NOMURA Masaharu

J-GLOBAL         Last updated: Apr 23, 2019 at 11:36
NOMURA Masaharu
High Energy Accelerator Research Organization
Institute of Materials Structure Science
Job title
Professor emeritus
Doctor of Science(Univ. of Tokyo)

Research Areas


Academic & Professional Experience

Apr 2018
professor emeritus, High Energy Accelerator Research Organization
Apr 2012
Mar 2018
exective director, High Energy Accelerator Research Organization
Dec 1999
Mar 2012
Professor, High Energy Accelerator Research Organization
Apr 1997
Nov 1999
Associate Professor, High Energy Accelerator Research Organization
Sep 1989
Mar 1997
Associate Professor, Photon Factory, National Laboratory for High Energy Physics


Graduate School, Division of Science, The University of Tokyo
Faculty of Science, Shizuoka University

Committee Memberships

International XAFS Society  member of Exective board

Published Papers

Hitoshi Abe, Takeshi Nakayama, Yasuhiro Niwa, Hiroaki Nitani, Hiroshi Kondoh, Masaharu Nomura
Japanese Journal of Applied Physics   55(6) 062401-1-062401-4   Jun 2016   [Refereed]
? 2016 The Japan Society of Applied Physics. We have developed a promising surface-sensitive X-ray absorption fine structure (XAFS) measurement method. This method is based on total reflection detection and Kramers-Kronig relations, and has been n...
Hiroyo Segawa, Satoru Inoue, Kenji Watanabe, Ryutaro Ohashi, Hiroaki Nitani, Masaharu Nomura
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   123 793-799   Jan 2015
? 2015 The Ceramic Society of Japan. Photosensitive TiO < inf > 2 < /inf > gel films containing β-diketones and monomers with unsaturated hydrocarbons exhibit photosensitivity and can be patterned by photolithography. Photosensitive TiO < inf > 2...
Hiromitsu Uehara, Yohei Uemura, Takafumi Ogawa, Kentaro Kono, Ryoichi Ueno, Yasuhiro Niwa, Hiroaki Nitani, Hitoshi Abe, Satoru Takakusagi, Masaharu Nomura, Yasuhiro Iwasawa, Kiyotaka Asakura
Physical Chemistry Chemical Physics   16 13748-13754   Jul 2014
We measured the in situ polarization-dependent X-ray absorption fine structure of platinum nanoparticles (PtNPs) deposited on a flat highly oriented pyrolytic graphite (HOPG) substrate under electrochemical conditions using a back-side illuminatio...
Hitoshi Abe, Yasuhiro Niwa, Hiroaki Nitani, Masaharu Nomura
Journal of Physics: Conference Series   502    Jan 2014
Total reflection XAFS spectra are obtained combining with dispersive XAFS (DXAFS) configuration. A total reflection DXAFS spectrum of 30 nm Co layer on Si substrate was measured in 4 ms. Kramers-Kronig analysis was applied to extract XAFS signal f...
Yoshihiro Okamoto, Masami Nakada, Mitsuo Akabori, Satoshi Komamine, Toshiki Fukui, Eiji Ochi, Hiroaki Nitani, Masaharu Nomura
Electrochemistry   81 543-546   Jul 2013
The molten state of simulated high-level waste glass and the behavior of ruthenium element in the melt were investigated by using synchrotron radiation based X-ray imaging technique. Melting, generating and moving of bubbles, condensation and sedi...
Masao Kimura, Yohei Uemura, Toru Takayama, Reiko Murao, Kiyotaka Asakura, Masaharu Nomura
Journal of Physics: Conference Series   430    May 2013
In situ QXAFS studies of the reduction of α-Fe2O 3 and CaFe2O4 were conducted to determine their reduction kinetics and mechanisms. The reduction of α-Fe 2O3 involved two steps, the first being a very fast process in which Fe3+ was reduced to Fe2+...
N. Igarashi, N. Shimizu, A. Koyama, T. Mori, H. Ohta, Y. Niwa, H. Nitani, H. Abe, M. Nomura, T. Shioya, K. Tsuchiya, K. Ito
Journal of Physics: Conference Series   425    Apr 2013
Here we describe a new undulator beamline at the BL-15 site of the PF-ring. This new beamline has a short gap undulator which produces high brilliance X-rays ranging from 2.1 keV to 15 keV. The windowless beamline design promises softer X-ray expe...
Masao Kimura, Masao Kimura, Yasuhiro Niwa, Kenichi Uemura, Kenichi Uemura, Toru Nagai, Toru Nagai, Yasuhiro Inada, Yasuhiro Inada, Masaharu Nomura
Materials Transactions   54 246-254   Feb 2013
We have succeeded in in situ and simultaneously observing the redox reaction of palladium and the oxygen storage/release process in a newly developed palladium-promoted SrFeO (Pd/SrFeO) catalyst during redox-gas cycles using dispersive X-ray absor...
Wang Jae Chun, Kotaro Miyazaki, Naoki Watanabe, Yuichiro Koike, Satoru Takakusagi, Keisuke Fujikawa, Masaharu Nomura, Yasuhiro Iwasawa, Kiyotaka Asakura
Journal of Physical Chemistry C   117 252-257   Jan 2013
