SPring-8/SACLA Research Report

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Volume 8, Issue 2

SPring-8 Document D2020-010

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Section A

Evolution of the A-site coordination of Sr_1-xCa_xFeO₂(x = 0, 0.8 and 1)

Cédric Tassel, Masaichiro Mizumaki, Saburo Hosokawa, Yoji Kobayashi, H ...

2020 Volume 8 Issue 2 Pages 175-177
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.175

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In this report, we have investigated the local coordination of strontium and calcium in Sr_1-xCa_xFeO₂ (x = 0, 0.8 and 1) via extended x-ray absorption fine structure at room temperature. We observe the different local coordinations in the infinite layer phases (x = 0, 0.8) and distorted infinite layer structure CaFeO₂.

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The Kinetics of a Single G-protein-coupled Receptor in a Living Cell using Diffracted X-ray Tracking

Tadashi Tojo, Naoki Ogawa, Yuji C. Sasaki, Hiroshi Sekiguchi

2020 Volume 8 Issue 2 Pages 178-181
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.178

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Spin Density and Orbital Occupation in the Invar System Fe-Ni

J. A. Duffy, D. A. Kersh, I. Maskery, S. R. Giblin

2020 Volume 8 Issue 2 Pages 182-186
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.182

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The aim of this experiment was to investigate the temperature dependence of the spin density of the Invar system Fe₆₅Ni₃₅ via measurements on a single crystal using magnetic Compton scattering. We made measurements of the spin density resolved along the [100] and [110] crystallographic directions. The temperature dependence exhibited a subtle change in the momentum density. Interestingly, the momentum distribution of the spin moment was different for the two crystallographic directions. It would appear that increasing temperature has a complicated effect on the contributions of the electrons from different orbitals, rather than just causing a change in the amount of delocalisation. This change requires further investigation, particularly with further compositions being studied in order to determine whether the change in electronic structure can be correlated with the existence of the Invar effect.

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Role of Nb in Improving the Cyclic Stability of V-Ti-Cr Alloys

Hyunjeong Kim, Kouji Sakaki, Kohta Asano, Daiju Matsumura, Akihiko Mac ...

2020 Volume 8 Issue 2 Pages 187-190
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.187

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The degradation of reversible hydrogen storage capacity of V-Ti-Cr alloys can be greatly reduced by dissolving a small amount of Nb, yet the exact role of Nb in improving cyclic stability is not known. In this study, we have investigated local structural changes in V_0.25Ti_0.25Cr_0.5H₂ and V_0.25Ti_0.25Cr_0.45Nb_0.05H₂during hydrogen cycling using the X-ray atomic pair distribution function and the extended X-ray absorption fine structure spectra to understand the effect of Nb. Our study suggests that during hydrogen cycling large Ti atoms are dragged to dislocation cores to reduce strain induced by dislocations. This leaves Ti-poor regions near dislocations for which higher hydrogen gas pressure is required for hydrogen uptake. It is most probable that Nb prevents the segregation of Ti.

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Structural Analysis on Gold Nanoparticles Protected by Sugar-Based Amphiphilic Oligomers

Tomokazu Yoshimura, Shiho Yada

2020 Volume 8 Issue 2 Pages 191-194
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.191

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High Pressure Crystalline Structures of Se at Low Temperature

John S. Tse, Serge Desgreniers, Takahiro Matsuoka, Yasuo Ohishi

2020 Volume 8 Issue 2 Pages 195-198
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.195

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The low-temperature high-pressure structures of elemental selenium (Se) have been characterized by in-situ x-ray diffraction in a diamond anvil cell. A phase diagram appropriate for the P-T conditions is constructed from the results. Unlike the closely related elemental barium (Ba), no new structure was found by first cooling the sample to 10 K and then compressed to 34 GPa. The results confirmed the structure of the superconducting phase observed at 13 GPa,

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In situ Observation by 4D-imaging of Chondrule Formation Process

Masayuki Uesugi

2020 Volume 8 Issue 2 Pages 199-203
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.199

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XAFS Analysis of Oxide Films Depend on Dissolved Hydrogen

