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Shigeki Owada
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Journal Articles

A simple method to find temporal overlap between THz and x-ray pulses using x-ray-induced carrier dynamics in semiconductors

Editor’s PickAvailable to Purchase
Yuya Kubota, Takeshi Suzuki, Shigeki Owada, Kenji Tamasaku, Hitoshi Osawa, Tadashi Togashi, Kozo Okazaki, Makina Yabashi
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 052101 (2025)
https://doi.org/10.1063/5.0242393
Published: February 2025
View articletitled, A simple method to find temporal overlap between THz and x-ray pulses using x-ray-induced carrier dynamics in semiconductors
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Journal Articles

Disentangling the evolution of electrons and holes in photoexcited ZnO nanoparticles

Open Access
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
Journal: Structural Dynamics
Struct. Dyn. 10, 064501 (2023)
https://doi.org/10.1063/4.0000204
Published: November 2023
View articletitled, Disentangling the evolution of electrons and holes in photoexcited ZnO nanoparticles
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Includes: Supplementary data
Journal Articles

Multi-aperture grating for spectroscopic and microscopic imaging with single-shot x-ray pulse

Free
Yoko Takeo, Satoru Egawa, Noboru Furuya, Kai Sakurai, Shigeki Owada, Makina Yabashi, Takashi Kimura
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2990, 030004 (2023)
https://doi.org/10.1063/5.0175475
Published: September 2023
View articletitled, Multi-aperture grating for spectroscopic and microscopic imaging with single-shot x-ray pulse
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Journal Articles

Detecting driving potentials at the buried SiO2 nanolayers in solar cells by chemical-selective nonlinear x-ray spectroscopy

Available to Purchase
Masafumi Horio, Toshihide Sumi, James Bullock, Yasuyuki Hirata, Masashige Miyamoto, Bailey R. Nebgen, Tetsuya Wada, Tomoaki Senoo, Yuki Tsujikawa, Yuya Kubota, Shigeki Owada, Kensuke Tono, Makina Yabashi, Takushi Iimori, Yoshihiro Miyauchi, Michael W. Zuerch, Iwao Matsuda, Craig P. Schwartz, Walter S. Drisdell
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 031602 (2023)
https://doi.org/10.1063/5.0156171
Published: July 2023
View articletitled, Detecting driving potentials at the buried SiO2 nanolayers in solar cells by chemical-selective nonlinear x-ray spectroscopy
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Includes: Supplementary data
Journal Articles

Figure correction of a Wolter mirror master mandrel by organic abrasive machining

Editor’s PickAvailable to Purchase
Satoru Egawa, Yusuke Matsuzawa, Kentaro Hiraguri, Hiroto Motoyama, Gota Yamaguchi, Shunya Yokomae, Yoshinori Takei, Takehiro Kume, Shigeki Owada, Kensuke Tono, Makina Yabashi, Hirokazu Hashizume, Hidekazu Mimura
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 053707 (2023)
https://doi.org/10.1063/5.0145122
Published: May 2023
View articletitled, Figure correction of a Wolter mirror master mandrel by organic abrasive machining
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Journal Articles

Copper electroforming replication process for soft x-ray mirrors

Available to Purchase
Gota Yamaguchi, Hiroto Motoyama, Shigeki Owada, Yuya Kubota, Satoru Egawa, Takehiro Kume, Yoko Takeo, Makina Yabashi, Hidekazu Mimura
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 123106 (2021)
https://doi.org/10.1063/5.0065684
Published: December 2021
View articletitled, Copper electroforming replication process for soft x-ray mirrors
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Journal Articles

Scanning magneto-optical Kerr effect (MOKE) measurement with element-selectivity by using a soft x-ray free-electron laser and an ellipsoidal mirror

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Yuya Kubota, Hiroto Motoyama, Gota Yamaguchi, Satoru Egawa, Yoko Takeo, Masaki Mizuguchi, Himanshu Sharma, Shigeki Owada, Kensuke Tono, Hidekazu Mimura, Iwao Matsuda, Makina Yabashi
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 042405 (2020)
https://doi.org/10.1063/5.0012348
Published: July 2020
View articletitled, Scanning magneto-optical Kerr effect (MOKE) measurement with element-selectivity by using a soft x-ray free-electron laser and an ellipsoidal mirror
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Journal Articles

Element-selectively tracking ultrafast demagnetization process in Co/Pt multilayer thin films by the resonant magneto-optical Kerr effect

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Kohei Yamamoto, Souliman El Moussaoui, Yasuyuki Hirata, Susumu Yamamoto, Yuya Kubota, Shigeki Owada, Makina Yabashi, Takeshi Seki, Koki Takanashi, Iwao Matsuda, Hiroki Wadati
Journal: Applied Physics Letters
Appl. Phys. Lett. 116, 172406 (2020)
https://doi.org/10.1063/5.0005393
Published: May 2020
View articletitled, Element-selectively tracking ultrafast demagnetization process in Co/Pt multilayer thin films by the resonant magneto-optical Kerr effect
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Includes: Supplementary data
Journal Articles

Electron spectroscopic study of nanoplasma formation triggered by intense soft x-ray pulses

