Now showing 1 - 10 of 10
  • 2016Journal Article
    [["dc.bibliographiccitation.artnumber","s410"],["dc.bibliographiccitation.issue","a1"],["dc.bibliographiccitation.journal","Acta Crystallographica Section A Foundations and Advances"],["dc.bibliographiccitation.volume","72"],["dc.contributor.author","Techert, Simone"],["dc.contributor.author","Thekku Veedu, Sreevidya"],["dc.contributor.author","Bari, Sadia"],["dc.contributor.author","Boll, Rebecca"],["dc.contributor.author","Yin, Zhong"],["dc.contributor.author","Storozhuk, Darina"],["dc.contributor.author","Busse, Philipp"],["dc.contributor.author","Raiser, Dirk"],["dc.date.accessioned","2019-07-25T13:05:05Z"],["dc.date.available","2019-07-25T13:05:05Z"],["dc.date.issued","2016"],["dc.identifier.doi","10.1107/S2053273316094018"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/62058"],["dc.language.iso","en"],["dc.relation.issn","2053-2733"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","From micromolecules' to macromolecules' structural dynamics properties: ultrafast chiroscopy with synchrotron and free-electron laser radiation"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
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  • 2019Journal Article Research Paper
    [["dc.bibliographiccitation.firstpage","1266"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Journal of Synchrotron Radiation"],["dc.bibliographiccitation.lastpage","1271"],["dc.bibliographiccitation.volume","26"],["dc.contributor.author","Döring, Florian"],["dc.contributor.author","Risch, Marcel"],["dc.contributor.author","Rösner, Benedikt"],["dc.contributor.author","Beye, Martin"],["dc.contributor.author","Busse, Philipp"],["dc.contributor.author","Kubiček, Katharina"],["dc.contributor.author","Glaser, Leif"],["dc.contributor.author","Miedema, Piter S."],["dc.contributor.author","Soltau, Jakob"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Guzenko, Vitaliy A."],["dc.contributor.author","Szabadics, Lukas"],["dc.contributor.author","Kochanneck, Leif"],["dc.contributor.author","Baumung, Max"],["dc.contributor.author","Buck, Jens"],["dc.contributor.author","Jooss, Christian"],["dc.contributor.author","Techert, Simone"],["dc.contributor.author","David, Christian"],["dc.date.accessioned","2020-12-10T18:25:59Z"],["dc.date.available","2020-12-10T18:25:59Z"],["dc.date.issued","2019"],["dc.description.abstract","X-ray absorption spectroscopy (XAS) is a powerful element-specific technique that allows the study of structural and chemical properties of matter. Often an indirect method is used to access the X-ray absorption (XA). This work demonstrates a new XAS implementation that is based on off-axis transmission Fresnel zone plates to obtain the XA spectrum of La0.6Sr0.4MnO3 by analysis of three emission lines simultaneously at the detector, namely the O 2p-1s, Mn 3s-2p and Mn 3d-2p transitions. This scheme allows the simultaneous measurement of an integrated total fluorescence yield and the partial fluorescence yields (PFY) of the Mn 3s-2p and Mn 3d-2p transitions when scanning the Mn L-edge. In addition to this, the reduction in O fluorescence provides another measure for absorption often referred to as the inverse partial fluorescence yield (IPFY). Among these different methods to measure XA, the Mn 3s PFY and IPFY deviate the least from the true XA spectra due to the negligible influence of selection rules on the decay channel. Other advantages of this new scheme are the potential to strongly increase the efficiency and throughput compared with similar measurements using conventional gratings and to increase the signal-to-noise of the XA spectra as compared with a photodiode. The ability to record undistorted bulk XA spectra at high flux is crucial for future in situ spectroscopy experiments on complex materials."],["dc.identifier.doi","10.1107/S1600577519003898"],["dc.identifier.issn","1600-5775"],["dc.identifier.pmid","31274453"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/16305"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/75901"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area C | C02 In situ hochauflösende Untersuchung des aktiven Zustands bei der photo- und elektrochemischen Wasserspaltung"],["dc.relation","SFB 1073 | Topical Area C | C05 Kontrolle Elektronen-getriebener Chemie durch Interkalation"],["dc.relation.eissn","1600-5775"],["dc.relation.issn","1600-5775"],["dc.relation.orgunit","Institut für Materialphysik"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","A zone-plate-based two-color spectrometer for indirect X-ray absorption spectroscopy"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]
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  • 2015Journal Article
