Ionic Conductivity and Tl-205 NMR in the Molten Lil-TlI System

T. Muraki; H. Hayashi; T. Kamiyama; J. Kawamura; Y. Nakamura

doi:10.1515/HTMP.1999.18.1-2.49

Ionic Conductivity and Tl-205 NMR in the Molten Lil-TlI System

T. Muraki, H. Hayashi, T. Kamiyama, J. Kawamura, Y. Nakamura

NanoTerasu Co-Creation Promotion Division

Hokkaido University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The electrical conductivity of the molten Lil-TlI system has been measured as a function of composition and temperature. The observed electrical conductivity shows a large negative deviation from the additive law. The observed chemical shifts of²⁰⁵T1 NMR in the molten Lil-TlI system increase linearly in the diamagnetic direction (high field) with increasing Lil concentration. The chemical shifts for each composition increase in the paramagnetic direction (low field) with increasing temperature. These behaviors are interpreted from the change of overlap of the Tl-I orbitals. The observed very fast spin-lattice relaxation rates of²⁰⁵Tl are attributed to the formation of paramagnetic centers such as Tl²⁺in the melts.

Original language	English
Pages (from-to)	49-54
Number of pages	6
Journal	High Temperature Materials and Processes
Volume	18
Issue number	1-2
DOIs	https://doi.org/10.1515/HTMP.1999.18.1-2.49
Publication status	Published - 1999

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title = "Ionic Conductivity and Tl-205 NMR in the Molten Lil-TlI System",

abstract = "The electrical conductivity of the molten Lil-TlI system has been measured as a function of composition and temperature. The observed electrical conductivity shows a large negative deviation from the additive law. The observed chemical shifts of205T1 NMR in the molten Lil-TlI system increase linearly in the diamagnetic direction (high field) with increasing Lil concentration. The chemical shifts for each composition increase in the paramagnetic direction (low field) with increasing temperature. These behaviors are interpreted from the change of overlap of the Tl-I orbitals. The observed very fast spin-lattice relaxation rates of205Tl are attributed to the formation of paramagnetic centers such as Tl2+in the melts.",

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AU - Nakamura, Y.

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AB - The electrical conductivity of the molten Lil-TlI system has been measured as a function of composition and temperature. The observed electrical conductivity shows a large negative deviation from the additive law. The observed chemical shifts of205T1 NMR in the molten Lil-TlI system increase linearly in the diamagnetic direction (high field) with increasing Lil concentration. The chemical shifts for each composition increase in the paramagnetic direction (low field) with increasing temperature. These behaviors are interpreted from the change of overlap of the Tl-I orbitals. The observed very fast spin-lattice relaxation rates of205Tl are attributed to the formation of paramagnetic centers such as Tl2+in the melts.

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Ionic Conductivity and Tl-205 NMR in the Molten Lil-TlI System

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