Zobrazeno 1 - 10
of 237
pro vyhledávání: '"Dimosthenis Sokaras"'
Autor:
Cali Antolini, Victor Sosa Alfaro, Marco Reinhard, Gourab Chatterjee, Ryan Ribson, Dimosthenis Sokaras, Leland Gee, Takahiro Sato, Patrick L. Kramer, Sumana Laxmi Raj, Brandon Hayes, Pamela Schleissner, Angel T. Garcia-Esparza, Jinkyu Lim, Jeffrey T. Babicz, Alec H. Follmer, Silke Nelson, Matthieu Chollet, Roberto Alonso-Mori, Tim B. van Driel
Publikováno v:
Molecules, Vol 29, Iss 10, p 2323 (2024)
The ability to study chemical dynamics on ultrafast timescales has greatly advanced with the introduction of X-ray free electron lasers (XFELs) providing short pulses of intense X-rays tailored to probe atomic structure and electronic configuration.
Externí odkaz:
https://doaj.org/article/3c12ea1266a84105b3002b43ee1df7d1
Autor:
Pritam Sadhukhan, Shu-Qi Wu, Shinji Kanegawa, Sheng-Qun Su, Xiaopeng Zhang, Takumi Nakanishi, Jeremy Ian Long, Kaige Gao, Rintaro Shimada, Hajime Okajima, Akira Sakamoto, Joy G. Chiappella, Myron S. Huzan, Thomas Kroll, Dimosthenis Sokaras, Michael L. Baker, Osamu Sato
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract To alleviate the energy and environmental crisis, in the last decades, energy harvesting by utilizing optical control has emerged as a promising solution. Here we report a polar crystal that exhibits photoenergy conversion and energy storage
Externí odkaz:
https://doaj.org/article/2699abc379c04fd78c72d62ef7b91c49
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:
Marco Reinhard, Dean Skoien, Jacob A. Spies, Angel T. Garcia-Esparza, Benjamin D. Matson, Jeff Corbett, Kai Tian, James Safranek, Eduardo Granados, Matthew Strader, Kelly J. Gaffney, Roberto Alonso-Mori, Thomas Kroll, Dimosthenis Sokaras
Publikováno v:
Structural Dynamics, Vol 10, Iss 5, Pp 054304-054304-11 (2023)
We present a dedicated end-station for solution phase high repetition rate (MHz) picosecond hard x-ray spectroscopy at beamline 15-2 of the Stanford Synchrotron Radiation Lightsource. A high-power ultrafast ytterbium-doped fiber laser is used to phot
Externí odkaz:
https://doaj.org/article/24bacb8548384de4887f7aa1d955c919
Autor:
Oscar A. Paredes-Mellone, Michael H. Nielsen, John Vinson, Konmeng Moua, K. Dean Skoien, Dimosthenis Sokaras, Trevor M. Willey
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract We investigate the sensitivity and potential of a synergistic experiment-theory X-ray Raman spectroscopy (XRS) methodology on revealing and following the static and dynamic electronic structure of high explosive molecular materials. We show
Externí odkaz:
https://doaj.org/article/18b40465b1ad477faf07b9ab0d0b128e
Autor:
Pritam Sadhukhan, Shu-Qi Wu, Jeremy Ian Long, Takumi Nakanishi, Shinji Kanegawa, Kaige Gao, Kaoru Yamamoto, Hajime Okajima, Akira Sakamoto, Michael L. Baker, Thomas Kroll, Dimosthenis Sokaras, Atsushi Okazawa, Norimichi Kojima, Yoshihito Shiota, Kazunari Yoshizawa, Osamu Sato
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Pyroelectric materials exhibiting large and nearly constant pyroelectric coefficients over a wide temperature range are highly desirable. Here, the authors develop molecular [FeCo] crystals with continuous pyroelectricity, originating from a transiti
Externí odkaz:
https://doaj.org/article/de38341e36a346469ee5e718ab7df818
Autor:
Marco E. Reinhard, Michael W. Mara, Thomas Kroll, Hyeongtaek Lim, Ryan G. Hadt, Roberto Alonso-Mori, Matthieu Chollet, James M. Glownia, Silke Nelson, Dimosthenis Sokaras, Kristjan Kunnus, Tim Brandt van Driel, Robert W. Hartsock, Kasper S. Kjaer, Clemens Weninger, Elisa Biasin, Leland B. Gee, Keith O. Hodgson, Britt Hedman, Uwe Bergmann, Edward I. Solomon, Kelly J. Gaffney
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
The dissociation mechanism of the heme axial ligand in heme proteins is not yet fully understood. The authors investigate the photodissociation dynamics of the bond between heme Fe and methionine S in ferrous cytochrome c using femtosecond time-resol
Externí odkaz:
https://doaj.org/article/b36cfbe98c1e409a802196ff2da67f18
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:
Kristjan Kunnus, Morgane Vacher, Tobias C. B. Harlang, Kasper S. Kjær, Kristoffer Haldrup, Elisa Biasin, Tim B. van Driel, Mátyás Pápai, Pavel Chabera, Yizhu Liu, Hideyuki Tatsuno, Cornelia Timm, Erik Källman, Mickaël Delcey, Robert W. Hartsock, Marco E. Reinhard, Sergey Koroidov, Mads G. Laursen, Frederik B. Hansen, Peter Vester, Morten Christensen, Lise Sandberg, Zoltán Németh, Dorottya Sárosiné Szemes, Éva Bajnóczi, Roberto Alonso-Mori, James M. Glownia, Silke Nelson, Marcin Sikorski, Dimosthenis Sokaras, Henrik T. Lemke, Sophie E. Canton, Klaus B. Møller, Martin M. Nielsen, György Vankó, Kenneth Wärnmark, Villy Sundström, Petter Persson, Marcus Lundberg, Jens Uhlig, Kelly J. Gaffney
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-11 (2020)
Photoinduced non-adiabatic intramolecular processes have important applications but their mechanisms are challenging to explore. Here the authors detect and assign vibrational wavepacket dynamics in a Fe carbene complex by ultrafast X-ray emission sp
Externí odkaz:
https://doaj.org/article/6b31a8a42e654935b702259eb2eae14d
Autor:
Sangwook Park, Angel T. Garcia‐Esparza, Hadi Abroshan, Baxter Abraham, John Vinson, Alessandro Gallo, Dennis Nordlund, Joonsuk Park, Taeho Roy Kim, Lauren Vallez, Roberto Alonso‐Mori, Dimosthenis Sokaras, Xiaolin Zheng
Publikováno v:
Advanced Science, Vol 8, Iss 9, Pp n/a-n/a (2021)
Abstract Monolayer MoS2 is a promising semiconductor to overcome the physical dimension limits of microelectronic devices. Understanding the thermochemical stability of MoS2 is essential since these devices generate heat and are susceptible to oxidat
Externí odkaz:
https://doaj.org/article/df8f5fd7a3c74e8f88a1ad4bd7b22971