在晶体场理论的基础上,本文采用半自洽3d轨道模型和3d9电子组态在畸变晶场中的g因子和超精细结构常数A的三阶微扰计算公式,建立了Cu2+:C8N,14O6Zn局域结构与吸收光谱、EPR谱之间的定量关系,统一解释了Cu2+:C8N14O6Zn晶体的吸收光谱和EPR谱,理论结果与实验观测值相符合.
参考文献
| [1] | Wan K L;Zhao M G .Electron paramagnetic resonance of Co2+ compounds[J].Applied Physics,1985,57:3746. |
| [2] | Raju BDP.;Narasimhulu KV.;Gopal NO.;Rao JL. .EPR and optical absorption studies on VO2+ ions in KZnClSO4 center dot 3H(2)O single crystals - an observation of superhyperfine structure[J].The journal of physics and chemistry of solids,2003(8):1339-1347. |
| [3] | Schlafer H L;Gliemann G.Basic Principles of ligand field theory[M].London:Wiley-Interscience,1969 |
| [4] | Satoru S;Yukito T;Hiroshi K.Multiples of transition-metal ionsin crystals[M].New York:Academic Press,Inc,1970 |
| [5] | Zhao M G.Theory of ligand field[M].贵阳:贵州人民出版社,1985 |
| [6] | Zhao M G.The theory of crystal field and EPR[M].北京:科学出版社,1991 |
| [7] | Ohra H;Imagawa S;yamamoto y;Motokawa M .ESP study of CuGeO3[J].Journal of Magnetism and Magnetic Materials,1995,140:1685. |
| [8] | Eremenko V V;Karachevtsev V A .Absorption and luminescence of CsMnCl3@2H2O crystals doped with Cu2+[J].Journal of Luminescence,2001,92:35. |
| [9] | Kripal Ram;Singh D K .ESR and optical study of Cu2+ -doped Bis(L-asparaginato) Zinc(Ⅱ)[J].Journal of Physics and Chemistry of Solids,2006,67:2559. |
| [10] | Zhao M G;Hu Z X;Huang Q Z .Empirical wave function of Cu2+ and its applications[J].Geochemistry,1979,1:44. |
| [11] | Zhao M G;Xu J A;Bai G R et al.D-orbital and high-pressure effects upon the EPR spectrum of ruby[J].Physical Review B:Condensed Matter,1983,27(03):1516. |
| [12] | Macfarlanc R M .Perturbation methods in the calculation of zeeman interactions and magnetic dipole line strengths for d3 trigonal-crystal spectra[J].Physical Review B:Condensed Matter,1970,1(03):989. |
| [13] | Fan Y J .Theoretical studies of the EPR parameters for 3d1 ions in tetragonal octahedral crystals[D].成都:四川大学,2005. |
| [14] | Li F Z;Li Z M;Du M Lu .Perturbation formulae of the g factor for ground state b2g of Cu2+ and its application to crystals Cs2CuCl4 and T2CuBr4[J].Journal of Sichuan Normal University(Natural Science),2002,39(04):767. |
| [15] | Zheng W C .Local tetragonal distortions of the octahedral environment for substituting Cr3+,Mn2+ and Fe2+ ions in Rb2ZnF4 crystals[J].Physica B,1997,233:125. |
| [16] | Chen TH;Wu Y;Luo P .Defect structure of Cu2+ center in K2SO4-Na2SO4-ZnSO4 glasses[J].Radiation Effects and Defects in Solids,2007(9):633-636. |
| [17] | 李福珍,李兆民.NH4I：Cu2+（Ⅱ4）的混合基态EPR g因子的研究[J].原子与分子物理学报,2004(01):59-64. |
| [18] | Chen J J;Du M L;Li Z M .Investigatinn of the zero-field splitting of ds ions in pseudo -tetragonal Ni (Ⅱ) compounds[J].Zeitschrift für Naturforschung Section A-A Journal of Physical Sciences,1994,49:1013. |
| [19] | Du M L;Li Z M;Chen J J .The two spin-orbit coupling perameter model for the zero-field splitting of d3 clusters[J].Acta Physica Sinica,1995,44(10):68. |
| [20] | Huang P.;Ping H.;Zhao MG. .Theoretical examination of optical and EPR spectra for Cu2+ ion in KRdCl4 crystal[J].The journal of physics and chemistry of solids,2003(3):523-525. |
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