SPring-8/SACLA Research Report

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Issue 2 Pages 104-
Issue 1 Pages 1-

Volume 7, Issue 2

SPring-8 Document D2019-011

Displaying 1-50 of 59 articles from this issue

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Section A

Effect of Film Thickness on Induction Time of Isothermal Crystallization from the Melt of Poly(3-hydroxybutyrate) Investigated by Time-resolved Grazing-incidence X-ray Scattering Measurements Using Synchrotron Radiation

Sono Sasaki, Akiyoshi Yasuda, Hiroyasu Masunaga, Noboru Ohta, Shinichi ...

2019 Volume 7 Issue 2 Pages 104-109
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.104

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Isothermal crystallization behaviors from the melt have been investigated for poly (3-hydroxybutyrate) (P3HB) thin films by time-resolved measurements of grazing-incidence X-ray scattering using synchrotron radiation. P3HB films with thicknesses of ca. 25 nm ~ 3.2 μm prepared on silicon substrates were cooled rapidly from the melt to a crystallization temperature, Tc, of 373 K by using a temperature-jump (T-jump) apparatus. Isothermal crystallization behaviors of P3HB in thin films were traced by simultaneous measurements of grazing-incidence wide-angle X-ray scattering (GIWAXS) and small-angle X-ray scattering (GISAXS). It was experimentally found for the first time that the induction time of crystallization became longer with reducing the film thickness. This indicated that the chain mobility necessary for nucleation at 373 K was reduced in thin films. It was also indicated that lamellar crystals having the edge-on type orientation to the substrate surface were preferentially formed at the beginning of crystallization. Those lamellae in the thin films might be stacked one another with amorphous chains in a disordered manner.

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Density Fluctuations of Liquid Se_50-Te₅₀Mixture at Continuous Liquid-Liquid Phase Transition Observed by Monochromatic X-ray

Yukio Kajihara, Masanori Inui, Koji Ohara

2019 Volume 7 Issue 2 Pages 110-113
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.110

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Microdiffraction Analysis on Anisotropic Local Strain Structures of GeSn Hetero-Epitaxial Layers Grown on Ge(110) Substrates

Osamu Nakatsuka, Takanori Asano, Shigeaki Zaima

2019 Volume 7 Issue 2 Pages 114-116
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.114

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Structural Study of Water under Pressure at High Temperature

Yoshinori Katayama, Oscar Yagafarov, Hiroyuki Saitoh

2019 Volume 7 Issue 2 Pages 117-119
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.117

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Structural Change of Cardiac Troponin Induced by Contracting Crossbridges

Maki Yamaguchi, Masako Kimura, Tetsuo Ohno, Nobutake Akiyama, Naoya Na ...

2019 Volume 7 Issue 2 Pages 120-124
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.120

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Structural Studies of Orotate Phosphoribosyl Transferase (TTHA1742) from Hyperthermophilic Thermus thermophilus HB8

Nachiappan Mutharasappan, Jeyakanthan Jeyaraman

2019 Volume 7 Issue 2 Pages 125-129
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.125

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The enzyme orotate phosphoribosyl transferase (OPRTase) is involved in the de novo pyrimidine nucleotide biosynthesis; it is a good target for antimicrobial agents. Also, some of the cancerous cells are known to depend on de novo pathway, this enzyme could be a potential drug target for cancer therapy. Orotate phosphoribosyl transferase is an important enzyme, which converts orotate to orotate monophosphate in the fifth step of pyrimidine biosynthesis. As the enzyme is from a hyperthermophile it is known to be stable at high temperatures and can be used as a model organism. Based on the importance of the enzyme, OPRTase from the extreme thermophile, Thermus thermophilus HB8 has been cloned, purified by ion exchange and size exclusion chromatography (SEC). Very tiny crystals appeared in the condition 0.2 M calcium acetate hydrate, 0.1 M sodium cacodylate trihydrate pH 6.5 and 18% w/v polyethylene glycol 8,000.

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XPCS Study of Silica Nano-particles in Glycerol

W.-R. Chen, C.-W. Do, Y. Shinohara, T. Egami

2019 Volume 7 Issue 2 Pages 130-131
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.130

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The rheology of suspensions of colloidal particles plays a critical role in many technological applications where it is essential to control the flow properties by tuning the shear viscosity. Theoretical calculations showed that introducing porosity into colloids gives an additional degree of freedom to tune their hydrodynamic properties. The goal of this project is to carry out an x-ray photon correlation spectroscopy (XPCS) study on such nano-particles to verify these theories, using nanoparticles of precisely controlled size and porosity which became available recently. To distinguish between prevailing theories we need to reach the high q plateau of the hydrodynamic function, where q denotes the momentum transfer in scattering.

