Energy levels and crystal-field parameter calculation for Nd 3+ in Gd3Ga5O12 single crystal

Abstract

Abstract:

The absorption spectrum of Nd3+ ions doped into GGG single crystal was analyzed in the visible and near infrared region. Its crystal-field and spin-orbit parameters were calculated with the DV-Xa method, which belong to an ab initio calculation. Meanwhile, its free-ions and crystal-field parameters were also fitted to the experimental energy levels in 300K and 77K with the root mean square deviation (σ) of 15.79cm^-1 and 11.48 cm^-1, respectively. According to the crystal-field calculations, 156 levels of Nd3+ ions in 77K and 88 levels of Nd3+ ions in 300K have been assigned. The results indicated that the fitted and calculated crystal-field parameters by DV-Xa are consistent very well. Finally, the fitting results of free-ions and crystal-field parameters are compared with those already reported for Nd3+:YAG.

Key words: crystal, Nd3+:GGG, DV-Xa method, energy levels, crystal-field parameters

CLC Number:

O482

GAO Jin-Yun, ZHANG Qiang-Li, HU Liu-Sen, WEN Jun, JIA Shang-Da, GUO Chang-Xin, YAN Chao-Tang. Energy levels and crystal-field parameter calculation for Nd³⁺ in Gd₃Ga₅O₁₂single crystal[J]. J4, 2011, 28(2): 218-229.

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Energy levels and crystal-field parameter calculation for Nd³⁺ in Gd₃Ga₅O₁₂single crystal

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