NMR-STUDY OF INTRINSIC DEFECTS IN CONGRUENT LINBO3 .1. UNOVERLAPPING DEFECTS

Authors
YATSENKO AV IVANOVA EN SERGEEV NA
Citation
Av. Yatsenko et al., NMR-STUDY OF INTRINSIC DEFECTS IN CONGRUENT LINBO3 .1. UNOVERLAPPING DEFECTS, Physica. B, Condensed matter, 240(3), 1997, pp. 254-262
Citations number
42
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
240
Issue
3
Year of publication
1997
Pages
254 - 262
Database
ISI
SICI code
0921-4526(1997)240:3<254:NOIDIC>2.0.ZU;2-I
Abstract
The simulations of NMR spectra of Li-7 and Nb-93 nuclei for different models of intrinsic defects in single crystal of congruent lithium nio bate have been performed. It has been shown that the most probable def ects in LiNbO3 are complex (Nb-Li + 3V(Li)) and isolated V-Li. The NMR spectra of Li-7 have been simulated assuming that the potential surfa ce of Li ion in the distorted LiO6 octahedron has four minima.