%0 Journal Article
%T Unified Explanation of the Optical Spectra and Paramagnetic g Factor of CaF2:Co2+<br>CaF2:Co2+光谱和顺磁 g 因子的统一解释
%A XIE Lin-hua
%A ZHU Shi-fu
%A <br>谢林华
%A 朱世富
%J 波谱学杂志
%D 2008
%I 
%X Based on the semi-self-constant-field (semi-SCF) d-orbital model and the complete energy matrix diagonalization procedure (CDP), the optical spectra and g factor of CaF2:Co2+ were explained from the local structure of the impurities. The local structure was shown to have collapse effects, but remain an eight-coordinate cubic symmetry. In addition, the dependence of the g factor on the crystal splitting parameter Dq was discussed by the perturbation method (PTM) and CDP. The third order perturbation formula proposed by Macfarlane was shown to be a good approximation, but its validity became worse with decreasing Dq. At last, the applicability of the g formulae constructed on the basis of CDP and spin Hamiltonian theory, together with the difficulties in the case of orbital degeneration, were discussed.
%K 晶体场
%K 顺磁g因子
%K 光学和磁学性质
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=1A3C8C6E452BD1AF5A6B6B99BA3989C9&aid=53C740B6AAECA51F7EDAA055BDB0C7CD&yid=67289AFF6305E306&vid=C5154311167311FE&iid=0B39A22176CE99FB&sid=1D01216AD76577EC&eid=80BD0A2EF8664214&journal_id=1000-4556&journal_name=波谱学杂志&referenced_num=0&reference_num=16