Magnetic interactions possessing point group symmetry and their application to ruby |
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| Authors: | Minguang Zhao Zhongwei Ma Zhenguo Yang |
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| Institution: | 1. Research Devision of Solid State Physics, Sichuan Teachers College, Chengdu
2. Institute of Geochemistry, Academia Sinica, China
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| Abstract: | By utilizing the magnetic interactions possessingC 3v symmetry, the author has deduced the general expressions for theg-factors, zero-field splitting and effective magnetic moment of the ground singlet orbital state in d3-complex. For ruby (Al2O3: Cr3+) the results are in good agreement with experiments: theoretical values:g ‖ =1.9835;g ⊥=1.9876; 2D=?0.3731 cm?1;μ ‖ =3.857β;μ ⊥=3.861β; experimental values:g ‖ =1.9840±0.006,g ⊥=1.9867±0.0006, 2D=?0.3831±0.0002 cm?1,μ=3.8?3.9β. |
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