Takaaki Kobayashi

2020 Volume 8 Issue 2 Pages 204-209
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.204

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Elucidation of Ions’ Dynamics in Light-Emitting Chemical Cell by Means of Operando Soft X-ray Nanospectroscopy

Shimpei Ono, Kazumoto Miwa, Takuo Ohkochi

2020 Volume 8 Issue 2 Pages 210-213
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.210

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Development of MA6-6 Type AE Monitoring System in D-DIA Apparatus

Takuya Iwasato, Tomoaki Kubo, Yuji Higo

2020 Volume 8 Issue 2 Pages 214-218
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.214

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Valence Electronic Structure Study for the Improvement of Catalytic Activity of Pt-based Core-Shell Catalyst for Polymer Electrolyte Fuel Cells

Yoshihisa Harada, Hideharu Niwa, Shoichi Hidai, Jun Miyawaki, Hisao Ki ...

2020 Volume 8 Issue 2 Pages 219-222
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.219

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Development of Measurement Technique for Bulk Magnet with Residual Magnetization using Hard X-ray Photoelectron Spectroscopy

Akira Yasui, Eiji Ikenaga, Wakana Ueno, Naruki Tsuji, Yoshinori Kotani ...

2020 Volume 8 Issue 2 Pages 223-227
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.223

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X-ray Diffraction Measurements on Liquid Rh with Electrostatic Levitator

Junpei Okada, Yasuhiro Watanabe, Takehiko Ishikawa

2020 Volume 8 Issue 2 Pages 228-230
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.228

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Mechanical Optimization of Biomineralized Materials of Marine Origin

Dirk Müter, J. Oddershede, S. Schmidt, K. Uesugi, Henning Osholm Søren ...

2020 Volume 8 Issue 2 Pages 231-233
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.231

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Biomineralization is utilised by animals to form durable yet lightweight structures, e.g. bones, teeth and shells. Here we focus on the microstructure of the exoskeleton of the heart urchin because of its unusual strength. This species shares many features with sea urchins but deviates in appearance because it has adapted to withstand high pressures because it is buried in the sand.

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Analysis on Bone Microstructure for Osteonecrosis of the Femoral Head by Synchrotron Radiation CT

Kiyoshi Sada, Ko Chiba, Narihiro Okazaki, Nobuhito Nango, Shogo Kubota ...

2020 Volume 8 Issue 2 Pages 234-237
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.234

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Study on Electronic Structure of Antiferromagnetic State in Rh-Substituted URu₂Si₂

Akihisa Koizumi, Yoshinori Haga, Masayoshi Ito, Yoshiharu Sakurai

2020 Volume 8 Issue 2 Pages 238-241
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.238

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Co-L_2,3 Edge Soft X-ray Absorption Spectroscopy of Topochemically Oxidized CaCoO₃ Thin Films

Cédric Tassel, Wataru Yoshimune, Masaichiro Mizumaki, Yoji Kobayashi, ...

2020 Volume 8 Issue 2 Pages 242-246
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.242

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In this report, we present the characterization of CaCo^IVO₃ perovskite thin films prepared from the oxidation of CaCo^IIIO_2.5 brownmillerite films using a NaClO solution. The oxidation state and octahedral coordination of cobalt in CaCoO₃ is confirmed by comparing with that of SrCoO₃ via Co-L_2,3 edge soft X-ray absorption spectroscopy.

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Infrared Near-Field Spectroscopy by Synchrotron Radiation

Yuka Ikemoto

2020 Volume 8 Issue 2 Pages 247-250
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.247

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Analysis of Effect of Plasma Nitridation on SiO₂/SiC by Angle-Resolved X-ray Photoelectron Spectroscopy

Hiroshi Nohira, Tomoya Sasago, Takayuki Muro

2020 Volume 8 Issue 2 Pages 251-253
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.251

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Development of the Data Processing Method for Protein Crystallography at SACLA

Kunio Hirata

2020 Volume 8 Issue 2 Pages 254-258
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.254

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X-ray Crystallographic Analysis of a Highly Sensitive DNA Fluorescence Sensor Bound to DNA

Koji Tsukamoto

2020 Volume 8 Issue 2 Pages 259-262
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.259

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Structural Study of Na-Ge-P-S Superionic Conductors

