63Cu magic angle spinning (MAS) nuclear magnetic resonance (NMR) study of CuX crystals (X = Cl, Br, and I) and CuX-based glasses (X = Cl, Br, and I)

S. Sakida, N. Kato, Y. Kawamoto

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

63Cu MAS NMR spectra of CuX crystals (X = Cl, Br, and I) and CuX-based glasses (X = Cl, Br, and I) have been measured. The CuCl and CuI crystals gave the isotropic chemical shift values around 0 ppm, and the CuBr crystal, around -55 ppm. The peak positions of the chlorocuprate(I), bromocuprate(I), and iodocuprate(I) glasses were very close to those of the CuX crystals, respectively. This result indicates that these glasses mainly consist of CuX4 tetrahedra (X = Cl, Br, and I). The halogen coordination environments around Cu+ in bromochlorocuprate(I) glasses were dependent on the kind of modifying cation and the Br-/(Cl- + Br-) ratio. The bromochlorocuprate(I) glasses were mainly composed of CuClmBr4-m or CuClnBr4-n tetrahedra (m = 0, 1, 2, and 4; n = 0, 1, and 4).

Original languageEnglish
Pages (from-to)2263-2274
Number of pages12
JournalMaterials Research Bulletin
Volume37
Issue number14
DOIs
Publication statusPublished - Nov 20 2002
Externally publishedYes

Keywords

  • A. Glasses
  • A. Halides
  • A. Inorganic compounds
  • C. Nuclear magnetic resonance (NMR)

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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