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The charge transfer and ion formation in liquid Li-Tl alloys

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タイトル: The charge transfer and ion formation in liquid Li-Tl alloys
著者: Shimizu, Yuta 著作を一覧する
Itami, Toshio 著作を一覧する
キーワード: Liquid alloys and liquid metals
Electrical and electronic properties
Nuclear magnetic (and quadrupole) resonance
発行日: 2007年10月15日
出版者: Elsevier B.V.
誌名: Journal of Non-Crystalline Solids
巻: 353
号: 32-40
開始ページ: 3211
終了ページ: 3215
出版社 DOI: 10.1016/j.jnoncrysol.2007.05.057
抄録: The 7Li NMR Knight shift, K, and the spin-lattice relaxation time, T1, were measured for liquid Li–Tl alloys. The K decreases rapidly with the addition of Tl up to 20 at.% Tl. In the concentration from 20 to 50 at.% Tl, the K decreases only slightly and the K of 50 at.% Tl is 60% of K for the pure liquid Li. Such a decrease of K is considered as an indication for the strong charge transfer from Li to Tl. These tendencies are similar to those from previous studies for liquid Li–Ga and Li–In alloys. However, beyond 50 at.% Tl, the K increases and reaches to an almost constant value (70% of K for the pure liquid Li). Such a back donation of charge is absent for liquid Li–Ga and Li–In alloys. It is considered that the tendency of the formation of ionic structural unit for liquid Li–Tl alloys is slightly weaker compared with the cases of liquid Li–Ga and Li–In alloys. The T1 is also discussed with the relation to the Knight shift and the electronic properties.
Relation (URI): http://www.sciencedirect.com/science/journal/00223093
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/30257
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 伊丹 俊夫

 

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