Atomic mobility in nanostructured liquid Ga-In alloy

E. V. Charnaya, Cheng Tien, M. K. Lee, Yu A. Kumzerov

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Abstract

Nuclear spin relaxation and the Knight shift for 71Ga, 69Ga, and 115In isotopes were studied by nuclear magnetic resonance (NMR) in liquid gallium-indium alloy confined to porous glass and alloy surface film and were compared with the bulk counterparts. Drastic spin relaxation acceleration under nanoconfinement was observed for the three isotopes. Quadrupole and magnetic contributions to spin relaxation were separated for gallium and indium isotopes using the experimental data obtained, which allowed, in particular, the evaluation of correlation times of atomic mobility. The strong decrease in the correlation time was found for confined alloy which evidenced a remarkable diffusion slowdown. The effect of changes in atomic mobility on NMR line broadening was also discussed.

Original languageEnglish
Article number195108
JournalJournal of Physics Condensed Matter
Volume22
Issue number19
DOIs
Publication statusPublished - 2010 May 3

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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