Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and 29Si isotope enriched silicon

L. S. Vlasenko; M. P. Vlasenko; D. S. Poloskin; R. Laiho; H. Hayashi; T. Itahashi; A. Sagara; K. M. Itoh

doi:10.1002/pssc.200672809

Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and ²⁹Si isotope enriched silicon

L. S. Vlasenko, M. P. Vlasenko, D. S. Poloskin, R. Laiho, H. Hayashi, T. Itahashi, A. Sagara, K. M. Itoh

塾長

研究成果: Conference article › 査読

8 被引用数 (Scopus)

抄録

Electron paramagnetic resonance (EPR) of the triplet centers and dynamic ²⁹Si nuclear polarization was studied in irradiated naturally abounded (4.7%) and ²⁹Si isotope enriched (99.3%) silicon crystals. Saturation of the EPR lines of the photoexcited triplet centers with nonequilibrium spin polarization between m^s = +1, 0, and -1 sates leads to the nuclear polarization ≈7000 times higher than equilibrium value. It was shown that the observed dynamic nuclear polarization is a result of the "solid-effect".

本文言語	English
ページ（範囲）	4376-4379
ページ数	4
ジャーナル	Physica Status Solidi (C) Current Topics in Solid State Physics
巻	3
号	12
DOI	https://doi.org/10.1002/pssc.200672809
出版ステータス	Published - 2006
イベント	4th International Conference on Physics and Applications of Spin-related Phenomena in Semiconductors, PASPS-IV - Sendai, Japan 継続期間: 2006 8月 15 → 2006 8月 18

ASJC Scopus subject areas

凝縮系物理学

文献へのアクセス

10.1002/pssc.200672809

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引用スタイル

Vlasenko, L. S., Vlasenko, M. P., Poloskin, D. S., Laiho, R., Hayashi, H., Itahashi, T., Sagara, A., & Itoh, K. M. (2006). Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and ²⁹Si isotope enriched silicon. Physica Status Solidi (C) Current Topics in Solid State Physics, 3(12), 4376-4379. https://doi.org/10.1002/pssc.200672809

Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and ²⁹Si isotope enriched silicon. / Vlasenko, L. S.; Vlasenko, M. P.; Poloskin, D. S. その他.
In: Physica Status Solidi (C) Current Topics in Solid State Physics, Vol. 3, No. 12, 2006, p. 4376-4379.

研究成果: Conference article › 査読

Vlasenko, LS, Vlasenko, MP, Poloskin, DS, Laiho, R, Hayashi, H, Itahashi, T, Sagara, A & Itoh, KM 2006, 'Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and ²⁹Si isotope enriched silicon', Physica Status Solidi (C) Current Topics in Solid State Physics, vol. 3, no. 12, pp. 4376-4379. https://doi.org/10.1002/pssc.200672809

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title = "Electron paramagnetic resonance and dynamic nuclear polarization via the photoexcited triplet states of radiation defects in natural and 29Si isotope enriched silicon",

abstract = "Electron paramagnetic resonance (EPR) of the triplet centers and dynamic 29Si nuclear polarization was studied in irradiated naturally abounded (4.7%) and 29Si isotope enriched (99.3%) silicon crystals. Saturation of the EPR lines of the photoexcited triplet centers with nonequilibrium spin polarization between ms = +1, 0, and -1 sates leads to the nuclear polarization ≈7000 times higher than equilibrium value. It was shown that the observed dynamic nuclear polarization is a result of the {"}solid-effect{"}.",

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AU - Vlasenko, L. S.

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AU - Poloskin, D. S.

AU - Laiho, R.

AU - Hayashi, H.

AU - Itahashi, T.

AU - Sagara, A.

AU - Itoh, K. M.

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AB - Electron paramagnetic resonance (EPR) of the triplet centers and dynamic 29Si nuclear polarization was studied in irradiated naturally abounded (4.7%) and 29Si isotope enriched (99.3%) silicon crystals. Saturation of the EPR lines of the photoexcited triplet centers with nonequilibrium spin polarization between ms = +1, 0, and -1 sates leads to the nuclear polarization ≈7000 times higher than equilibrium value. It was shown that the observed dynamic nuclear polarization is a result of the "solid-effect".

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