Yohei Onodera, Kazuhito Dejima

2020 Volume 8 Issue 2 Pages 263-266
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.263

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Study of Structures of Electronic Double Layer Formed in Ionic Liquids using X-ray Reflectiv

Kazuhisa Tamura

2020 Volume 8 Issue 2 Pages 267-269
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.267

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A Potentially New Li-N Alloy at High Pressure

John S. Tse, Serge Desgreniers, Jianbao Zhao

2020 Volume 8 Issue 2 Pages 270-273
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.270

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In-situ powder X-ray diffraction patterns of a dense mixture of elemental Li and molecular nitrogen in a diamond anvil cell were recorded using synchrotron radiation. From the changes in the X-ray diffraction features, the formation of molecular complexes was observed at very low pressure. Upon a compression to above 4 GPa in conjunction with annealing by laser heating, an almost uniformly distributed single phase was observed. The X-ray diffraction patterns cannot be explained by any known phases of Li_-2system. The X-ray diffraction pattern, however, bears similarities with that of the theoretically predicted hexagonal LiN₃structure, composed of unusual “N₆” rings.

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Effect of Hydrogen on the Sound Velocity of fcc-Fe at High Pressures and High Temperatures

Yuki Shibazaki, Keisuke Nishida, Hiromu Tobe, Hideori Terasaki, Yuji H ...

2020 Volume 8 Issue 2 Pages 274-277
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.274

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We have performed the measurements of the sound velocities of fcc-FeH_x and fcc-Fe by using a pulse-echo overlap technique at high pressures and high temperatures at BL04B1. The P-wave velocity (V_P) of fcc-FeH_x (x~0.4) at approximately 12.0 GPa and 900 K was same as that of fcc-Fe, indicating no hydrogen effect on V_P of fcc-Fe under that pressure-, temperature-, and hydrogen-conditions.

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Attempt at Mineralogical Identification of Platinum-Group-Element-Bearing Microphases in Peridotite with Microbeam X-ray Diffraction

Tetsu Kogiso, Norikatsu Akizawa, Akira Miyake, Masayuki Uesugi

2020 Volume 8 Issue 2 Pages 278-281
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.278

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Clarification of Local Structure of Coordination Nanosheet using XAFS

Hiroaki Maeda, Ryota Matsuoka, Ken Hoshiko, Hiroyasu Masunaga, Sono Sa ...

2020 Volume 8 Issue 2 Pages 282-286
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.282

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Localization Analysis of Iodine-Conjugated Boron Cluster in Culture Cells

Shinichi Sato, Yasuko Terada, Naoto Yagi, Hiroyuki Nakamura

2020 Volume 8 Issue 2 Pages 287-290
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.287

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Structural Chemistry of Oxygen-Tolerant Hydrogenase

Koji Nishikawa

2020 Volume 8 Issue 2 Pages 291-294
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.291

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Analysis of Transparency of Silicon Carbide Monofilaments at Infrared Region and Evaluation of Their Properties

Masaki Narisawa, Yasufumi Hibi, Yuka Ikemoto, Kenji Suzuki

2020 Volume 8 Issue 2 Pages 295-298
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.295

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Development of Light-Weight X-ray Mirror with High-Angular Resolution for X-ray Astronomy

Shuntaro Ide, Hironori Matumoto, Tomokage Yoneyama, Kazunori Asakura, ...

2020 Volume 8 Issue 2 Pages 299-302
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.299

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Synchrotron Radiation X-ray Fluorescence Analysis of Excavated Amber for Provenance Study

Naomi Ueda, Sadao Honda, Takashi Hashimoto, Yoshinori Nishiwaki, Shinj ...

