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No.3(pp.77-107)

Home > Issues > Volume 6 (2001) > No.3(pp.77-107)

Theoretical Calculation of Zero Field Splitting of Mn²⁺ Ion in LiTaO₃ Crystal

Journal of Magnetics, Volume 6, Number 3, 30 Sep 2001, Pages 77-79

T. H. Yeom*

(Department of Physics, Chongju University), S. H. Lee,(Department of Physics, Chongju University)

Abstract

The semi-empirical superposition model has been applied to calculate the zero field splitting parameters of Mn²⁺ ion in LiTaO₃ single crystal, assuming that Mn²⁺ ion occupies one of two possible sites: Li¹⁺ or Ta⁵⁺ site, respectively. The 2nd-order axial zero field splitting parameters are 958 × 10^-4cm^-1 at Li¹⁺ site and 193 × 10^-4 cm^-1site for Mn²⁺ions. The 4th-order zero field splitting parameters at Li¹⁺ and Ta⁵⁺ sites are also determined. These calculated zero field splitting parameters are very important to determine the substitutional sites of doped impurity ions in LiTaO₃ crystal.

Keywords: Mn^2+ ion; LiTaO_3 single crystal; zero field splitting; superposition model; substitutional sites

DOI:

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