Dissociation of the hyperchromate ion into the chromic ion in crystals: An electron spin resonance study

Shen Yuan Chou, Jiang-Tsu Yu

研究成果: 雜誌貢獻文章

6 引文 斯高帕斯(Scopus)

摘要

By heating LiCsSO4 crystals which have been doped with ammonium chromate and γ-irradiated, Cr3+ species with large zero-field splittings were detected by electron spin resonance (ESR). The Cr3+ species result from an ammonium-hydrogen-assisted dissociation of the CrO4 3- and CrO3 - species produced by irradiation. The same oxygen-stripping effect was observed by ESR in γ-irradiated LiNH4SO4 and (NH4)2SO4 crystals doped with CrO4 2-. Dissociation of CrO4 2- itself into Cr3- was observed by ESR in CrO4 2--doped ammonium sulfate crystals heated at temperatures well below the dissociation temperature of this compound.

原文英語
頁(從 - 到)993-999
頁數7
期刊Journal of Physics and Chemistry of Solids
51
發行號8
DOIs
出版狀態已發佈 - 1990 一月 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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