[in Chinese], [in Chinese]. Calculation of 4f65d energy levels of Eu2+ion in KX(X=Cl,Br,I) crystals[J]. Acta Optica Sinica, 1993, 13(8): 679
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According to the coupling model of 4f6(7FJ) and 5d, a calculating method for 4f65d energy levels of Eu2+ ion in KX(X=Cl,Br,I) crystals was proposed. The parameter expressions of energy levels were obtained and the numerical calculations were carried out. The calculated results agree with the exprimental values.