2020 Volume 8 Issue 2 Pages 303-306
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.303

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Attempt at Elucidation of Anatomy of the Mesozoic Mammal Skeleton from Japan by the Refraction X-ray Imaging Technique

Kazunori Miyata

2020 Volume 8 Issue 2 Pages 307-312
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.307

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Influence of Oxygen at the Active Site in [NiFe] Hydrogenase

Koji Nishikawa

2020 Volume 8 Issue 2 Pages 313-316
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.313

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Crystallization and Preliminary X-ray diffraction Analysis of the Anammox Copper Nitrite Reductase

Naoki Nakagawa, Masaki Nojiri

2020 Volume 8 Issue 2 Pages 317-320
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.317

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X-ray Crystallographic Analysis of the Mitochondrial AAA-ATPase Msp1

Shunsuke Matsumoto

2020 Volume 8 Issue 2 Pages 321-323
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.321

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Structural Analyses and Photoelectrochemical Properties of Niobium Oxides Amorphous Film with O/Nb = 2.5, 2.6, and 2.7

Go Sajiki, Takashi Inoue, Hiroshi Okano, Tomoyuki Koganezawa, Koji Oha ...

2020 Volume 8 Issue 2 Pages 324-328
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.324

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Analysis of Chemical Bonding Structure on Amorphous Carbon Nitride Thin Films under Visible Light Illumination Using Synchrotron Radiation Infrared Rays

Masami Aono, Hiroaki Kishimura

2020 Volume 8 Issue 2 Pages 329-332
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.329

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Domain Structure Analysis of High Frequency MnZn Ferrite

Tatsuya Chiba, Kenichi Murai, Shouta Misumi, Takuo Okouchi, Tetsuya Na ...

2020 Volume 8 Issue 2 Pages 333-336
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.333

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Section B

Rapid Alloying Reaction at the Clean Interface between Si and Li

Kimihiko Ito, Yoshimi Kubo, Hideki Yoshikawa, Osami Sakata

2020 Volume 8 Issue 2 Pages 337-340
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.337

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Quantitative Analysis of Phase Separation Structure and Mechanical Properties of Acrylics Copolymer/ Epoxy Thermo Setting Resin Compositions

Isao Ichikawa, Kaisuke Yanagimoto

2020 Volume 8 Issue 2 Pages 341-345
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.341

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Strain Analysis of Silicon Surface Layer by Highly-parallel-X-ray Diffraction

Tomoyuki Horikawa, Takeshi Senda, Hiroyuki Fujimori, Yoshiyuki Tsusaka ...

2020 Volume 8 Issue 2 Pages 346-349
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.346

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Improvement of Sulfur K-edge X-ray Absorption Fine Structure for Sulfur Structure Analysis in Soft Materials

Fusae Kaneko, Hiroyuki Kishimoto, Yusuke Tamenori

2020 Volume 8 Issue 2 Pages 350-353
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.350

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Effect of Glucose Addition on Curdlan Gels

Yoshiaki Yuguchi, Yusuke Matsuyama, Manabu Nakachi, Masashi Ogasawara

2020 Volume 8 Issue 2 Pages 354-356
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.354

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Structural Analysis of Bulk Heterojunction Thin Films by Grazing Incident X-ray Diffraction Measurements

Eiji Takahashi, Yousuke Azuma, Shogo Suehiro

2020 Volume 8 Issue 2 Pages 357-360
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.357

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Studies of Memory Effects at the Temperature Much Higher than Melting Point and Melt Structures in Isotactic Polypropylene（Ⅲ）

Hiroyuki Imura, Tomoyoshi Yamashita

2020 Volume 8 Issue 2 Pages 361-367
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.361

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Studies of Memory Effects at the Temperature Much Higher than Melting Point and Melt Structures in Isotactic Polypropylene（Ⅳ）.

Tomoyoshi Yamashita

2020 Volume 8 Issue 2 Pages 368-374
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.368

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Evaluation of Sulfur Distribution in Bleached Human Hair using Soft X-ray Microspectroscopy

Kazuyuki Suzuta, Kosuke Watanabe, Len Ito

2020 Volume 8 Issue 2 Pages 375-378
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.375

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Analysis on Crystal Structure for High-proton Conducting Material Ba-Zr-Y-O System

Yuji Zenitani, Shunsuke Kito, Kento Sugawara, Hiroshi Sawa

2020 Volume 8 Issue 2 Pages 379-383
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.379

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Evaluation of Sulfur Distribution in Human Black Hair using Soft X-ray Microspectroscopy

Kazuyuki Suzuta, Sho Kobayashi, Takaaki Maeda, Kosuke Watanabe, Len It ...

2020 Volume 8 Issue 2 Pages 384-387
Published: August 21, 2020
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.8.2.384

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