The structure of Au clusters on the TiO2(110) surface and the cluster-substrate interaction were investigated by polarization-dependent total reflection fluorescence X-ray absorption fine structure (PTRF-XAFS). The TiO2(110) (1 × 1) and (1 × 2) su...
Velaga Srihari, V. Sridharan, Masaharu Nomura, V. Sankara Sastry, C. S. Sundar
Journal of Synchrotron Radiation   19 541-546   Jul 2012
Cd K-edge extended X-ray absorption fine-structure spectroscopic studies were carried out on Cd 1-xCa xO (0?x?0.9) solid solutions and the first and second nearest neighbour (NN) distances and their mean square relative displacement sigma; 2 were ...
Yoshihiro Okamoto, Masami Nakada, Mitsuo Akabori, Hideaki Shiwaku, Satoshi Komamine, Toshiki Fukui, Eiji Ochi, Hiroaki Nitani, Masaharu Nomura
Transactions of the Atomic Energy Society of Japan   11(2) 127-132   Jun 2012
The distribution and chemical state of the Ru element in the simulated high-level waste glass were examined by using the synchrotron radiation-based X-ray imaging technique. An X-ray CCD camera instead of an ion chamber was used to determine the t...
Yohei Uemura, Yohei Uemura, Yasuhiro Inada, Yasuhiro Niwa, Masao Kimura, Kyoko K. Bando, Akira Yagishita, Yasuhiro Iwasawa, Masaharu Nomura
Physical Chemistry Chemical Physics   14 2152-2158   Feb 2012
Formation and oxidation processes of PdZn nanoparticles on ZnO were successfully observed by means of in situ time-resolved X-ray absorption fine structure spectroscopy (XAFS), and the analysis of data on near-edge (XANES) and extended (EXAFS) str...
Kyoko K. Bando, Takahiro Wada, Takeshi Miyamoto, Kotaro Miyazaki, Satoru Takakusagi, Yuichiro Koike, Yasuhiro Inada, Masaharu Nomura, Aritomo Yamaguchi, Travis Gott, S. Ted Oyama, S. Ted Oyama, Kiyotaka Asakura
Journal of Catalysis   286 165-171   Feb 2012
Supported Ni 2P catalysts are active for hydrodesulfurization (HDS) of petroleum feedstocks and have attracted considerable attention. In order to find out the structure of the active catalyst and to obtain insight into the reaction mechanism of t...
Ohta Atsuyuki, Kagi Hiroyuki, Tsuno Hiroshi, Nomura Masaharu, Okai Takashi
GEOCHEMICAL JOURNAL   46(5) 409-420   2012   [Refereed]
Wang Jae Chun, Kotaro Miyazaki, Naoki Watanabe, Yuichiro Koike, Satoru Takakusagi, Keisuke Fujikawa, Masaharu Nomura, Kiyotaka Asakura
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   119 890-893   Nov 2011
The bonding features and three dimensional structures of metal clusters on single crystal oxide surfaces can be determined by the polarization dependent total reflection fluorescence XAFS (PTRF-XAFS) method. K-edge XAFS has a cos2θ polarizationdep...
Y. Uemura, Y. Inada, K. K. Bando, T. Sasaki, N. Kamiuchi, K. Eguchi, A. Yagishita, M. Nomura, M. Tada, Y. Iwasawa
Physical Chemistry Chemical Physics   13 15833-15844   Sep 2011
The dynamic behavior and kinetics of the structural transformation of supported bimetallic nanoparticle catalysts with synergistic functions in the oxidation process are fundamental issues to understand their unique catalytic properties as well as...
Kyoko K. Bando, Yuichiro Koike, Toshihide Kawai, Gosuke Tateno, S. Ted Oyama, S. Ted Oyama, Yasuhiro Inada, Masaharu Nomura, Kiyotaka Asakura
Journal of Physical Chemistry C   115 7466-7471   Apr 2011
Ni2P/K-USY (K-promoted ultrastable Y-type zeolite) is an efficient catalyst for hydrotreatment of petroleum feedstocks. The structural changes of the passivated catalyst during activation were followed by quick XAFS (X-ray absorption fine structur...
197. A. Ohta, H. Kagi, H. Tsuno, M. Nomura, T. Okai and N. Yanagisawa
Bull. Geo. Survey Jpn.   62(9/10) 347-355   2011   [Refereed]
Violet Diacomanolis, Jack C. Ng, Ross Sadler, Masaharu Nomura, Barry N. Noller, Hugh H. Harris
Chemical Research in Toxicology   23(11) 1647-1649   Nov 2010   [Refereed]
X-ray absorption spectroscopy of frozen intact tissues shows that in rats exposed to a range of treatments involving cadmium, alone or in combination with other metal ions, the coordination environment of cadmium is consistent in both the liver an...
Yohei Uemura, Yasuhiro Inada, Kyoko K. Bando, Takehiko Sasaki, Naoto Kamiuchi, Koichi Eguchi, Akira Yagishita, Masaharu Nomura, Mizuki Tada, Yasuhiro Iwasawa
Journal of Physical Chemistry C   115 5823-5833   Apr 2011
Unique catalytic capabilities of supported bimetallic nanoparticles with synergistic functions mark them as a significant advancement in catalytic technologies. The dynamic behavior and kinetics of structural change of catalysts in the reduction a...