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Study on Provenance of Deteriorated Amber Excavated from the Sites using Synchrotron FT-IR Microspectroscopy

Naomi Ueda, Takashi Yamada, Kozo Kawamoto

2019 Volume 7 Issue 2 Pages 132-136
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.132

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Infrared Microspectroscopy of Phenyl-Modified Organosilicon Nanosheets by Electrochemical Reaction Cell

Yuka Ikemoto, Hideyuki Nakano

2019 Volume 7 Issue 2 Pages 137-140
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.137

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Real-space X-ray Imaging of Biomolecules Using DNA-Origami

Hiroyuki Iwamoto, Ken'ya Furuta, Kazuhiro Oiwa

2019 Volume 7 Issue 2 Pages 141-144
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.141

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Development of X-ray Absorption Spectroscopy Equipment for High Pressure Studies

Tetsu Watanuki, Akihiko Machida

2019 Volume 7 Issue 2 Pages 145-147
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.145

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Structure Analysis of Nanowires on Pt/Ge(001)

Shinichiro Hatta, Koichiro Yaji, Tetsuya Aruga

2019 Volume 7 Issue 2 Pages 148-151
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.148

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XPCS Study of PMMA/Polystyrene Immersed in Cis-Decalin

W.-R. Chen, C.-W. Do, Y. Shinohara, T. Egami

2019 Volume 7 Issue 2 Pages 152-153
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.152

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Rheology of colloidal suspensions is of considerable interest for scientific as well as technological reasons. The nature of interparticle interactions determines the colloidal structure and hence the flow behavior of suspensions. There has been much interest in controlling the colloidal rheology through altering the interparticle forces. By introducing smaller particles into a suspension of large colloidal particles, the pressure of the small particles produces an additional attractive force between the colloids. This is referred to as the depletion force. [1] Existing experimental studies have demonstrated the profound influence of depletion forces on the deformation behavior of colloidal suspensions. [2] The goal of this project is to carry out an x-ray photon correlation spectroscopy (XPCS) study to understand the dynamical perspective of this phenomenon.

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Analyses on Behaviors of Ionomer-model Electrolytes on Metal Electrodes

Ichizo Yagi, Masaru Kato, Hideo Notsu, Kazuhisa Tamura

2019 Volume 7 Issue 2 Pages 154-157
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.154

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Pressure-induced Formation of Intermediate-valence Crystalline Approximant of a Au–Sn–Eu Alloy

Tetsu Watanuki, Akihiko Machida

2019 Volume 7 Issue 2 Pages 158-160
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.158

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Development of a Contactless Sample Hold System Using a Modulated Single-Beam Optical Trap

Yoshimitsu Fukuyama, Nobuhiro Yasuda, Shigeru Kimura

2019 Volume 7 Issue 2 Pages 161-163
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.161

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Structural Analysis and Electrocatalytic Performances of Spinel Ferrite Nanoparticles Immobilized on Reduced Graphene Oxide

Yu Horiuchi, Masaya Matsuoka

2019 Volume 7 Issue 2 Pages 164-167
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.164

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Synchrotron Radiation Fourier Transform Infrared Spectrometer(FTIR) Microscopy Analysis of Inks of Ballpoint Pens and Rollerball Pens for Criminal Investigation

Sadao Honda, Takashi Hashimoto, Taro Moriwaki, Yuka Ikemoto, Toyohiko ...

2019 Volume 7 Issue 2 Pages 168-171
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.168

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Analysis of Intramolecular Electron Transfer on the Redox Enzymes: Structural Basis for Origin of the Geometrical Constrain for the Metal Centers

Masaki Nojiri

2019 Volume 7 Issue 2 Pages 172-176
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.172

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Influence of Acoustic Streaming Induced by Ultrasonic Vibration on Solidification Microstructure in Al-Cu Alloys

Tomoya Nagira, Hideyuki Yasuda, Noriaki Nakatsuka, Akihisa Takeuchi

2019 Volume 7 Issue 2 Pages 177-180
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.177

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Characterization of Electronic States of Dopant Atoms in Si Nanowires and Ge/Si Core-Shell Nanowires by Infrared Synchrotron Radiation Beam

Naoki Fukata, Yuka Ikemoto, Taro Moriwaki

2019 Volume 7 Issue 2 Pages 181-183
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.181

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Synchrotron Radiation Fourier Transform Infrared Spectrometer(FTIR) Microscopy Analysis of GSR(Gunshot Residue) for Criminal Investigation

Sadao Honda, Takashi Hashimoto, Yoshinori Nishiwaki, Shinjiro Hayakawa ...

