SPring-8/SACLA Research Report

Online ISSN : 2187-6886

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Volume 11, Issue 3

SPring-8 Document D 2023-009

Displaying 1-7 of 7 articles from this issue

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Section A

Band Structure Analysis of (Er_xSc_1-x)₂O₃/Si(111) Interface using Hard X-ray Photoemission Spectroscopy

Hiroo Omi, Kazushi Yokoyama

2023 Volume 11 Issue 3 Pages 167-171
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.167

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High-Pressure X-ray Diffraction Study of In-Sn, In-Ge, and Bi-Sn Mixtures

John S. Tse, Robert Bauer, Serge Desgreniers

2023 Volume 11 Issue 3 Pages 172-176
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.172

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　Powder X-ray diffraction patterns of compressed In-Sn, In-Ge, and Bi-Sn mixtures were recorded. At ambient, In-Sn is an alloy with a hexagonal structure. It then transforms to a mix hexagonal and orthorhombic structures. For Bi-Sn, the elements do not mix at ambient conditions. At 2.58 GPa, the system transforms to a solid solution with an orthorhombic structure but dissociates back to the elemental phases above 10 GPa. In the In-Ge system, no alloy formation is observed.

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Three-dimensional Shapes of Olivine Negative Crystals in Equilibrated Ordinary Chondrites ~ Comparison with the Equilibrium Shape and Implications to Thermal Alteration.

Akira Tsuchiyama, Ryuta Nakamura, Akira Miyake, Junya Matsuno, Aki Tak ...

2023 Volume 11 Issue 3 Pages 177-182
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.177

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Characterization of Electronic Structure in Dielectric Materials

Sakyo Hirose, Tomoki Murata, Tomoyasu Usui, Kohei Haruki

2023 Volume 11 Issue 3 Pages 183-188
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.183

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Magnetic Structure Induced in Au Layers of Fe/Au(111) Multilayers by Resonant X-ray Magnetic Scattering at the Au L₃ Absorption Edge

Yoshitomo Jikuya, Taku Konishi, Nobuyoshi Hosoito

2023 Volume 11 Issue 3 Pages 189-193
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.189

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Section B

Analysis on Local Environment of Fe in Al by XAFS Measurement

Kazuhiro Goto, Kazuya Tokuda, Junji Iihara

2023 Volume 11 Issue 3 Pages 194-200
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.194

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Section SACLA

Studies of Laser-Induced Phase Transitions and Soft Phonon Mode Dynamics in SrTiO₃

Tai Chiang, Meng-Kai Lin, Ro-Ya Liu, Sergey Lazarev, Ivan Vartaniants, ...

2023 Volume 11 Issue 3 Pages 201-204
Published: June 30, 2023
Released on J-STAGE: June 30, 2023

DOIhttps://doi.org/10.18957/rr.11.3.201

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　Dynamic effects associated with phase transitions represent a frontier area in condensed matter physics. For our pump-probe work at SACLA, we aim to explore the behavior of a model system, strontium titanate, which shows an antiferroelectric transition. The physics of interest include photon-electron-lattice coupling, coherent N-phonon excitations, lattice oscillations, transient soft mode dynamics, dephasing, and energy relaxation and dissipation.

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