Volume 19, Issue 11 pp. 1888-1894
Paper

Application of Energy-Resolving Neutron Imaging to Major-Component Analyses of Materials Using Four-Channel Superconducting Detector

The Dang Vu

Corresponding Author

The Dang Vu

Non-member

Division of Quantum and Radiation Engineering, Osaka Metropolitan University, Sakai, Osaka, 599-8570 Japan

Correspondence to: The Dang Vu. E-mail: [email protected]

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Hiroaki Shishido

Hiroaki Shishido

Non-member

Department of Physics and Electronics, Graduate School of Engineering, Osaka Metropolitan University, Sakai, Osaka, 599-8531 Japan

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Kazuya Aizawa

Kazuya Aizawa

Non-member

Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195 Japan

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Takayuki Oku

Takayuki Oku

Non-member

Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195 Japan

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Kenichi Oikawa

Kenichi Oikawa

Non-member

Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195 Japan

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Masahide Harada

Masahide Harada

Non-member

Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195 Japan

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Kenji M. Kojima

Kenji M. Kojima

Non-member

Centre for Molecular and Materials Science, TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3 Canada

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Shigeyuki Miyajima

Shigeyuki Miyajima

Non-member

Advanced ICT Research Institute, National Institute of Information and Communications Technology, 588-2 Iwaoka, Nishi-ku, Kobe, Hyogo, 651-2492 Japan

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Kazuhiko Soyama

Kazuhiko Soyama

Non-member

Materials and Life Science Division, J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195 Japan

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Tomio Koyama

Tomio Koyama

Non-member

Division of Quantum and Radiation Engineering, Osaka Metropolitan University, Sakai, Osaka, 599-8570 Japan

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Mutsuo Hidaka

Mutsuo Hidaka

Non-member

Advanced Industrial Science and Technology, Tsukuba, Ibaraki, 305-8568 Japan

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Soh Y. Suzuki

Soh Y. Suzuki

Non-member

Computing Research Center, Applied Research Laboratory, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, 305-0801 Japan

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Manobu M. Tanaka

Manobu M. Tanaka

Non-member

Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, 305-0801 Japan

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Masahiko Machida

Masahiko Machida

Non-member

Center for Computational Science & e-Systems, Japan Atomic Energy Agency, 178-4-4 Wakashiba, Kashiwa, Chiba, 277-0871 Japan

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Shuichi Kawamata

Shuichi Kawamata

Non-member

Division of Quantum and Radiation Engineering, Osaka Metropolitan University, Sakai, Osaka, 599-8570 Japan

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Takekazu Ishida

Takekazu Ishida

Non-member

Division of Quantum and Radiation Engineering, Osaka Metropolitan University, Sakai, Osaka, 599-8570 Japan

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First published: 20 June 2024

Abstract

We proposed a current-biased kinetic inductance detector (CB-KID) as a novel superconducting detector to construct a neutron transmission imager. The characteristics of a superconducting neutron detector have been systematically studied to improve a spatial resolution down to 10 μm $$ \upmu \mathrm{m} $$ in transmission imaging. In this study, we report the application of the energy-resolving neutron imaging to investigate major components of materials by analyzing neutron transmission spectra from 1 meV to 500 keV. We succeeded in identifying that copper (Cu) and iron (Fe) are major components respectively in commercial nuts and screws as test samples with the aid of Rietveld imaging of transmission spectra (RITS) program in analyzing transmission spectra in longer wavelengths. The Ti screw was also confirmed by comparing the nuclear resonance absorption measurements and simulations in high-energy regions. We demonstrated that our superconducting neutron detector is applicable to reveal the transmission spectra in the wide range from cold-neutron energies meV $$ \sim \mathrm{meV} $$ to higher neutron energies even up to 500 keV. By selecting distinctive energy regions of pulsed neutrons, we succeeded in mapping the distribution of SmSn3 compound using the strong neutron absorption in samarium (Sm) and the selective nuclear-resonance dips in Sm. By taking advantage of using CB-KID in conducting neutron imaging, the CB-KID method is extensively useful for various purposes in material sciences through energy-selective neutron spectroscopy from 1 meV to 500 keV. © 2024 Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.

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