Structural analysis of Cs adsorption on Cs-montmorillonite using ab initio calculation and $^{133}$ Cs solid state NMR, 2; $^{133}$ Cs MAS and 3Q MAS NMR

Okamoto, Takuya*; Okubo, Takahiro*; Iwadate, Yasuhiko*; Deguchi, Kenzo*; Shimizu, Tadashi*; Oki, Shinobu*; Tachi, Yukio

The structures of Cs adsorption on montmorillonite were investigated by the nuclear magnetic resonance (NMR) spectroscopy. The NMR spectra of Cs adsorbed montmorillonite samples with different Cs contents were collected by $^{133}$ Cs Magic Angle Spinning (MAS) NMR and $^{133}$ Cs Triple Quantum (3Q) MAS NMR. The adsorbed Cs structures were evaluated based on the correlations between the structural characteristics and the values of the NMR parameters predicted by the first principal calculations.

Language	:	Japanese
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Meeting title	:	日本原子力学会2015年秋の大会
Held date	:	2015/09
Location (city)	:	静岡
Location (country)	:	日本
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Keywords	:	Cs型モンモリロナイト; 層間イオン; 133Cs固体NMR; 第一原理計算
Research Facility	:	ENTRY(地層処分基盤研究施設)
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Article of JAEA R&D Review	:
Cooperating Institute	:	経済産業省資源エネルギー庁

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Registration No. : BB20150751
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Structural analysis of Cs adsorption on Cs-montmorillonite using ab initio calculation and Cs solid state NMR, 2; Cs MAS and 3Q MAS NMR

Structural analysis of Cs adsorption on Cs-montmorillonite using ab initio calculation and $^{133}$ Cs solid state NMR, 2; $^{133}$ Cs MAS and 3Q MAS NMR