    [["dc.bibliographiccitation.firstpage","s484"],["dc.bibliographiccitation.issue","a1"],["dc.bibliographiccitation.journal","Acta Crystallographica. Section A, Foundations and Advances"],["dc.bibliographiccitation.lastpage","s484"],["dc.bibliographiccitation.volume","71"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Storozhuk, Darina"],["dc.contributor.author","Veedu, Sreevidya Thekku"],["dc.contributor.author","Techert, Simone"],["dc.date.accessioned","2022-12-14T15:03:46Z"],["dc.date.available","2022-12-14T15:03:46Z"],["dc.date.issued","2015"],["dc.identifier.doi","10.1107/S2053273315092876"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/118702"],["dc.relation.issn","2053-2733"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","Investigation of the ultra-fast structural changes in metal-organic complexes: comparison spectroscopy and time-resolved XRD"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]
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  • 2014-03-27Journal Article Research Paper
    [["dc.bibliographiccitation.firstpage","3291"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","The Journal of Physical Chemistry. B, Condensed Matter, Materials, Surfaces, Interfaces & Biophysical"],["dc.bibliographiccitation.lastpage","3297"],["dc.bibliographiccitation.volume","118"],["dc.contributor.author","Thekku Veedu, Sreevidya"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Kia, Reza"],["dc.contributor.author","Scholz, Mirko"],["dc.contributor.author","Techert, Simone"],["dc.date.accessioned","2021-10-13T13:01:09Z"],["dc.date.available","2021-10-13T13:01:09Z"],["dc.date.issued","2014-03-27"],["dc.description.abstract","Femtosecond optical pump-probe spectroscopy has been employed for studying the directly linked electron donor-acceptor system pyrene-N,N-dimethylaniline (PyDMA) in solid state. This DMA-pyrene derivative discussed is being applied as a molecular diode system switching on an ultrafast time scale. Our ultrafast solid-state studies reveal a complex photochemistry of this molecular crystal system. Strong couplings of the optically induced charge-transfer state with the radical ion pair state allow a femtosecond transition of the latter. One could see on the highest occupied molecular orbital-lowest unoccupied molecular orbital (HOMO-LUMO) description that a pure optical transition switches the system from a conducting to a blocked system because the molecular orbitals (MOs) of DMA moiety lie in a node plane of the LUMO. Within 800 fs the system relaxes back to the ground state and/or forms a radical ion pair, which is the surprising result of our study; when the system was probed further, the system underwent vibrational cooling and enhanced population inversion of the radical ion pair."],["dc.identifier.doi","10.1021/jp4121222"],["dc.identifier.pmid","24601820"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/90851"],["dc.language.iso","en"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area B | B06 Echtzeituntersuchungen der optischen Anregung in oligonuklearen Metallkomplexen mit schaltbaren Spin- und Ladungszuständen"],["dc.relation.eissn","1520-5207"],["dc.relation.issn","1520-6106"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","Ultrafast dynamical study of pyrene-N,N-dimethylaniline (PyDMA) as an organic molecular diode in solid state"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]
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  • 2017Journal Article Research Paper
    [["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Scientific Reports"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Marschall, Felix"],["dc.contributor.author","Yin, Zhong"],["dc.contributor.author","Rehanek, Jens"],["dc.contributor.author","Beye, Martin"],["dc.contributor.author","Döring, Florian"],["dc.contributor.author","Kubicek, Katharina"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Thekku Veedu, Sreevidya"],["dc.contributor.author","Buck, Jens"],["dc.contributor.author","Rothkirch, André"],["dc.contributor.author","Rösner, Benedikt"],["dc.contributor.author","Guzenko, Vitaliy A."],["dc.contributor.author","Viefhaus, Jens"],["dc.contributor.author","Christian, David"],["dc.contributor.author","Techert, Simone"],["dc.date.accessioned","2019-07-09T11:43:49Z"],["dc.date.available","2019-07-09T11:43:49Z"],["dc.date.issued","2017"],["dc.identifier.doi","10.1038/s41598-017-09052-0"],["dc.identifier.pmid","28821805"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14686"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/58975"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation","info:eu-repo/grantAgreement/EC/H2020/654360/EU//NFFA-Europe"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area C | C02 In situ hochauflösende Untersuchung des aktiven Zustands bei der photo- und elektrochemischen Wasserspaltung"],["dc.relation.orgunit","Fakultät für Physik"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.rights","CC BY 4.0"],["dc.title","Transmission zone plates as analyzers for efficient parallel 2D RIXS-mapping"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]
