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Investigation of Al-O-Al sites in an Na-aluminosilicate glass
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UNSPECIFIED (2004) Investigation of Al-O-Al sites in an Na-aluminosilicate glass. BULLETIN OF MATERIALS SCIENCE, 27 (3). pp. 269-272. ISSN 0250-4707.
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Abstract
This paper reports the presence of Al-O-Al linkages in an aluminosilicate glass where Si/Al = 1 by using 2D O-17 triple quantum MAS NMR technique (3Q MASNMR). The experiments were performed at external magnetic fields of 8.4 and 14.4T. Despite (17)OMAS NMR spectra of the sample in both fields do not give much information about the different kinds of linkages in the sample, 3Q MAS NMR spectrum shows clear evidence that there are some amounts of Al-O-Al linkages in the sample giving two completely resolved peaks. These two peaks were attributed to the Si-O-Al and Al-O-Al linkages on the basis of their chemical shifts and, quadrupolar coupling constants which are quite sensitive to the local structure.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||
Journal or Publication Title: | BULLETIN OF MATERIALS SCIENCE | ||||
Publisher: | INDIAN ACADEMY SCIENCES | ||||
ISSN: | 0250-4707 | ||||
Official Date: | June 2004 | ||||
Dates: |
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Volume: | 27 | ||||
Number: | 3 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 269-272 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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