Based on the completely parametric crystal-field model, the energy level parameters, including free-ion parameters and crystal-field parameters, obtained by fitting the experimental energy level data sets of Ln3+ in LiYF4 were systematically analyzed. The results revealed that the regular variation trends of the major parameters at relatively low site symmetry still existed. Theg factors of ground states were calculated using the parameters obtained from least-squares fitting. The results for Ce3+, Nd3+, Sm3+, Dy3+ and Yb3+ were in good agreement with experiment, while those of Er3+ deviated from experiment dramatically. Further study showed that theg factors depended strongly onB6 4, and a slightly differentB6 4 value of?580 cm?1 led tog factors agreeing well with the experi-mental values.
参考文献
| [1] | Duan, C.-K.;Tanner, P.A..What use are crystal field parameters? A chemist's viewpoint[J].The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory,201019(19):6055-6062. |
| [2] | Hu, L.;Reid, M.F.;Duan, C.-K.;Xia, S.;Yin, M..Extraction of crystal-field parameters for lanthanide ions from quantum-chemical calculations[J].Journal of Physics. Condensed Matter,20114(4):045501-1-045501-8. |
| [3] | Jun Wen;Lixin Ning;Chang-Kui Duan.A Theoretical Study on the Structural and Energy Spectral Properties of Ce~(3+) Ions Doped in Various Fluoride Compounds[J].The journal of physical chemistry, C. Nanomaterials and interfaces,201238(38):20513-20521. |
| [4] | 王育华;朱革;辛双宇;王倩;李艳艳;吴泉生;王闯;王希成;丁鑫;耿婉莹.Recent development in rare earth doped phosphors for white light emitting diodes[J].稀土学报（英文版）,2015(1):1-12. |
| [5] | 刘丽莎;陈昊鸿;刘必秋;张辉;唐彬;冯贤娟;孙志嘉;赵景泰.Synthesis, structureandluminescentpropertiesofanewVernierphaseLu7O6F9 doped by Eu3+as potential scintillator with unique lath tube architecture[J].稀土学报（英文版）,2014(8):686-690. |
| [6] | 吴辉;苑菲菲;孙士家;黄溢声;张莉珍;林州斌;王国富.Growth and spectral characteristics of a new promising stoichiometric laser crystal：Ca9Yb(VO4)7[J].稀土学报（英文版）,2015(3):239-243. |
| [7] | van Pieterson L.;Reid MF.;Wegh RT.;Soverna S.;Meijerink A..4f(n)-> 4f(n)-(1)5d transitions of the light lanthanides: Experiment and theory - art. no. 045113[J].Physical Review.B.Condensed Matter,20024(4):5113-0. |
| [8] | van Pieterson L.;Reid MF.;Burdick GW.;Meijerink A..4f(n)-> 4f(n)-15d transitions of the heavy lanthanides: Experiment and theory - art. no. 045114[J].Physical Review.B.Condensed Matter,20024(4):5114-0. |
| [9] | Ogasawara K;Watanabe S;Toyoshima H;Ishii T;Brik MG;Ikeno H;Tanaka I.Optical spectra of trivalent lanthanides in LiYF4 crystal[J].International Journal of Quantum Chemistry,20052(2):412-418. |
| [10] | Wells JPR.;Han TPJ.;Gallagher HG.;Honda M.;Yamaga M..Polarized laser excitation, electron paramagnetic resonance, and crystal-field analyses of Sm3+-doped LiYF4[J].Physical Review.B.Condensed Matter,19996(6):3849-3855. |
| [11] | dos Santos MAC.;Gesland JY.;Krupa JC. Lemaitre-Blaise M.;Percher P.;Antic-Fidancev E..Absorption and fluorescence of Er3+-doped LiYF4: measurements and simulation[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,19980(0):435-441. |
| [12] | de Leebeeck H.;Gorller-Walrand C..The simulation of polarised absorption and magnetic circular dichroism in LiYF4 : Nd3+[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,19980(0):407-411. |
| [13] | Barnes N.P.;Allen R.E..Room temperature Dy:YLF laser operation at 4.34 mu m[J].IEEE Journal of Quantum Electronics: A Publication of the IEEE Quantum Electronics and Applications Society,19912(2):277-282. |
| [14] | Walsh BM;Grew GW;Barnes NP.Energy levels and intensity parameters of Ho3+ ions in GdLiF4, YLiF4 and LuLiF4[J].Journal of Physics. Condensed Matter,200548(48):7643-7665. |
| [15] | Wegh RT.;Meijerink A.;Lamminmaki RJ.;Holsa J.;Donker H..VACUUM-ULTRAVIOLET SPECTROSCOPY AND QUANTUM CUTTING FOR GD3+ IN LIYF4[J].Physical Review.B.Condensed Matter,199721(21):13841-13848. |
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