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Metal halide vapour complexes: vapour transport and lamp experiments

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Abstract

Stable vapour complexes of the type ABX m+n can sometimes increase the vapour concentration of a low volatility salt above the liquid pool. If the equilibrium concentration of A and/or B, in all their molecular forms above the binary melt AX m /BX n exceed their values above their respective pure salts enhancement (F>1) has occurred. Mass spectrometric data suggests that such enhancement may occur in two dissimilar systems NaCl/ PbCl2 (F Na>1) and NaCl/DyCl3 (F Dy>1). Vapour transport and electrical discharge lamp experiments have been used to test this prediction by direct measurement of the enhancement and the results are reported here.

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Authors and Affiliations

  1. Department of Metallurgy and Materials Science, Imperial College of Science and Technology, Royal School of Mines, SW7 2BP, London, UK

    D. S. McPhail, M. G. Hocking & J. H. E. Jeffes

Authors
  1. D. S. McPhail
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  2. M. G. Hocking
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  3. J. H. E. Jeffes
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McPhail, D.S., Hocking, M.G. & Jeffes, J.H.E. Metal halide vapour complexes: vapour transport and lamp experiments. J Mater Sci 20, 457–466 (1985). https://doi.org/10.1007/BF01026514

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  • DOI: https://doi.org/10.1007/BF01026514

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