EPR Observations of Positional Disorder of the [(CH3)3NH]+ Ions in [(CH3)3NH]CdCl3

Kuo Tung Liu, Jiang Tsu Yu, Ssu Hao Lou, Yng Huey Jeng

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Abstract

Two chemically inequivalent [N(CH3)3]+ radical species produced via γ-irradiation were detected by EPR in the low-temperature, orthorhombic 1 x √3 phase of [(CH3)3NH]CdCl3. This indicates a twofold, static disorder of the [(CH3)3NH]+ (TrM) ions. One of the radical species could be identified as originating from the “normal” TrM ions and the other from the “disordered” TrM ions. The EPR result also indicates that the population ratio of the “disordered” TrM ions relative to the “normal” TrM ions is temperature dependent; this ratio decreases with decreasing temperatures.

Original languageEnglish
Pages (from-to)135-140
Number of pages6
JournalJournal of the Physical Society of Japan
Volume63
Issue number1
DOIs
Publication statusPublished - 1994 Jan 1

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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