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  • 2015Journal Article
    [["dc.bibliographiccitation.firstpage","s487"],["dc.bibliographiccitation.issue","a1"],["dc.bibliographiccitation.journal","Acta Crystallographica. Section A, Foundations and Advances"],["dc.bibliographiccitation.lastpage","s487"],["dc.bibliographiccitation.volume","71"],["dc.contributor.author","Storozhuk, Darina"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Techert, Simone"],["dc.date.accessioned","2022-12-14T15:03:35Z"],["dc.date.available","2022-12-14T15:03:35Z"],["dc.date.issued","2015"],["dc.identifier.doi","10.1107/S2053273315092839"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/118701"],["dc.relation.issn","2053-2733"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","High-resolution crystallographic investigations of organometallic compounds"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]
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  • 2013Conference Paper
    [["dc.bibliographiccitation.artnumber","88490I"],["dc.contributor.author","Yin, Zhong"],["dc.contributor.author","Rajković, Ivan"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Scholz, Mirko"],["dc.contributor.author","Techert, Simone"],["dc.contributor.editor","Klisnick, Annie"],["dc.contributor.editor","Menoni, Carmen S."],["dc.date.accessioned","2022-12-15T15:53:33Z"],["dc.date.available","2022-12-15T15:53:33Z"],["dc.date.issued","2013"],["dc.identifier.doi","10.1117/12.2023992"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/118772"],["dc.relation.conference","SPIE Optical Engineering + Applications"],["dc.relation.eventend","2013-08-29"],["dc.relation.eventlocation","San Diego, California, United States"],["dc.relation.eventstart","2013-08-25"],["dc.relation.ispartof","Proceedings"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","Experimental setup for high resolution x-ray spectroscopy of solids and liquid samples"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
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  • 2017Journal Article Research Paper
    [["dc.bibliographiccitation.artnumber","1602174"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","Advanced Energy Materials"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Mildner, Stephanie"],["dc.contributor.author","Ifland, Benedikt"],["dc.contributor.author","Sotoudeh, Mohsen"],["dc.contributor.author","Bloechl, Peter E."],["dc.contributor.author","Techert, Simone"],["dc.contributor.author","Jooss, Christian"],["dc.date.accessioned","2018-11-07T10:22:36Z"],["dc.date.available","2018-11-07T10:22:36Z"],["dc.date.issued","2017"],["dc.description.abstract","Understanding and controlling the relaxation process of optically excited charge carriers in solids with strong correlations is of great interest in the quest for new strategies to exploit solar energy. Usually, optically excited electrons in a solid thermalize rapidly on a femtosecond to picosecond timescale due to interactions with other electrons and phonons. New mechanisms to slow down thermalization will thus be of great significance for efficient light energy conversion, e.g., in photovoltaic devices. Ultrafast optical pump-probe experiments in the manganite Pr0.65Ca0.35MnO3, a photovoltaic, thermoelectric, and electrocatalytic material with strong polaronic correlations, reveal an ultraslow recombination dynamics on a nanosecond-time scale. The nature of long living excitations is further elucidated by photovoltaic measurements, showing the presence of photodiffusion of excited electron-hole polaron pairs. Theoretical considerations suggest that the excited charge carriers are trapped in a hot polaron state. Escape from this state is possible via a slow dipole-forbidden recombination process or via rare thermal fluctuations toward a conical intersection followed by a radiation-less decay. The strong correlation between the excited polaron and the octahedral dynamics of its environment appears to be substantial for stabilizing the hot polaron."