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Single-crystal Al-27 NMR study of corundum alpha-Al2O3

Title
Single-crystal Al-27 NMR study of corundum alpha-Al2O3
Authors
Woo, AJ
Ewha Authors
우애자
SCOPUS Author ID
우애자scopus
Issue Date
1999
Journal Title
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
ISSN
0253-2964JCR Link
Citation
vol. 20, no. 10, pp. 1205 - 1208
Publisher
KOREAN CHEMICAL SOC
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
Al-27 NMR chemical shielding, quadrupolar coupling, and dipolar coupling interactions for corundum (alpha-Al2O3) are determined from the single-crystal Al-27 NMR spectra according to the rotation about three orthogonal axis. Al-27 NMR parameters obtained in this work with high accuracy are as follows: delta(iso) = 7.4(4) ppm, QCC = 2.30(4) MHz, eta = 0.08(3), and R = 2.0(3) kHz. This work appears to be the first NMR measurement of an aluminum-aluminum dipolar coupling interaction in alpha-Al2O3 crystals.
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사범대학 > 과학교육과 > Journal papers
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