✦ LIBER ✦

Determination of off-center displacements in NaBr:F− by nuclear magnetic double resonance

✍ Scribed by Yoshinori Manmoto; Minaru Tei; Junichi Nogami; Masakuni Furuyama

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 468 KB
Volume: 75
Category: Article
ISSN: 0020-7608
DOI: 10.1002/(sici)1097-461x(1999)75:4/5<961::aid-qua60>3.0.co;2-w

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✦ Synopsis

The measurements of the quadrupole splittings of Na q ion in NaBr:F y crystal are performed by nuclear magnetic double resonance. The electric field gradients produced by lattice distortion at the Na nuclei in the vicinity of the substitutional F y q Ž . impurity ion is obtained, and the displacement of Na ions at 100 sites is decided. By analyzing the source of the Na y displacement, the magnitude of the off-center y 2 : displacement of F ion along 110 direction in NaBr crystal is determined as 0.45 A.

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