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Time-resolved Bragg coherent X-ray diffraction revealing ultrafast lattice dynamics in nano-thickness crystal layer using X-ray free electron laser

Time-resolved Bragg coherent X-ray diffraction revealing ultrafast lattice dynamics in nano-thickness crystal layer using X-ray free electron laser
Time-resolved Bragg coherent X-ray diffraction revealing ultrafast lattice dynamics in nano-thickness crystal layer using X-ray free electron laser
Ultrafast time-resolved Bragg coherent X-ray diffraction (CXD) has been performed to investigate lattice dynamics in a thin crystal layer with a nanoscale thickness by using a SASE (Self-Amplified Spontaneous Emission)-XFEL (X-ray Free Electron Laser) facility, SACLA. Single-shot Bragg coherent diffraction patterns of a 100 nm-thick silicon crystal were measured in the asymmetric configuration with a grazing exit using an area detector. The measured coherent diffraction patterns showed fringes extending in the surface normal direction. By using an optical femtosecond laser-pump and the XFEL-probe, a transient broadening of coherent diffraction pattern profile was observed at a delay time of around a few tens of picosecond, indicating transient crystal lattice fluctuation induced by the optical laser. A perspective application of the time-resolved Bragg CXD method to investigate small sized grains composing ceramic materials is discussed.

0914-5400
283-286
Tanaka, Yoshihito
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Ito, Kiminori
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Nakatani, Takashi
86b47637-41f7-45b7-be06-7fa6fe3012b6
Onitsuka, Rena
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Newton, Marcus
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Sato, Takahiro
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Togashi, Tadashi
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Yabashi, Makina
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Kawaguchi, Tomoya
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Shimada, Koki
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Tokuda, Kazuya
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Takahashi, Isao
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Ichitsubo, Tetsu
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Matsubara, Eiichiro
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Nishino, Yoshinori
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Tanaka, Yoshihito
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Ito, Kiminori
b8e1b2fb-e203-49b6-a8ce-908c9418a30e
Nakatani, Takashi
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Onitsuka, Rena
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Newton, Marcus
fac92cce-a9f3-46cd-9f58-c810f7b49c7e
Sato, Takahiro
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Togashi, Tadashi
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Yabashi, Makina
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Kawaguchi, Tomoya
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Shimada, Koki
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Tokuda, Kazuya
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Takahashi, Isao
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Ichitsubo, Tetsu
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Matsubara, Eiichiro
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Nishino, Yoshinori
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Tanaka, Yoshihito, Ito, Kiminori, Nakatani, Takashi, Onitsuka, Rena, Newton, Marcus, Sato, Takahiro, Togashi, Tadashi, Yabashi, Makina, Kawaguchi, Tomoya, Shimada, Koki, Tokuda, Kazuya, Takahashi, Isao, Ichitsubo, Tetsu, Matsubara, Eiichiro and Nishino, Yoshinori (2013) Time-resolved Bragg coherent X-ray diffraction revealing ultrafast lattice dynamics in nano-thickness crystal layer using X-ray free electron laser. Journal of the Ceramic Society of Japan, 121 (1411), 283-286. (doi:10.2109/jcersj2.121.283).

Record type: Article

Abstract

Ultrafast time-resolved Bragg coherent X-ray diffraction (CXD) has been performed to investigate lattice dynamics in a thin crystal layer with a nanoscale thickness by using a SASE (Self-Amplified Spontaneous Emission)-XFEL (X-ray Free Electron Laser) facility, SACLA. Single-shot Bragg coherent diffraction patterns of a 100 nm-thick silicon crystal were measured in the asymmetric configuration with a grazing exit using an area detector. The measured coherent diffraction patterns showed fringes extending in the surface normal direction. By using an optical femtosecond laser-pump and the XFEL-probe, a transient broadening of coherent diffraction pattern profile was observed at a delay time of around a few tens of picosecond, indicating transient crystal lattice fluctuation induced by the optical laser. A perspective application of the time-resolved Bragg CXD method to investigate small sized grains composing ceramic materials is discussed.

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More information

Published date: 1 March 2013

Identifiers

Local EPrints ID: 458077
URI: http://eprints.soton.ac.uk/id/eprint/458077
ISSN: 0914-5400
PURE UUID: 72f26558-4153-4190-96cb-45046ffe874f
ORCID for Marcus Newton: ORCID iD orcid.org/0000-0002-4062-2117

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Date deposited: 28 Jun 2022 16:37
Last modified: 17 Mar 2024 03:33

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Contributors

Author: Yoshihito Tanaka
Author: Kiminori Ito
Author: Takashi Nakatani
Author: Rena Onitsuka
Author: Marcus Newton ORCID iD
Author: Takahiro Sato
Author: Tadashi Togashi
Author: Makina Yabashi
Author: Tomoya Kawaguchi
Author: Koki Shimada
Author: Kazuya Tokuda
Author: Isao Takahashi
Author: Tetsu Ichitsubo
Author: Eiichiro Matsubara
Author: Yoshinori Nishino

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