Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Alexander Britz"'
Autor:
Marco Reinhard, Alessandro Gallo, Meiyuan Guo, Angel T. Garcia-Esparza, Elisa Biasin, Muhammad Qureshi, Alexander Britz, Kathryn Ledbetter, Kristjan Kunnus, Clemens Weninger, Tim van Driel, Joseph Robinson, James M. Glownia, Kelly J. Gaffney, Thomas Kroll, Tsu-Chien Weng, Roberto Alonso-Mori, Dimosthenis Sokaras
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-11 (2023)
Abstract Reliably identifying short-lived chemical reaction intermediates is crucial to elucidate reaction mechanisms but becomes particularly challenging when multiple transient species occur simultaneously. Here, we report a femtosecond x-ray emiss
Externí odkaz:
https://doaj.org/article/6b8c37f78e594578b594a9ebd3f9f19b
Autor:
Christopher J. Milne, Natalia Nagornova, Thomas Pope, Hui-Yuan Chen, Thomas Rossi, Jakub Szlachetko, Wojciech Gawelda, Alexander Britz, Tim B. van Driel, Leonardo Sala, Simon Ebner, Tetsuo Katayama, Stephen H. Southworth, Gilles Doumy, Anne Marie March, C. Stefan Lehmann, Melanie Mucke, Denys Iablonskyi, Yoshiaki Kumagai, Gregor Knopp, Koji Motomura, Tadashi Togashi, Shigeki Owada, Makina Yabashi, Martin M. Nielsen, Marek Pajek, Kiyoshi Ueda, Rafael Abela, Thomas J. Penfold, Majed Chergui
Publikováno v:
Structural Dynamics, Vol 10, Iss 6, Pp 064501-064501-9 (2023)
The evolution of charge carriers in photoexcited room temperature ZnO nanoparticles in solution is investigated using ultrafast ultraviolet photoluminescence spectroscopy, ultrafast Zn K-edge absorption spectroscopy, and ab initio molecular dynamics
Externí odkaz:
https://doaj.org/article/05232b4aacf64feebd0d51544385296e
Autor:
Thomas Fransson, Roberto Alonso-Mori, Ruchira Chatterjee, Mun Hon Cheah, Mohamed Ibrahim, Rana Hussein, Miao Zhang, Franklin Fuller, Sheraz Gul, In-Sik Kim, Philipp S. Simon, Isabel Bogacz, Hiroki Makita, Casper de Lichtenberg, Sanghoon Song, Alexander Batyuk, Dimosthenis Sokaras, Ramzi Massad, Margaret Doyle, Alexander Britz, Clemens Weninger, Athina Zouni, Johannes Messinger, Vittal K. Yachandra, Junko Yano, Jan Kern, Uwe Bergmann
Publikováno v:
Structural Dynamics, Vol 8, Iss 6, Pp 064302-064302-13 (2021)
In the last ten years, x-ray free-electron lasers (XFELs) have been successfully employed to characterize metalloproteins at room temperature using various techniques including x-ray diffraction, scattering, and spectroscopy. The approach has been to
Externí odkaz:
https://doaj.org/article/831f234caaec48e8a4a450b0cbf5d500
Autor:
Alexander Britz, Andrew R. Attar, Xiang Zhang, Hung-Tzu Chang, Clara Nyby, Aravind Krishnamoorthy, Sang Han Park, Soonnam Kwon, Minseok Kim, Dennis Nordlund, Sami Sainio, Tony F. Heinz, Stephen R. Leone, Aaron M. Lindenberg, Aiichiro Nakano, Pulickel Ajayan, Priya Vashishta, David Fritz, Ming-Fu Lin, Uwe Bergmann
Publikováno v:
Structural Dynamics, Vol 8, Iss 1, Pp 014501-014501-10 (2021)
Femtosecond carrier dynamics in layered 2H-MoTe2 semiconductor crystals have been investigated using soft x-ray transient absorption spectroscopy at the x-ray free-electron laser (XFEL) of the Pohang Accelerator Laboratory. Following above-bandgap op
Externí odkaz:
https://doaj.org/article/713d72345ae044cba625bf49adbd7685
Autor:
Thomas J. Penfold, Jakub Szlachetko, Fabio G. Santomauro, Alexander Britz, Wojciech Gawelda, Gilles Doumy, Anne Marie March, Stephen H. Southworth, Jochen Rittmann, Rafael Abela, Majed Chergui, Christopher J. Milne
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
Metal-oxide nanostructures are used in a range of light-driven applications, yet the fundamentals behind their properties are poorly understood. Here the authors probe photoexcited zinc oxide nanoparticles using time-resolved X-ray spectroscopy, iden
Externí odkaz:
https://doaj.org/article/9471d52e21f84ba386f57838e0b7b505
Autor:
Christopher Milne, Natalia Nagornova, Thomas Pope, Hui-Yuan Chen, Thomas Rossi, Jakub Szlachetko, Wojciech Gawelda, Alexander Britz, Tim Brandt van Driel, Leonardo Sala, Simon Ebner, Tetsuo Katayama, Stephen Southworth, Gilles Doumy, Anne Marie March, C. Stefan Lehmann, Melanie Mucke, Denys Iablonskyi, Yoshiaki Kumagai, Gregor Knopp, Koji Motomura, Tadashi Togashi, Shigeki Owada, Makina Yabashi, Martin Meedom Nielsen, Marek Pajek, Kiyoshi Ueda, Rafael Abela, Thomas J. Penfold, Majed Chergui
