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Structure of high pressure La- and Li-containing aluminosilicate glasses

Structure of high pressure La- and Li-containing aluminosilicate glasses. 1 atm. 8GPa. 0. 0. 50. 50. 100. 100. -20. -30. -40. -50. -20. -30. -40. -50. 150. 50. 0. 100. -50. 50. -100. -150. 0. -200. -50. -250. -300. -100. Relative Frequency (ppm).

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Structure of high pressure La- and Li-containing aluminosilicate glasses

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  1. Structure of high pressure La- and Li-containing aluminosilicate glasses 1 atm 8GPa 0 0 50 50 100 100 -20 -30 -40 -50 -20 -30 -40 -50 150 50 0 100 -50 50 -100 -150 0 -200 -50 -250 -300 -100 Relative Frequency (ppm) Relative Frequency (ppm) K. E. Kelsey, J. F. Stebbins, D. M. Singer, G. E. Brown, P. D. Asimow, J. L. Mosenfelder 27Al NMR 29Si NMR 17O NMR [4]Al [5]Al [6]Al MAS Dimension (ppm) 1 atm 1 atm [4]Si-O-[4]Si + [4]Si-O-[4]Al NBO + [4]Si-O-[5,6]Al 4.2 GPa 6 GPa 8 GPa 4.2 GPa Isotropic Dimension (ppm)

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