2019 Volume 7 Issue 2 Pages 184-187
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.184

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Structure Analysis and Investigation of Substitution Effect on Thermoelectric Properties for Al-based 1/1-Cubic Approximants

Takahiro Ishigami, Kaoru Kimura

2019 Volume 7 Issue 2 Pages 188-191
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.188

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Exploration of Charge Excitations from Charge-Ordered States Using Resonant Inelastic X-ray Scattering

Kenji Ishii, Kazuhiko Ikeuchi, Shuichi Wakimoto, Masaki Fujita, Tomohi ...

2019 Volume 7 Issue 2 Pages 192-196
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.192

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Structure and Functional Insights for the Thermus Copper Nitrite Reductase

Ryohei Yoneda, Kazuya Horibe, Masaki Nojiri

2019 Volume 7 Issue 2 Pages 197-200
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.197

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A Role of Ala219 on the Substrate Specificity of CTX-M Type β-Lactamase

Keizo Yamamoto

2019 Volume 7 Issue 2 Pages 201-205
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.201

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Observation of Spin-State Transition of LaCoO₃ by Using High-Resolution Co 2p Resonant Inelastic X-ray Scattering

Yukihiro Taguchi, Kengo Kashiwagi, Shuichi Kawamata, Jun Miyawaki, Yos ...

2019 Volume 7 Issue 2 Pages 206-208
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.206

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Analysis on Local Structure around In Atoms in Al_0.82In_0.18N Alloy by X-ray Absorption Fine Structure Measurements

Takao Miyajima, Ryoma Seiki, Daisuke Komori, Toshiaki Ina, Kazuki Ikey ...

2019 Volume 7 Issue 2 Pages 209-211
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.209

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Direct Observation of Ferromagnetic Clusters by Local Distortion in a Paramagnetic Material CaRuO₃

T. D. Yamamoto, K. Toda, I. Terasaki

2019 Volume 7 Issue 2 Pages 212-215
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.212

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Wood Identification of a Japanese Deity Statue of the Philadelphia Museum of Art

Suyako Tazuru, Mechtild Mertz, Takao Itoh, Junji Sugiyama

2019 Volume 7 Issue 2 Pages 216-218
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.216

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Section B

Strain Assessment of Sm123 Coated Superconductor Composite Tapes under Tensile Load Utilizing

Hiroshi Okuda, Shojiro Ochiai, Shinji Nagano, Noriyuki Fujii, Tomoyuki ...

2019 Volume 7 Issue 2 Pages 219-222
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.219

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Analysis of Hierarchical Structures of Anion Conducting Membranes for the Commercialization of Pt-free Liquid Fuel Cell Vehicles

Yasunari Maekawa, Kimio Yoshimura, Tap Tran Duy, Shin Hasegawa, Shin-i ...

2019 Volume 7 Issue 2 Pages 223-225
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.223

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Development of In-situ Measurement Technique of Stress at Interface of Iron Oxide Scale during Phase Transformation by X-ray Diffraction with Constant Penetration Depth sin²Ψ Method using One Dimensional Detector

Masugu Sato, Takashi Doi, Nobuo Otsuka, Yasuyoshi Hidaka, Yasuto Higas ...

2019 Volume 7 Issue 2 Pages 226-229
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.226

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

Eiji Takahashi, Yousuke Azuma, Shogo Suehiro

2019 Volume 7 Issue 2 Pages 230-233
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.230

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Real-Time Observation of In Segregation During InGaAs Growth on GaAs(001) by X-ray Diffraction

Hidetoshi Suzuki, Takuo Sasaki, Masamitsu Takahashi, Yoshio Ohshita

2019 Volume 7 Issue 2 Pages 234-237
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.234

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Analysis on Organic Thin-Layer Photovoltaic Cells by Hard X-ray Photoelectron Spectroscopy

Kaoru Okamoto, Yoshimi Abe

2019 Volume 7 Issue 2 Pages 238-241
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.238

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Development of Cosmetic Cleanser Based Upon Analysis of Structural Alternation of Human Stratum Corneum by Surfactant Applications

Kaori Yanase, Ichiro Hatta

2019 Volume 7 Issue 2 Pages 242-244
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.242

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Study on Density Fluctuation Generated during Polymerization in Polymethacrylic Resin

Katsuhiro Yamamoto, Kazunori Mukunoki

2019 Volume 7 Issue 2 Pages 245-249
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.245

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In-Situ Analysis of Property at Carburizing from Oxidized High Purity Fe Foil with X-ray Diffraction Imag

Soichiro Okubo, Junji Iihara, Shigeaki Uemura, Takeshi Hikata, Daisuke ...

