Self-Diffusion of Lithium in Molten Li_2BeF_4
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概要
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The self-diffusion coefficients of lithium in molten Li_2BeF_4 have been measured with the capillary reservoir technique using ^6Li as a tracer. The concentration profiles of ^6Li in a capillary were measured by an ion micro mass analyser and the self-diffusion coefficients were calculated. The result can be descrived with the Arrhenius equation: D=9.27×10^<-3> exp (<-7770>/<RT>) where D is expressed in cm^2/sec, R in cal/mol-deg and T in degree Kelvin. The activation energy for diffusion of lithium is much smaller than that of fluorine and slightly larger than that for electrical conductivity. This suggests that the movement of fluorine does not involve an electric current transfer and the mobility of lithium ions is much larger than that of fluoroberyllate ions.
- 大阪大学の論文
著者
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IWAMOTO Nobuya
Osaka University
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Ohno Hideo
Molten Material Laboratory Division Of Nuclear Fuel Research Japan Atomic Energy Research Institute
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UMESAKI Norimasa
Osaka University
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TSUNAWAKI Yoshiaki
Osaka Sangyo University
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Umesaki Norimasa
Osaka National Research Institute Aist-miti
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Umesaki Norimasa
Osaka National Research Institute (onri) Aist
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Furukawa Kazuo
Molten Material Laboratory Division Of Nuclear Fuel Research Japan Atomic Energy Research Institute
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Furukawa K
Osaka University:(present Office)mitsubishi Metal Co.
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Tsunawaki Yoshiaki
Osaka Sangyo Univ.
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