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft (DFG) [CRC 1073, CRC 755]"],["dc.identifier.doi","10.1002/aenm.201602174"],["dc.identifier.isi","000403913400011"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/42306"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","PUB_WoS_Import"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area B | B02 Photonen-getriebener Energietransfer über Grenzflächen zwischen Materialien mit starken Korrelationen"],["dc.relation","SFB 1073 | Topical Area B | B03 Relaxation, Thermalisierung, Transport und Kondensation in hochangeregten Festkörpern"],["dc.relation","SFB 1073 | Topical Area C | C02 In situ hochauflösende Untersuchung des aktiven Zustands bei der photo- und elektrochemischen Wasserspaltung"],["dc.relation","SFB 1073 | Topical Area C | C03 Vom Elektronentransfer zur chemischen Energiespeicherung: ab-initio Untersuchungen korrelierter Prozesse"],["dc.relation.issn","1614-6840"],["dc.relation.issn","1614-6832"],["dc.relation.orgunit","Institut für Materialphysik"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.rights","CC BY-NC 4.0"],["dc.title","Evolution of Hot Polaron States with a Nanosecond Lifetime in a Manganite Perovskite"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]
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  • 2017Book Chapter
    [["dc.bibliographiccitation.firstpage","301"],["dc.bibliographiccitation.lastpage","322"],["dc.contributor.author","Bari, Sadia"],["dc.contributor.author","Boll, Rebecca"],["dc.contributor.author","Idzik, Krzysztof"],["dc.contributor.author","Kubicek, Katharina"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Veedu, Sreevidya Thekku"],["dc.contributor.author","Yin, Zhong"],["dc.contributor.author","Techert, Simone"],["dc.contributor.editor","Bergmann, Uwe"],["dc.contributor.editor","Yachandra, Vittal"],["dc.contributor.editor","Yano, Junko"],["dc.date.accessioned","2021-10-14T11:54:51Z"],["dc.date.available","2021-10-14T11:54:51Z"],["dc.date.issued","2017"],["dc.identifier.doi","10.1039/9781782624097-00301"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/90886"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area B | B06 Echtzeituntersuchungen der optischen Anregung in oligonuklearen Metallkomplexen mit schaltbaren Spin- und Ladungszuständen"],["dc.relation.doi","10.1039/9781782624097"],["dc.relation.isbn","978-1-84973-100-3"],["dc.relation.ispartof","X-Ray Free Electron Lasers: Applications in Materials, Chemistry and Biology"],["dc.title","Ultrafast Time Structure Imprints in Complex Chemical and Biochemical Reactions"],["dc.type","book_chapter"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
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  • 2015Journal Article Research Paper
    [["dc.bibliographiccitation.firstpage","1855"],["dc.bibliographiccitation.issue","10-12"],["dc.bibliographiccitation.journal","Zeitschrift für physikalische Chemie"],["dc.bibliographiccitation.lastpage","1867"],["dc.bibliographiccitation.volume","229"],["dc.contributor.author","Yin, Z."],["dc.contributor.author","Rajkovic, Ivan"],["dc.contributor.author","Veedu, Sreevidya Thekku"],["dc.contributor.author","Deinert, Sascha"],["dc.contributor.author","Raiser, Dirk"],["dc.contributor.author","Jain, Rohit"],["dc.contributor.author","Fukuzawa, Hironobu"],["dc.contributor.author","Wada, Shin-ichi"],["dc.contributor.author","Quevedo, Wilson"],["dc.contributor.author","Kennedy, Brian"],["dc.contributor.author","Schreck, Simon"],["dc.contributor.author","Pietzsch, Annette"],["dc.contributor.author","Wernet, Philippe"],["dc.contributor.author","Ueda, Kyoshi"],["dc.contributor.author","Foehlisch, Alexander"],["dc.contributor.author","Techert, Simone"],["dc.date.accessioned","2018-11-07T10:02:46Z"],["dc.date.available","2018-11-07T10:02:46Z"],["dc.date.issued","2015"],["dc.description.abstract","X-ray spectroscopy is a powerful tool to study the local charge distribution of chemical systems. Together with the liquid jet it becomes possible to probe chemical systems in their natural environment, the liquid phase. In this work, we present X-ray absorption (XA), X-ray emission (XE) and resonant inelastic X-ray scattering (RIXS) data of pure water and various salt solutions and show the possibilities these methods offer to elucidate the nature of ion-water interaction."],["dc.identifier.doi","10.1515/zpch-2015-0610"],["dc.identifier.isi","000364609000021"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/38298"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area C | C02 In situ hochauflösende Untersuchung des aktiven Zustands bei der photo- und elektrochemischen Wasserspaltung"],["dc.relation.issn","0942-9352"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Techert (Structural Dynamics in Chemical Systems)"],["dc.title","Ionic Solutions Probed by Resonant Inelastic X-ray Scattering"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]
    Details DOI WOS