Application of spin polarized 19O beam to the study of oxygen motion in solid oxide fuel cell materials

The spin-lattice relaxation times T 1 of an unstable nucleus 19 O ( T 1/2 = 26.9 s, I = 5/2) implanted into Y 2 O 3 stabilized ZrO 2 (YSZ), which is a solid oxide fuel cell material, were measured at T = 278 − 333 K by means of the β -NMR technique, using a highly spin polarized 19 O beam produced v...

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Bibliographic Details
Published in:Hyperfine interactions 2021-12, Vol.242 (1), Article 47
Main Authors: Otani, Y., Mihara, M., Matsuta, K., Fukuda, M., Wakabayashi, R., Okimoto, N., Fukutome, M., Kimura, Y., Takayama, G., Izumikawa, T., Noguchi, N., Ogose, M., Sato, M., Takatsu, K., Ohtsubo, T., Nishimura, D., Takahashi, H., Sugawara, S., Gladkov, A., Ishiyama, H., Kitagawa, A., Sato, S., Momota, S., Okumura, H., Moriguchi, T., Ozawa, A., Kaname, N., Yano, A.
Format: Article
Language:English
Subjects:
5-10 September 2021
Atomic
Brasov
Condensed Matter Physics
Hadrons
Heavy Ions
Molecular
NMR
Nuclear magnetic resonance
Nuclear Physics
Optical and Plasma Physics
Oxygen ions
Physics
Physics and Astronomy
Proceedings of the International Conference on Hyperfine Interactions (HYPERFINE 2021)
Romania
Room temperature
Solid oxide fuel cells
Spin-lattice relaxation
Straight lines
Surfaces and Interfaces
Thin Films
Yttria-stabilized zirconia
Yttrium oxide
Zirconium dioxide
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Summary:The spin-lattice relaxation times T 1 of an unstable nucleus 19 O ( T 1/2 = 26.9 s, I = 5/2) implanted into Y 2 O 3 stabilized ZrO 2 (YSZ), which is a solid oxide fuel cell material, were measured at T = 278 − 333 K by means of the β -NMR technique, using a highly spin polarized 19 O beam produced via the heavy ion reaction. The motional correlation times τ c for oxygen motion derived from the T 1 data are on the same straight line on the Arrhenius plot as those derived from the previous 17 O-NMR data at above the room temperature. This indicates that 19 O ions implanted into YSZ from outside seem to exhibit the same behavior as oxygen ions in the host YSZ material.
ISSN:0304-3843
1572-9540
DOI:10.1007/s10751-021-01776-w