Research Frontiers 2024 Research Frontiers 2024 119 SPring-8 calls for public use proposals twice a year, in principle. Since 2022B term, nine public beamlines started to invite proposals six times annually, including the beamlines previously intended for industrial application. The submitted proposals are reviewed by the SPring-8 Proposal Review Committee (SPring-8 PRC). Since 1997, SPring-8 has accepted a variety of proposals. For the promotion of research on industrial applications at SPring-8, currently, Industrial Application Proposals account for approximately 16%–20% of the total number of proposals conducted at various public beamlines. There always exist those companies and research institutes that find it difficult to retain specialized staff and to accommodate the need for quick access to SPring-8. To appropriately respond to this circumstance, the SPring-8 Measurement Service is provided. In this framework of service, JASRI staff members perform measurements on behalf of users. It is up to the users whether to come to SPring-8 and be present during the measurements or to simply send their samples to SPring-8. BL28XU has been added to the Measurement Service BL from 2022B. Currently, JASRI has expanded the purview of the SPring-8 Measurement Service to five measurement methods (XAFS, Powder X-ray Diffraction, Small Angle X-ray Scattering, High energy X-ray CT, Hard X-ray Photoemission Spectroscopy). In addition, JASRI provides the Protein Crystallography Automatic Data Collection at Macromolecular Crystallography beamlines. Therefore, users can choose whether to come to SPring-8 and be present during the measurements or to simply send their samples to SPring-8. Since 2022A term, JASRI has started calling for Hour-based use at most public beamlines as part of proprietary time-designated proposals. According to this change, the Feasibility Study Proposals for Industrial Application has been integrated into this proposal program. SPring-8 is developing a remote-operation system that allows users to control experimental instruments from outside to promote remote access. The number of experiments conducted, and the number of user visits at the public and contract beamlines are summarized in Fig. 2. Part of the proposals are for proprietary use, for which refereed reports are not required. Figures 3 to 12 show the information on user programs. III. User Program and Statistics Fig. 2. Categories of proposals for the public beamlines. 1997 1998 97B Non- proprietary Research Proposals General Proposal (One-year Proposal Also Available: 02B~22A) (1 Public BL) (4 Public BLs) (7 Public BLs) (4 Public BLs) (One-year Proposal Also Available: 09B~22A) Renamed to Graduate Student Proposal (23A~) Urgent Proposal Long-Term Proposal Beamtime Reserved for Structual Biology Public BLs PX-BL Operation PX-BL Operation Long Term Graduate Student Proposal Budding Researchers Support Proposal Non-Proprietary Grant-Aided Proposal(~22B): Program Fee Charged General Proposal Time-designated Proposal Trial Use Trial-Use Industrial Application Proposal Nanotechnology Support Protain 3000 Protain 500 Proposal Strategy Proposal JASRI Proposal Power User Proposal Nanotechnology Support Proposal Strategic Use Industrial Application Proposal New Industial Area Proposal Proposal Industry Creation Proposal Cross-SR Facility Use Proposal for Industrial Application Green/Life Innovation Proposal SR Smart Innovation Social Interest Proposal Partner User Proposal SPring-8 Epoch-Making Initiatives Project Proposal Industrial Application Proposals Using Advanced Technology Medical Bio EX Medical Bio Trial-Use Proposal Proposal for Industry Measurement Service Non-Proprietary Priority Proposal (23A~) Renamed to Proprietary (Hour-based Use Also Available: 22A~) Feasibility Study Proposal for Industrial Application Proposal (22B~) Priority Research Proposals Proprietary Research Proposals Beamtime Beamtime Fee Charged Fee Charged 98A 99A 99B 00A 00B 01A 01B 02A 02B 03A 