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Temperature Dependence of Mn²⁺ Paramagnetic Ion in a Stoichiometric LiNbO₃Single Crystal

Journal of Magnetics, Volume 18, Number 3, 30 Sep 2013, Pages 221-224

Tae Ho Yeom *

(Department of Laser and Optical Information Engineering, Cheongju University), Soo Hyung Lee (Department of Laser and Optical Information Engineering, Cheongju University)

Abstract

Electron paramagnetic resonance (EPR) spectra of Mn²⁺ impurity ion in Stoichiometric LiNbO₃single crystal (SLN) was investigated with an X-band EPR spectrometer in the temperature range of 3 K~296 K. The intensity of EPR spectrum of Mn²⁺ ion was increased to 20 K and decreased again below 20 K as the
temperature decreases. The zero-field splitting parameter D decreased as the temperature increases. It was suggested that Mn²⁺ ion substitute for Nb⁵⁺ ion instead of Li⁺ ion. No changes for hyperfine interaction of Mn²⁺ ion was obtained in the temperature range of 3 K~296 K.

Keywords: LiNbO3 single crystal; Mn2+ ion; electron paramagnetic resonance; temperature dependence

DOI: http://dx.doi.org/10.4283/JMAG.2013.18.3.221

Full Text: PDF

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