ESR Study of NH3+ and SeO3- Radicals in the Mixed Crystals [(NH4)1-xRx]2SO4(R=Rb,Cs)
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- Hirabayashi Katsuhiko
- Department of Applied Physics, Faculty of Engineering, Nagoya University
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- Abe Ryuji
- Department of Applied Physics, Faculty of Engineering, Nagoya University
書誌事項
- タイトル別名
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- ESR Study of NH<SUB>3</SUB><SUP>+</SUP> and SeO<SUB>3</SUB><SUP>−</SUP> Radicals in the Mixed Crystals [(NH<SUB>4</SUB>)<SUB>1−<I>x</I></SUB>R<I><SUB>x</SUB></I>]<SUB>2</SUB>SO<SUB>4</SUB>(R=Rb, Cs)
- ESR Study of NH3 + and SeO3 Radicals in
- ESR Study of NH<sub>3</sub><sup>+</sup> and SeO<sub>3</sub><sup>-</sup> Radicals in the Mixed Crystals [(NH<sub>4</sub>)<sub>1-<i>x</i></sub>R<sub><i>x</i></sub>]<sub>2</sub>SO<sub>4</sub>(R=Rb, Cs)
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ESR spectra of NH3+ and SeO3− radicals in γ-irradiated [(NH4)1−xRx]2SO4 crystals (R=Rb, Cs) resolving about 4 mol.% SeO4 were analysed. The intensity of the spectral lines for NH3+(β) was nearly equal to that for NH3+(α) in all the mixed crystals [(MH4)1−xRbx]2SO4 examined (x=0.09∼0.75). This fact indicates that the preferential replacement of R+ ion to the NH4+(β) ion which has been observed in [(NH4)1−xKx]2SO4, was not occurred in [(NH4)1−xRbx]2SO4. For [(NH4)1−xCsx]2SO4 with larger x, a trend that the NH4+(α) ion was rather easily replaced by Cs+ ion, was observed. This result could be explained reasonably by considerig the mean distance from the nearest oxygens surrounding each NH4+ ion. The analysis of SeO3− radical revealed that SO4−− ion might be deformed below Tc impling that SO4−− ion is responsible for a part of spontaneous polarization in ammonium sulfate and the mixed crystals.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 48 (2), 520-526, 1980
一般社団法人 日本物理学会
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詳細情報
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- CRID
- 1390282679161111040
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- NII論文ID
- 110001964768
- 130003737946
- 210000088652
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1980JPSJ...48..520H
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- COI
- 1:CAS:528:DyaL3cXhsFGmsbc%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 2168726
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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