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Event Brief

Canadian Neutron Initiative Roundtable: Towards a National Neutron Strategy

By: Johnny Kung
17 Mar, 2021
March 17, 2021
technology illustration final

Innovation in the study, design and characterization of materials is key to advances in a range of industries and applications, from energy and manufacturing to computing and healthcare. One of the indispensable tools for studying materials are neutron beams. While Canadian scientists conducted a lot of the pioneering work on the use of neutrons in research and applications, there is now an urgent need for Canada to develop a strategy to maintain access to neutron beams. This is due to the closure of Canada’s primary neutron source, the National Research Universal (NRU) reactor at Chalk River Laboratories, in 2018 and the subsequent winddown of the national coordinating organization and user facility, the Canadian Neutron Beam Centre (CNBC), as well as the expiration of Canada’s participation at the Spallation Neutron Source in the United States. 

The Canadian Neutron Initiative (CNI) working group is striving to develop a university-led national neutron

to rebuild Canadian capacity for research with neutron beams. On December 15-16, 2020, the CNI working group, in partnership with CIFAR, held a virtual roundtable to seek input on key elements of the strategy from a range of stakeholders, including university executives, policy experts, leaders of domestic and international major research infrastructure (including neutron facilities), representatives from government agencies and funders, leaders of the nuclear industry, and researchers, including members of CIFAR’s Quantum Materials program. A detailed on the outcomes of the roundtable is available from the CNI; this brief highlights several key messages from the conversation.

Key Insights and Priorities

  • Forging new partnerships with international neutron facilities will provide Canadian researchers with some access to neutron beams in the near term, allowing for a community of neutron users to be maintained. Some potential partner facilities would require Canada to provide funds towards operations. In-kind contributions are also a valuable means of leveraging beam time, as they provide additional benefits: 
    • By contributing instruments, Canada can better maintain expertise in the development of technology for neutron instruments, and engage industry in commercializing spin-off technologies. 
    • A small team of staff stationed at international facilities could help facilitate  projects by Canadian researchers, while contributing to the facilities’ operation and planning to ensure it is responsive to the needs of Canadian research.
  • Neutron sources within Canada, even if they are of lower neutron flux (or “brightness”), are important for retaining some level of expertise and technical know-how that will be critical to enabling Canada to participate in international facilities. In addition to doing important science, these sources will give Canadian researchers, including students, hands-on training and experience. The ongoing and planned development of the neutron beam lab at the McMaster Nuclear Reactor will allow for the full exploitation of that particular neutron source and fulfill this crucial role. 
    • Local facilities are also important for industry users, many of whom have small-scale projects that require rapid turn-around. Certain applications with sovereignty or security implications, including some by the government, military, aerospace or nuclear industries, may also not be suitably conducted at foreign facilities.
  • Research into new types of neutron sources, such as compact accelerator-based (rather than nuclear reactor-based) sources, may allow for new, lower cost facilities to be built in Canada. However, these sources will not replace high brightness neutron sources needed for much research and development, especially in quantum materials, nor do they meet certain needs of the nuclear industry provided by reactors, such as in-core irradiation for materials testing and isotope production. With the globally decreasing availability of neutron sources due to the decommissioning of older facilities, competition for beam time will continue to exacerbate. It may ultimately be necessary to construct high brightness sources in Canada (or for Canada to contribute to their construction elsewhere) to ensure access for Canadian researchers and add to the global supply of neutrons.
  • A national coordinating organization that operates within a sustainable, credible and representative governance framework will play an important role in Canada’s national neutron strategy, by taking the lead in obtaining operation funds, enter into agreements with international facilities and coordinate participation by Canadian researchers there, conduct long-range planning and priority setting, and build consensus among the community of researchers, enabling this community to speak to government and funders with one voice. 
    • Lessons could be learned from other scientific fields that rely on large-scale, internationally collaborative research infrastructure, such as astronomy, particle physics and the synchrotron community. 
  • In formulating a national neutron strategy, equity, diversity and inclusion (EDI) will need to be incorporated from the outset and at a high level. Given the underrepresentation in science (particularly physics) of women, racialized and Indigenous groups, and persons with disability, a national strategy should pursue mechanisms to increase their representation so that the field can benefit from the ideas and potential of everyone. 
    • Because research at neutron facilities often require extensive travel, underrepresented groups, as well as young investigators, are further disadvantaged by factors such as the burden of care duties and lack of resources. Measures such as additional support, remote working and simulation tools should be explored. 
    • If (or when) new neutron sources were to be built in Canada, the scientific community needs to engage with local and Indigenous communities early and meaningfully. Lessons (both positive and negative) could be learned from other scientific infrastructure projects, such as ground-based telescopes, or the roadmapping work being done for small modular nuclear reactors by Natural Resources Canada.

Speakers and Facilitators

  • Ken Andersen, Director, Neutron Technologies Division, Oak Ridge National Laboratory
  • Jonathan Bagger, CEO, American Physical Society / former Director, TRIUMF 
  • Anne Ballantyne, Corporate Strategy Advisor, Sylvia Fedoruk Canadian Centre for Nuclear Innovation
  • Daniel Banks, President, TVB Associates Inc.
  • Thomas Brückel, Director, Jülich Centre for Neutron Science
  • Karen Chad, former Vice-President Research, University of Saskatchewan / former Chair, Canadian Neutron Initiative Working Group
  • Pat Clancy, Assistant Professor, McMaster University
  • Robert Dimeo, Director, NIST Center for Neutron Research
  • Bruce Gaulin, Professor, McMaster University / Fellow, Quantum Materials program, CIFAR
  • Alannah Hallas, Assistant Professor, University of British Columbia / Azrieli Global Scholar, Quantum Materials program, CIFAR
  • Janet Halliwell, Principal, J.E. Halliwell Associates Inc. / Board Chair, Centre for the Study of Science and Innovation Policy, University of Saskatchewan
  • Thad Harroun, Professor, Brock University / former President, Canadian Institute for Neutron Scattering
  • Young-June Kim, Professor, University of Toronto
  • Carlos Lorencez, Director, Nuclear Safety and Environmental Affairs, CANDU Owners Group
  • Drew Marquardt, Assistant Professor, University of Windsor / President, Canadian Institute for Neutron Scattering
  • Ron Rogge, Acting Manager, Applied Physics Branch, Canadian Nuclear Laboratories
  • John Root, Executive Director, Sylvia Fedoruk Canadian Centre for Nuclear Innovation
  • Helmut Schober, Director, Institut Laue-Langevin / Chair, League of advanced European Neutron Sources (LENS)
  • Andreas Schreyer, Director for Science, European Spallation Source
  • Luc Simard, Director General, Herzberg Astronomy and Astrophysics Research Centre, National Research Council of Canada

Further Reading



Neutron scattering for quantum materials research (CIFAR research brief)

For more information, contact
Fiona Cunningham
Director, Innovation
CIFAR
fiona.cunningham@cifar.ca

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