本文根据第一性原理计算了含电子型色心的钼酸钙晶体的电子结构,计算结果表明钼酸钙晶体中F心和F+心不会在可见光范围内引起吸收,而氧空位的存在使钼酸钙晶体呈现蓝色.
参考文献
| [1] | Yunsheng Hu;Weidong Zhuang;Hongqi Ye .A novel red phosphor for white light emitting diodes[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2005(1/2):226-229. |
| [2] | 胡运生,庄卫东,叶红齐.Luminescent Properties of Samarium Ion in Calcium Molybdate[J].稀土学报（英文版）,2004(06):821-824. |
| [3] | Cavalli E.;Bovero E.;Belletti A. .Optical spectroscopy of CaMoO4 : Dy3+ single crystals[J].Journal of Physics. Condensed Matter,2002(20):5221-5228. |
| [4] | Fujita M et al.Comparative Study of Optical Spectra and Electronic Structures of CaMoO4 and CaWO4 Srystals[J].Physical Status Solidi,2006,243(08):1898-1907. |
| [5] | Mikhailik V B et al.Luminescence Characterisation of CaWO4,ZnWO4 and CaMoO4 Scintillating Crystals under Different Excitations[J].Journal of Applied Physics,2005,97:083523. |
| [6] | Zhang Y.;Williams RT.;Holzwarth NAW. .Electronic band structures of the scheelite materials CaMoO4, CaWO4, PbMoO4, and PbWO4[J].Physical Review.B.Condensed Matter,1998(20):12738-12750. |
| [7] | Yonas B.Abraham et al.Electronic Structure of Oxygen-related Defects in PbWO4 and CaMoO4 Crystals[J].Physical Review B,2001,64:245109-134105. |
| [8] | Kun Wei;Changxin Guo;Jie Deng;Chaoshu Shi .Electronic Structure of CeF_3 Crystal[J].Journal of Electron Spectroscopy and Related Phenomena,1996(0):83-85. |
| [9] | Fujita M;Itoh M;Takagi S;Shimizu T;Fujita N .Comparative study of optical spectra and electronic structures of CaMoO4 and CaWO4 crystals[J].Physica status solidi, B. Basic research,2006(8):1898-1907. |
| [10] | Zhang Qiren;Liu Tingyu;Yan Feinan .V-F and V+K Aggregate Colour Centress:Origin of the Room-temperature 350 nm Absorption Band in PbWO4 Chin[J].Physics Letters,2004,21(06):1131-1134. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%