山东蓝宝石中Fe^（3＋）电子跃迁谱带的指派

Assignment of Electron Transition Absorption Bands of Fe￣(3+) in Sapphires from Shandong

本文运用晶体场理论对蓝宝石中Ｆｅ￣（３＋）离子的能级分裂和电子跃迁进行了较深入的讨论。利用光学光谱中已知的Ｆｅ＿（３＋）单电子跃迁吸收带的有关参数计算了电子相互排斥参量Ｂ＝６２９，Ｃ＝３１８５，进而利用Ｂ、Ｃ参量值估算出Ｆｅ＿（３＋）电子由基态向其他激发态能级跃迁的能量，从而确定山东蓝宝石光学光谱中ａ＿１、ａ＿２、ａ＿３、ａ＿４四个吸收带系Ｆｅ＿（３＋）单电子跃迁吸收带，为解析复杂的蓝宝石光学吸收谱和研究蓝宝石呈色机制提供了依据和方法。

Energy level and electron transition of Fe￣(3+) in Sapphires were discussed in detail.Crys-tal field parameters were :B=629,C=3185.The energy of electron transition from groundstate to few other levels of Fe￣(3+) was calculated by using B,C,Dq and a_1、a_2、a_3、a_4、a_5 bandswere assigned。This paper would give a method to study other complicated spectra.