✦ LIBER ✦

Formation of glassy islands and deterioration of crystal structure in irradiated long-chain n-alkane crystals detected by high resolution NMR

✍ Scribed by Masaharu Okazaki; Kazumi Toriyama

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 267 KB
Volume: 160
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(89)87547-5

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✦ Synopsis

A set of new peaks in the high-resolution solid-state 13C NMR spectrum of y-irradiated crystalline n-alkanes have been assigned to intact alkanes in the glassy region formed by corruption of the crystal structure. The saturation recovery curve for the interior methylene carbon showed that the flexibility of the crystalline region near this glassy region is also increased. This defect may profoundly affect successive radiation damage to the alkane crystal.