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Akinobu Niozu, Naomichi Yokono, Toshiyuki Nishiyama, Hironobu Fukuzawa, Tomohiro Sakurazawa, Kazuhiro Matsuda, Tsukasa Takanashi, Daehyun You, Yiwen Li, Taishi Ono, Thomas Gaumnitz, Markus Schöffler, Sven Grundmann, Shin-ichi Wada, Paolo Carpeggiani, Wei Qing Xu, Xiao Jing Liu, Shigeki Owada, Kensuke Tono, Tadashi Togashi, Makina Yabashi, Nikolai V. Kryzhevoi, Kirill Gokhberg, Alexander I. Kuleff, Lorenz S. Cederbaum, Kiyoshi Ueda, Kiyonobu Nagaya
Journal: The Journal of Chemical Physics
J. Chem. Phys. 151, 184305 (2019)
https://doi.org/10.1063/1.5115053
Published: November 2019
View articletitled, Electron spectroscopic study of nanoplasma formation triggered by intense soft x-ray pulses
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Journal Articles

High-resolution crystal structures of a myxobacterial phytochrome at cryo and room temperatures

Open Access
Juan C. Sanchez, Melissa Carrillo, Suraj Pandey, Moraima Noda, Luis Aldama, Denisse Feliz, Elin Claesson, Weixiao Yuan Wahlgren, Gregory Tracy, Phu Duong, Angela C. Nugent, Andrew Field, Vukica Šrajer, Christopher Kupitz, So Iwata, Eriko Nango, Rie Tanaka, Tomoyuki Tanaka, Luo Fangjia, Kensuke Tono, Shigeki Owada, Sebastian Westenhoff, Marius Schmidt, Emina A. Stojković
Journal: Structural Dynamics
Struct. Dyn. 6, 054701 (2019)
https://doi.org/10.1063/1.5120527
Published: September 2019
View articletitled, High-resolution crystal structures of a myxobacterial phytochrome at cryo and room temperatures
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Includes: Supplementary data
Journal Articles

A versatile experimental system for tracking ultrafast chemical reactions with X-ray free-electron lasers

Open Access
Tetsuo Katayama, Shunsuke Nozawa, Yasufumi Umena, SungHee Lee, Tadashi Togashi, Shigeki Owada, Makina Yabashi
Journal: Structural Dynamics
Struct. Dyn. 6, 054302 (2019)
https://doi.org/10.1063/1.5111795
Published: September 2019
View articletitled, A versatile experimental system for tracking ultrafast chemical reactions with X-ray free-electron lasers
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Journal Articles

Dynamics of the photoinduced insulator-to-metal transition in a nickelate film

Open Access
Vincent Esposito, Laurenz Rettig, Elisabeth M. Bothschafter, Yunpei Deng, Christian Dornes, Lucas Huber, Tim Huber, Gerhard Ingold, Yuichi Inubushi, Tetsuo Katayama, Tomoya Kawaguchi, Henrik Lemke, Kanade Ogawa, Shigeki Owada, Milan Radovic, Mahesh Ramakrishnan, Zoran Ristic, Valerio Scagnoli, Yoshikazu Tanaka, Tadashi Togashi, Kensuke Tono, Ivan Usov, Yoav W. Windsor, Makina Yabashi, Steven L. Johnson, Paul Beaud, Urs Staub
Journal: Structural Dynamics
Struct. Dyn. 5, 064501 (2018)
https://doi.org/10.1063/1.5063530
Published: December 2018
View articletitled, Dynamics of the photoinduced insulator-to-metal transition in a nickelate film
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Journal Articles

Coincidence timing of femtosecond optical pulses in an X-ray free electron laser

Editor’s PickAvailable to Purchase
Alvaro Sanchez-Gonzalez, Allan S. Johnson, Ann Fitzpatrick, Christopher D. M. Hutchison, Clyde Fare, Violeta Cordon-Preciado, Gabriel Dorlhiac, Josie L. Ferreira, Rhodri M. Morgan, Jon P. Marangos, Shigeki Owada, Takanori Nakane, Rie Tanaka, Kensuke Tono, So Iwata, Jasper J. van Thor
Journal: Journal of Applied Physics
J. Appl. Phys. 122, 203105 (2017)
https://doi.org/10.1063/1.5012749
Published: November 2017
View articletitled, Coincidence timing of femtosecond optical pulses in an X-ray free electron laser
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Includes: Supplementary data
Journal Articles

Femtosecond time-resolved X-ray absorption spectroscopy of anatase TiO2 nanoparticles using XFEL

Editor’s PickOpen Access
Yuki Obara, Hironori Ito, Terumasa Ito, Naoya Kurahashi, Stephan Thürmer, Hiroki Tanaka, Tetsuo Katayama, Tadashi Togashi, Shigeki Owada, Yo-ichi Yamamoto, Shutaro Karashima, Junichi Nishitani, Makina Yabashi, Toshinori Suzuki, Kazuhiko Misawa
Journal: Structural Dynamics
Struct. Dyn. 4, 044033 (2017)
https://doi.org/10.1063/1.4989862
Published: June 2017
View articletitled, Femtosecond time-resolved X-ray absorption spectroscopy of anatase TiO2 nanoparticles using XFEL
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Includes: Supplementary data
Journal Articles

A beam branching method for timing and spectral characterization of hard X-ray free-electron lasers

Open Access
Tetsuo Katayama, Shigeki Owada, Tadashi Togashi, Kanade Ogawa, Petri Karvinen, Ismo Vartiainen, Anni Eronen, Christian David, Takahiro Sato, Kyo Nakajima, Yasumasa Joti, Hirokatsu Yumoto, Haruhiko Ohashi, Makina Yabashi
Journal: Structural Dynamics
Struct. Dyn. 3, 034301 (2016)
https://doi.org/10.1063/1.4939655
Published: January 2016
View articletitled, A beam branching method for timing and spectral characterization of hard X-ray free-electron lasers
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