Paper Title:
Theoretical Study of the Local Distortion for Ni+ in Magnesium Oxide
  Abstract

The local distortion of the impurity Ni+ center in magnesium oxide is theoretically studied by analyzing its electron paramagnetic resonance g factor from the formula of a 3d9 ion under octahedra with tetragonal elongation deformation. The defect center is suggested to exhibit the relative elongation along the four-fold axis by about 0.05 Å of the Jahn-Teller nature. The observed isotropic g factor ( 2.2391) is attributable to the dynamical average of the anisotropic g values under tetragonal elongation due to the dynamical Jahn-Teller effect.

  Info
Periodical
Defect and Diffusion Forum (Volumes 305-306)
Edited by
David J. Fisher
Pages
55-59
DOI
10.4028/www.scientific.net/DDF.305-306.55
Citation
X. M. Li, "Theoretical Study of the Local Distortion for Ni+ in Magnesium Oxide", Defect and Diffusion Forum, Vols. 305-306, pp. 55-59, 2010
Online since
October 2010
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