Journal of the Korean Physical Society

, Volume 67, Issue 9, pp 1574–1582 | Cite as

Development of a cold-neutron reflectometer (CN REF-V) at the HANARO

  • Jeong-Soo Lee
  • Jaseung Koo
  • Ji-Yong So
  • Tae Ho Kim
  • Sungkyun Park


A new neutron reflectometer, CN REF-V, has been installed in the cold-neutron laboratory building at the HANARO, a research reactor in Korea. The instrument has a vertical scattering plane and uses a constant wavelength of λ = 4.7535 Å, and it is monochromated by using pyrolytic graphite (PG) crystals. Its measurable minimum reflectivity and maximum momentum transfer for typical solid films are 10-8 and 0.3 Å-1, respectively. A liquid-nitrogen-cooled beryllium filter is used to remove λ/2 contamination due to the PG (002) crystals. With a gold wire activation analysis method, the neutron flux at its sample position was measured and found to be 5.67 × 105 neutrons/cm2 /s. Reflectivity measurements of thin films were successfully carried out with the instrument. A detailed characterization of the instrument and the results of the reflectivity measurements are described.


Cold-neutron Neutron reflectometer HANARO 


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Copyright information

© The Korean Physical Society 2015

Authors and Affiliations

  • Jeong-Soo Lee
    • 1
  • Jaseung Koo
    • 1
  • Ji-Yong So
    • 1
  • Tae Ho Kim
    • 2
  • Sungkyun Park
    • 3
  1. 1.Korea Atomic Energy Research InstituteDaejeonKorea
  2. 2.School of Energy, Materials, and Chemical EngineeringKorea University of Technology and EducationCheonanKorea
  3. 3.Department of PhysicsPusan National UniversityBusanKorea

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