2019 Volume 7 Issue 2 Pages 250-253
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.250

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Structural Analysis on Hydrated Wheat Protein Assembly by Ultra-Small-Angle X-ray Scattering

Nobuhiro Sato, Reiko Urade, Masaaki Sugiyama

2019 Volume 7 Issue 2 Pages 254-256
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.254

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Analysis of Precious Metals (Rh,Pd) States under Atmosphere Switching Conditions by EXAFS Measurement

Satoshi Matsueda, Yuji Matsuhisa, Tetsuhiro Hirao

2019 Volume 7 Issue 2 Pages 257-260
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.257

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　自動車用排ガス浄化触媒の課題として、貴金属凝集抑制による性能向上及び貴金属使用量低減が要求されている。現在研究中の新規 Rh 担持法触媒(以下、新規法)は、従来 Rh 担持法触媒(以下、従来法)に対し、Rh 凝集の抑制とより低温からの活性向上効果を見出した。
　今回、この要因を探るため、EXAFSによる Rh 状態解析を行った結果、新規法では還元雰囲気下において低温から速やかに Rh-O が Rh-Rh に変化する事が確認された。一方、劣化抑制では、酸化雰囲気中に生成する「Rh-O-Nd」の影響が大きい事が推定された。また、XANESの結果では、従来法の Rh 吸収端に対して高エネルギー側にシフトしていることから、新規担持方法を適応する事で Nd₂O₃ の再配分が促進され、Rh に対して Nd₂O₃ の接触頻度が適度に高まり劣化抑制と低温活性が高いレベルで両立したものと推察した。

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Effect of Cu on Formation of Al₂O₃ Scale on Austenitic Stainless Steel

Shigenari Hayashi, Suzue Yoneda, Isao Saeki, Mitsutoshi Ueda, Norifumi ...

2019 Volume 7 Issue 2 Pages 261-264
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.261

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In-situ Measurement of the Dislocation Density during Tensile Deformation for Commercially Pure Aluminum Alloys and Its Change by the Additional Element

Hiroki Adachi, Masahide Okada, Hidetaka Nakanishi, Sho Tamaru

2019 Volume 7 Issue 2 Pages 265-268
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.265

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Magnetic Analysis for Pt/Y₃Fe₅O₁₂ Probed by X-ray Magnetic Circular Dichroism

Hiroshi Nozaki, Yasushi Kouno, Masashi Harada, Satoshi Yamaguchi, Akih ...

2019 Volume 7 Issue 2 Pages 269-271
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.269

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Evaluation of the Grain Size for Heat-stretched Block-copolymer with Ultra-small Sngle X-ray Scattering

Naoki Sasagawa, Shinichi Sakurai

2019 Volume 7 Issue 2 Pages 272-276
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.272

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The Effects of Moisturizer Application on Structural Changes of Human Stratum Corneum

Takeshi Yamada, Akari Habuka, Tomokazu Inaoka, Yoshiro Miyamoto, Ichir ...

2019 Volume 7 Issue 2 Pages 277-282
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.277

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The Depth Direction Structural Analysis of Human Stratum Corneum Using Microbeam X-ray Scattering: Part II

Takuji Kume, Makoto Onoo, Toshihiro Tamura, Naoto Yagi, Ichiro Hatta

2019 Volume 7 Issue 2 Pages 283-286
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.283

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Effects of Thermal History and Monoglyceride on the Distribution of Ceramide Molecules Dispersed into Adhesive Rubber Sheet

Hiroshi Takahashi, Ryota Watanabe, Kenichi Nishimura, Taro Moriwaki

2019 Volume 7 Issue 2 Pages 287-291
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.287

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Analysis on Internal Residual Stress of Thermal Barrier Coating using High Energy X-Ray

Masahiro Negami, Shinya Hibino, Shuichi Mizuma, Hiroyuki Kuromatsu, Hi ...

2019 Volume 7 Issue 2 Pages 292-296
Published: August 29, 2019
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DOIhttps://doi.org/10.18957/rr.7.2.292

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Structural Analysis of Coating Film on Human Skin using Microbeam X-ray Scattering

Takuji Kume, Hiroshi Suzuki, Toshihiro Tamura, Ichiro Hatta

2019 Volume 7 Issue 2 Pages 297-300
Published: August 29, 2019
Released on J-STAGE: January 15, 2021

DOIhttps://doi.org/10.18957/rr.7.2.297

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