利用电注入着色装置,分别使用点阴极与平板阳极和点阳极与平板阴极在不同条件下对溴化钾晶体进行电注入着色.点阴极注入时,在着色晶体中产生V色心和F色心,计算得到F色心激活能0.84 eV.点阳极注入时,在着色晶体中产生V色心,计算得到V色心激活能0.49 eV.对着色晶体进行系统的光谱测量,确定色心光谱吸收带的光谱参数.对比两种情况下测得的电流～时间关系曲线,解释其色心形成机理.
参考文献
| [1] | Kurobori T;Sakai T;Aoshima S .A narrow band, green-red colour centre laser in LiF fabricated by femtosecond laser pulses[J].Physica Status Solidi, A. Applied Research,2007(3):699-705. |
| [2] | A. P. Voitovich;M. V. Voitikova;V. S. Kalinov;E. F. Martynovich;A. N. Novikov;L. P. Runets;A. P. Stupak;R. M. Montereali;G. Baldacchini .AGGREGATE COLOR CENTER FORMATION PROCESSES IN LITHIUM FLUORIDE CRYSTALS AFTER IRRADIATION[J].Journal of Applied Spectroscopy,2011(6):857-868. |
| [3] | 宋翠英.点阳极电注入氯化钠晶体光谱特性及机理[J].人工晶体学报,2013(04):643-646. |
| [4] | S. ORLANDO;S. C. LANGFORD;J. T. DICKINSON .Generation of color centers in alkali halide single crystals using ultrafast laser pulses[J].Journal of optoelectronics and advanced materials,2010(3):707-710. |
| [5] | 宋翠英,顾洪恩.溴化钾晶体电注入着色临界温度及机理[J].人工晶体学报,2008(03):583-586. |
| [6] | 宋翠英,顾洪恩,吴艳茹,韩莉.溴化钾晶体电注入着色和光谱特性[J].光谱学与光谱分析,2005(07):1017-1020. |
| [7] | Gu, HG;Liu, J;Qin, F;Wang, F;Chen, WW .Electrolytic coloration and spectral properties of OH--doped KBr polycrystals[J].Physica, B. Condensed Matter,2009(16):2305-2308. |
| [8] | Gomes L.;Morato SP. .RESONANT OH- PHOTODISSOCIATION IN ALKALI HALIDE CRYSTALS[J].Physical Review.B.Condensed Matter,1997(14):8743-8754. |
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