03B 04A 04B 05A 05B 06A 06B 07A 07B 08A 08B 09A 09B 10A 10B 11A 11B 12A 12B 13A 13B 14A 14B 15A 15B 16A 16B 17A 17B 18A 18B 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 19A 19B 20A 2019 21A 21B 2021 22A 22B 2022 23A 23B 2023 24A 24B 2024 25A 25B 2025 2020 Research Frontiers 2024 Research Frontiers 2024 120 Fig. 3. Numbers of conducted experiments. Fig. 4. Numbers of submitted proposals and approved proposals by research term (public beamlines). Fig. 5. Numbers of users by fiscal year. 0 1000 2000 3000 4000 5000 6000 Number of Users Fiscal Year 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 First time users Repeated users 0 300 600 900 1200 1500 Research Term 2017B 2017A 2016B 2018B 2018A 2019B 2019A 2020A 2021A 2021B 2022A 2022B 2023A 2023B 2024A 2024B 2016A 2015B 2015A 2014B 2014A 2013B 2013A 2012B 2012A 2011B 2011A 2010B 2010A 2009B 2009A 2008B 2008A 2007B 2007A 2006B 2006A 2005B 2005A 2004B 2004A 2003B 2003A 2002B 2002A 2001B 2001A 2000B 2000A 1999B 1999A 1998A 1997B Number of Proposals Contract Beamlines Public Beamlines 0 200 400 600 800 1000 1200 1400 1600 0 20 40 60 80 100 Number of Proposals Aproval Rate (%) Submitted Approved Approved/Submitted Research Term 1997B 1998A 1999A 1999B 2000A 2000B 2001A 2001B 2002A 2002B 2003A 2004A 2003B 2004B 2005A 2005B 2006A 2006B 2007A 2007B 2008A 2008B 2009A 2009B 2010A 2010B 2011A 2011B 2012A 2012B 2013A 2013B 2014A 2014B 2015A 2015B 2016A 2017A 2017B 2016B 2018A 2018B 2019A 2019B 2020A 2021A 2021B 2022A 2022B 2023A 2023B 2024A 2024B Research Frontiers 2024 Research Frontiers 2024 121 Users Research Term 2015A 2015B 2016A 2016B 2017A 2017B 2018A 2018B 2019A 2020A 2019B 2021B 2021A 2022B 2022A 2023B 2023A 2024B 2024A 0 1000 2000 3000 4000 5000 6000 7000 University Foreign National and Public Institute Private Sector 0 200 400 600 800 1000 1200 Number of Proposals Foreign Private Sector National and Public Institute University Research Term 2015A 2015B 2016A 2016B 2017A 2017B 2018A 2018B 2019A 2020A 2021A 2021B 2022A 2022B 2023A 2023B 2024A 2024B 2019B 0 1000 2000 3000 4000 Research Term 2015A 2015B 2016A 2016B 2017A 2017B 2018A 2018B 2019A 2020A 2021A 2021B 2022A 2022B 2023A 2023B 2024A 2024B 2019B University Foreign National and Public Institute Private Sector Users 0 100 200 300 400 Number of Proposals Foreign Private Sector National and Public Institute University Research Term 2015A 2015B 2016A 2016B 2017A 2017B 2018A 2018B 2019A 2020A 2019B 2021B 2021A 2022B 2022A 2023B 2023A 2024B 2024A Fig. 7. Numbers of users by affiliation categories (public beamlines). Fig. 9. Numbers of conducted proposals by affiliation categories (public beamlines). Fig. 8. Numbers of users by affiliation categories (contract beamlines). Fig. 10. Numbers of conducted proposals by affiliation categories (contract beamlines). Fig. 6. Numbers of users visits by research term. 0 2000 4000 6000 8000 10000 1997B 1998A 1999A 1999B 2000A 2000B 2001A 2001B 2002A 2002B 2003A 2003B 2004A 2004B 2005A 2005B 2006A 2006B 2007A 2007B 2009B 2010A 2012A 2011B 2008A 2008B 2009A 2011A 2010B 2013B 2013A 2012B 2014A 2015B 2015A 2014B 2016A 2017B 2017A 2016B 2018A 2018B 2019A 2020A 2019B 2021B 2021A 2022B 2022A 2023B 2023A 2024B 2024A Research Term Users Public Beamlines Contract Beamlines Research Frontiers 2024 Research Frontiers 2024 122 As of March 2025, the total number of registered refereed papers from SPring-8 and SACLA is 23,376. Figure 13 shows the annual statistics of refereed papers. T h e f a c i l i t i e s o f S P r i n g - 8 , S A C L A , a n d NewSUBARU form the Center of Excellence (COE) on the SPring-8 campus where JASRI, public beamline users, contractors of contract beamlines, RIKEN, and the University of Hyogo work in close cooperation. Thus, a research complex has been formed, where each member has their own role in achieving high- quality results in the field of synchrotron radiation science and technology. The organizational charts of RIKEN and JASRI, which are at the center of this research complex, are shown in Fig. 14 and Fig. 15 , respectively. IV. Research Outcome V. Research Complex 0 200 400 600 800 1000 1200 1400 1600 Number of Publications Year ~2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Fig. 13. Number of refereed publications. 