NMR studies of metallic tin confined within porous matrices

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

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Sn119 NMR studies were carried out for metallic tin confined within synthetic opal and porous glass. Tin was embedded into nanoporous matrices in the melted state under pressure. The Knight shift for liquid confined tin was found to decrease with decreasing pore size. Correlations between NMR line shapes, Knight shift, and pore filling were observed. The melting and freezing phase transitions of tin under confinement were studied through temperature dependences of NMR signals upon warming and cooling. Melting of tin within the opal matrix agreed well with the liquid skin model suggested for small isolated particles. The influence of the pore filling on the melting process was shown.

Original languageEnglish
Article number144101
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume75
Issue number14
DOIs
Publication statusPublished - 2007 Apr 4

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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