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Deuteron activation analysis of carbon in gallium arsenide using substoichiometric precipitation

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Abstract

Ultra trace carbon in gallium arsenide has been determined by deuteron activation analysis. It consists of steam distillation of nitrogen as ammonia and successive substoichiometric precipitation as ammonium tetraphenylborate. It is confirmed that nitrogen is precipitated substoichiometrically as ammonium tetraphenylborate in spite of the various chemical species of13N. The procedure developed was applied to the deuteron activation analysis of carbon in carbon-doped and undoped gallium arsenides. It took 30 minutes from the end of irradiation to the start of the radioactivity measurement. The detection limit of carbon in gallium arsenide was as low as 1 ppb.

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Authors and Affiliations

  1. NTT Electrical Communications Laboratories, Nippon Telegraph and Telephone Corporation, Tokai, 319-11, Ibaraki-ken, Japan

    K. Shikano, H. Yonezawa & T. Shigematsu

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  1. K. Shikano
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  2. H. Yonezawa
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  3. T. Shigematsu
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Shikano, K., Yonezawa, H. & Shigematsu, T. Deuteron activation analysis of carbon in gallium arsenide using substoichiometric precipitation. Journal of Radioanalytical and Nuclear Chemistry, Articles 111, 51–61 (1987). https://doi.org/10.1007/BF02060520

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  • DOI: https://doi.org/10.1007/BF02060520

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