Data repository for "Disentangling the Evolution of Electrons and Holes in photoexcited ZnO nanoparticles", submitted to Structural Dynamics (#SDY23-AR-XAS2023-00063). Data are divided in 4 numbered folders, organized as follows: Folder "1 - ZnO_PL_s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b8c6804ddd0ccb6cb29e1f46be14ba4
Publikováno v:
Nature Physics
Autor:
Priya Vashishta, Stephen R. Leone, Rajiv K. Kalia, Daniel M. Neumark, Aravind Krishnamoorthy, Uwe Bergmann, Andrew R Attar, Thomas Linker, Aiichiro Nakano, David Fritz, Pulickel M. Ajayan, Hung-Tzu Chang, Alexander Britz, Xiang Zhang, Ming-Fu Lin
Publikováno v:
ACS Nano. 14:15829-15840
We employ few-femtosecond extreme ultraviolet (XUV) transient absorption spectroscopy to reveal simultaneously the intra- and interband carrier relaxation and the light-induced structural dynamics in nanoscale thin films of layered 2H-MoTe2 semicondu
Autor:
Maria Naumova, Jie Meng, Jianxin Zhang, Peter Zalden, David J. Gosztola, Franc Meyer, Katharina Kubicek, Christian Bressler, Stefano Checchia, Mohamed Abdellah, Matthias Bauer, Michael Wulff, Dirk Schwarzer, Martin Jarenmark, Edoardo Domenichini, Max Latevi Lawson Daku, Sophie E. Canton, Weihua Lin, Alexander Britz, Frederico A. Lima, Joanne W. L. Wong, Wojciech Gawelda, Aleksandr Kalinko, Pierre-Adrien Mante, Serhiy Demeshko, Sol Alvarez Gutierrez, Vadim Murzin, Dmitry Khakhulin, Andreas Galler, Huifang Geng, Kaibo Zheng, Victoria Kabanova, Jennifer Zimara, Mykola Biednov
Publikováno v:
The journal of physical chemistry letters 11, 2133-2141 (2020). doi:10.1021/acs.jpclett.9b03883
Naumova, M A, Kalinko, A, Wong, J W L, Abdellah, M, Geng, H, Domenichini, E, Meng, J, Gutierrez Alvarez, S L, Mante, P-A, Lin, W, Zalden, P, Galler, A, Lima, F, Kubicek, K, Biednov, M, Britz, A, Checchia, S, Kabanova, V, Wulff, M, Zimara, J, Schwarzer, D, Demeshko, S, Murzin, V, Gosztola, D, Jarenmark, M, Zhang, J, Bauer, M, Lawson Daku, M L, Gawelda, W, Khakhulin, D, Bressler, C, Meyer, F, Zheng, K & Canton, S E 2020, ' Revealing Hot and Long-Lived Metastable Spin States in the Photoinduced Switching of Solvated Metallogrid Complexes with Femtosecond Optical and X-ray Spectroscopies ', Journal of Physical Chemistry Letters, vol. 11, pp. 2133-2141 . https://doi.org/10.1021/acs.jpclett.9b03883
Naumova, M A, Kalinko, A, Wong, J W L, Abdellah, M, Geng, H, Domenichini, E, Meng, J, Gutierrez Alvarez, S L, Mante, P-A, Lin, W, Zalden, P, Galler, A, Lima, F, Kubicek, K, Biednov, M, Britz, A, Checchia, S, Kabanova, V, Wulff, M, Zimara, J, Schwarzer, D, Demeshko, S, Murzin, V, Gosztola, D, Jarenmark, M, Zhang, J, Bauer, M, Lawson Daku, M L, Gawelda, W, Khakhulin, D, Bressler, C, Meyer, F, Zheng, K & Canton, S E 2020, ' Revealing Hot and Long-Lived Metastable Spin States in the Photoinduced Switching of Solvated Metallogrid Complexes with Femtosecond Optical and X-ray Spectroscopies ', Journal of Physical Chemistry Letters, vol. 11, pp. 2133-2141 . https://doi.org/10.1021/acs.jpclett.9b03883
An atomistic understanding of the photoinduced spin-state switching (PSS) within polynuclear systems of d4-d7 transition metal ion complexes is required for their rational integration into light-driven reactions of chemical and biological interest. H
Autor:
James M. Glownia, Daniel P. DePonte, James E. Penner-Hahn, April K Kaneshiro, Nicholas A. Miller, Kevin J. Kubarych, Lindsay B Michocki, Tim Brandt van Driel, Jake Koralek, Roseanne J. Sension, Alexander Britz, Aniruddha Deb, Bernhard Kräutler, Christoph Kieninger, Joseph H Meadows, Roberto Alonso-Mori
Publikováno v:
The Journal of Physical Chemistry Letters. 10:5484-5489
Polarized transient X-ray absorption near-edge structure (XANES) was used to probe the excited-state structure of a photostable B12 antivitamin (Coβ-2-(2,4-difluorophenyl)-ethynylcobalamin, F2PhEtyCbl). A drop-on-demand delivery system synchronized