Radiation control of synchrotron radiation facilities
NOMURA Masaharu
Houshakou   32(2) 122-125   Apr 2019
NOMURA Masaharu
放射光   25(4) 238-243   Jul 2012
DOHMAE Kazuhiko, NAGAI Yasutaka, TANABE Toshitaka, SUZUKI Akane, INADA Yasuhiro, NOMURA Masahiro, SHINJOH Hirofumi
Catalyst   52(2)    Mar 2010
TADA Mizuki, UEMURA Yohei, SASAKI Takehiko, BAL Rajaram, INADA Yasuhiro, NOMURA Masaharu, IWASAWA Yasuhiro
Catalysts & Catalysis   49(6) 406-408   Sep 2007
INADA Yasuhiro, NIWA Yasuhiro, NOMURA Masaharu
放射光   20(4) 242-249   Jul 2007   [Refereed]
TADA Mizuki, MURATA Shigeaki, ASAOKA Takahiko, HIROSHIMA Kazutaka, OKUMURA Kazu, TANIDA Hajime, URUGA Tomoya, INADA Yasuhiro, NOMURA Masaharu, NAKANISHI Haruyuki, MATSUMOTO Shin-ichi, IWASAWA Yasuhiro
触媒 = Catalysts & Catalysis   49(2) 93-95   Mar 2007
URUGA Tomoya, NOMURA Masaharu
放射光   19(4) 248-257   Jul 2006
KOIKE Yuichiro, IJIMA Kaoru, ASHIMA Hidenori, FUJIKAWA Keisuke, SUZUKI Sushi, NOMURA Masaharu, IWASAWA Yasuhiro, CHUN Wang-Jae, ASAKURA Kiyotaka
Hyomen Kagaku   27(7) 414-419   Jul 2006
We developed a UHV-Polarization dependent Total-Reflection Fluorescence Extended X-ray Absorption Fine Structure System (UHV-PTRF-EXAFS System), which enables us to prepare a clean and well-defined oxide single crystal surface. We have determined ...
Real time studies of catalytic reactions by DXAFS
SUZUKI Akane, NIWA Yasuhiro, INADA Yasuhiro, NOMURA Masaharu
19(3) 178-185   2006   [Refereed]
Catalysts & Catalysis   47(5) 316-321   Aug 2005

Books etc

XAFS Technique for catalysts, nanoparticles and surfaces
NOMURA Masaharu (Part:Contributor, Section 3.4 Measurements and detectors)
Springer   Jan 2017   
Measuremnt of XAFS Instrumentation in "X-ray Absorption Fine Structure for Catalysts and Surtaces" (jointly worked)
World Scientitic Publishing Co.Pte.Ltd   1996   
X-ray absorption fine structure for catalysts and surfaces
NOMURA Masaharu (Part:Contributor, 5.1 Instrumentation)
World Scientific   1996   

Conference Activities & Talks

NOMURA Masaharu
Meeting abstracts of the Physical Society of Japan   3 Sep 2001   


Stabilization of detection system for XAFS expereiments
NOMURA Masaharu   The Others   

Research Grants & Projects

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))
Project Year: 2004 - 2007    Investigator(s): Masaharu NOMURA
The purpose of this research is to establish the time-resolved XAFS technique with the time resolution ofthe order of sub-nano second in order to perform the structure and electronic-state analyses of the short-lived metal species generated in the...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 1999 - 2000    Investigator(s): Masaharu NOMURA
A compact mirror bender and a mirror, which can be installed in a dispersive XAFS experimental system, were developed. The mirror system is used to focus the beam vertically and reduce the higher order content. Triangular polychomator crystals and...
Stabilization of detectors for XAFS experiment
Development of new XAFS experimatal methods
Structure Analysis of environmentol Pollutant