683 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Hellgren, N., Guo, J., Luo, Y., Såthe, C., Agui, A., Kashtanov, S., . . . Sundgren, J. E. (2005). Electronic structure of carbon nitride thin films studied by X-ray spectroscopy techniques. Thin Solid Films, 471(1-2), 19-34
Open this publication in new window or tab >>Electronic structure of carbon nitride thin films studied by X-ray spectroscopy techniques
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2005 (English)In: Thin Solid Films, Vol. 471, no 1-2, p. 19-34Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-77698 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Butorin, S., Såthe, C., Agui, A., Saleem, F., Alonso, J. A. & Nordgren, J. (2005). Intra-versus inter-site electronic excitations in NdNiO3 by resonant inelastic ultra-soft X-ray scattering at Ni 3p edge. Solid State Communications, 135(11-12), 716-720
Open this publication in new window or tab >>Intra-versus inter-site electronic excitations in NdNiO3 by resonant inelastic ultra-soft X-ray scattering at Ni 3p edge
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2005 (English)In: Solid State Communications, Vol. 135, no 11-12, p. 716-720Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-77692 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Vayssieres, L., Såthe, C., Butorin, S., Shuh, D. K., Nordgren, J. & Guo, J. (2005). One-dimensional quantum-confinement effect in alpha-Fe2O3 ultrafine nanorod arrays. Advanced Materials, 17(19), 2320
Open this publication in new window or tab >>One-dimensional quantum-confinement effect in alpha-Fe2O3 ultrafine nanorod arrays
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2005 (English)In: Advanced Materials, Vol. 17, no 19, p. 2320-Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-77727 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Agui, A., Butorin, S., Käämbre, T., Såthe, C., Saitoh, T., Moritomo, Y. & Nordgren, J. (2005). Resonant Mn L emission spectra of layered manganite La1.2Sr1.8Mn2O7. Journal of the Physical Society of Japan, 74(6), 1772-1776
Open this publication in new window or tab >>Resonant Mn L emission spectra of layered manganite La1.2Sr1.8Mn2O7
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2005 (English)In: Journal of the Physical Society of Japan, Vol. 74, no 6, p. 1772-1776Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-77681 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Agui, A., Käämbre, T., Såthe, C., Nordgren, J., Usada, M., Saitoh, T. & Moritomo, Y. (2005). Resonant OK alpha emission spectroscopy of layered manganate La1.2Sr1.8Mn2O7. Journal of Electron Spectroscopy and Related Phenomena, 144, 589-592
Open this publication in new window or tab >>Resonant OK alpha emission spectroscopy of layered manganate La1.2Sr1.8Mn2O7
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2005 (English)In: Journal of Electron Spectroscopy and Related Phenomena, Vol. 144, p. 589-592Article in journal (Refereed) Published
Identifiers
urn:nbn:se:uu:diva-77677 (URN)
Available from: 2007-02-13 Created: 2007-02-13 Last updated: 2011-01-11
Guo, J. H., Luo, Y., Augustsson, A., Rubensson, J. E., Såthe, C., Ågren, H., . . . Nordgren, J. (2005). X-ray emission spectroscopy of hydrogen bonding and electronic structure of liquid water. Physical Review Letters, 89(13)
Open this publication in new window or tab >>X-ray emission spectroscopy of hydrogen bonding and electronic structure of liquid water
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2005 (English)In: Physical Review Letters, Vol. 89, no 13Article in journal (Refereed) Published
National Category
Natural Sciences
Identifiers
urn:nbn:se:uu:diva-24679 (URN)
Available from: 2007-02-09 Created: 2007-02-09 Last updated: 2012-04-02
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