Funct. Mater. 2014; 21 (2): 176-180.
11B and 7Li MAS NMR of glassy and crystalline borate compounds
[1] Institute of Physics, University of Szczecin, 15 Wielkopolska Str., 70-451 Szczecin, Poland
[2] Spectroscopy Sector, Institute of Physical Optics, 23 Dragomanov Str., 79-005 Lviv, Ukraine
[3] Division of Spectroscopy of Functional Materials, Institute of Physics, University of Zielona Gora, 4a Szafrana Str., 65-516 Zielona Gora, Poland
The MAS NMR spectra of the 11B and 7Li isotopes in a series of un-doped crystalline and glassy borate compounds with Li2B4O7, LiB3O5 and LiCaBO3 chemical compositions were investigated and analyzed. The investigated borate glasses of high optical quality and chemical purity were obtained from corresponding polycrystalline compounds using standard glass synthesis technique. The obtained results of MAS NMR spectroscopy show good correlation with X-ray diffraction data for local structure of the cationic sites in borate crystals and glasses with same chemical compositions.
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