0 200 400 600 800 1000 1200 Number of Proposals Research Term 2015A 2015B 2016A 2016B 2017A 2017B 2018A 2018B 2019A 2020A 2019B 2021B 2021 A 2022B 2022 A 2023B 2023 A 2024B 2024 A Life Science Chemical Science Medical Applications Materials Science and Engineering Earth and Planetary Science Others Environmental Science Industrial Applications 0 100 200 300 400 Number of Proposals Research Term 2015A 2015B 2016A 2016B 2017A 2017B 2018A 2018B 2019A 2020A 2019B 2021B 2021A 2022B 2022A 2023B 2023A 2024B 2024A Life Science Chemical Science Medical Applications Materials Science and Engineering Earth and Planetary Science Others Environmental Science Industrial Applications Fig. 11. Numbers of conducted proposals by research area (public beamlines). Fig. 12. Numbers of conducted proposals by research area (contract beamlines). Research Frontiers 2024 Research Frontiers 2024 123 RIKEN S. Goto T. Tanaka T. Inagaki T. Hara T. Hatsui T. Ishikawa Director: Deputy Director: H. Tanaka RIKEN SPring-8 Center Innovative Synchrotron Radiation Facility Division Advanced X-Ray Laser Group Control System and Data Infrastructure Group Accelerator Hardware Development Group Accelerator System Operation Research Group T. Kii Accelerator Development Strategy Research Group T. Taira Laser-Driven Electron-Acceleration Technology Group R&D of Technology and Systems for Synchrotron Radiation Applications Division Materials Dynamics Group Biostructural Mechanism Group Engineering Division RIKEN RSC-Rigaku Collaboration Center Strategic Office for SPring-8-II Project Applied Technology Development Group for SPring-8-II Forensic Science Group M. Yamamoto A. Baron Y. Seto Life Science Research Infrastructure Group N. Shimizu Physical and Chemical Research Infrastructure Group M. Yabashi SACLA Beamline Research and Development Group M. Yabashi K. Yonekura T. Ishikawa T. Ishikawa T. Ishikawa H. Tanaka Office of the Center Director H. Tanaka Human Resources Group Human Resources Strategy Division Personnel and Employee Relations Division S. Kagaya S. Katsura Synchrotron Radiation Science Promotion Division M. Ogoshi S. Nagasaka Fiscal Services and Procurement Group Fiscal Services Division Procurement Division T. Anzo J. Nakamura S. Hoshino Safety and Campus Operations Group Harima Operations Division S. Kagaya E. Kohra RIKEN Information R & D and Strategy Headquarters Information Security & Systems Division T. Kudoh M. Kurokawa Fig. 14. RIKEN Harima Campus chart as of April 2025. Research Frontiers 2024 Research Frontiers 2024 124 Fig. 15. JASRI chart as of April 2025. President : Y. Amemiya Japan Synchrotron Radiation Research Institute ( JASRI ) A. Yamaguchi, O. Sakata, Y. Ando Executive Managing Director : O. Sakata Strategic Planning Office for Synchrotron X-ray Research and Development K. Tono Spectroscopy and Imaging Division T. Kumasaka Diffraction and Scattering Division A. Baron Precision Spectroscopy Division Y. Ohishi NanoTerasu Promotion Division T. Honma NanoTerasu Utilization Group M. Yabashi XFEL Utilization Division T. Yabuuchi Advanced Light Source and Optics Research Group T. Hatsui Advanced Measurement and Analysis Group T. Watanabe Accelerator Division S. Takano Beam Dynamics and Monitor Group T. Watanabe Accelerator Machine Group T. Tanaka Insertion Device Group T. Sugimoto Accelerator Control Group H. Ohashi Beamline Optics Division Y. Senba Optical Engineering Group H. Yamazaki Optical Device Group Y. Joti Research DX Division O. Sakata Research Project Division M. Sato General Support Division Y. Kubota User Administration Division Y. Imai Safety Office M. Tsuji General Administration Division T. Ohata Planning and Human Resources Division
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