本文利用吸收光谱法、光致发光光谱法和拉曼光谱法对中子辐照的α-Al2O3进行研究.吸收光谱表明,中子辐照除产生F2、F2+、F2+2和F3色心外,还能产生[Al-O]3-色心,它对应着325 nm和638 nm两个吸收峰,且具有较低的热稳定性,经300℃退火后消失.光致发光谱法除了检测到F2、F2+和F2+2色心对应的发光峰外,还检测到625nm和657 nm发光峰.625 nm发光峰可能对应着高剂量中子辐照下特有的发光中心.657 nm发光峰是经800℃处理后唯一存在的发光峰,它可能来自于反位铝缺陷(AlO).此外,拉曼光谱显示该剂量的中子辐照不能导致明显的拉曼峰频移和展宽.
参考文献
| [1] | 杨卫桥,徐军,邓佩珍,干福熹,周永宗,李抒智.a面白宝石单晶的温度梯度法生长及缺陷的研究[J].人工晶体学报,2002(04):358-360. |
| [2] | 于旭东,孙广年.蓝宝石晶体的生长方向研究[J].人工晶体学报,2006(02):431-434. |
| [3] | 李真,CHEN Zhen-qiang,陈宝东.泡生法高质量蓝宝石晶体的研究[J].人工晶体学报,2008(04):877-880. |
| [4] | 韦志仁,董国义,李志强,张华伟,王立明,佟鑫刚.水热法合成α-Al2O3晶体[J].人工晶体学报,2002(02):90-93. |
| [5] | 王丹丽,阮永丰,张灵翠,王鹏飞,邱春霞,祝威.氧化铝模板热卷曲问题的研究[J].人工晶体学报,2011(01):124-129,149. |
| [6] | 王珮,孙海滨,白佳海,刘俊成.Al2O3/MgAl2O4共晶陶瓷定向凝固过程固液界面形貌的研究[J].人工晶体学报,2011(05):1252-1257. |
| [7] | 陈兴,杨建,丘泰.Al2O3加入量对AlN-Al2O3复相陶瓷制备及性能的影响[J].人工晶体学报,2010(06):1422-1428. |
| [8] | K R NAGABHUSHANA;B N LAKSHMINARASAPPA;FOURAN SINGH .Photoluminescence and Raman studies in swift heavy ion irradiated polycrystalline aluminum oxide[J].Bulletin of Materials Science,2009(5):515-519. |
| [9] | Mohanty T.;Mishrab NC.;Singh F.;Bhat SV.;Kanjilal D. .Color center formation in sapphire by swift heavy ion irradiation[J].Radiation measurements,2003(1/6):723-727. |
| [10] | 阳剑,WANG Chun-fen,王春芬,黄宁康,邹萍,汪德志.Cu+离子注入α-Al2O3晶体的光吸收与荧光谱测量[J].四川大学学报(自然科学版),2005(02):315-319. |
| [11] | 宋玉峰,朱智勇,孙友梅,金运范,潘强岩.高能铁离子辐照单晶氧化铝产生的色心研究[J].核技术,2007(02):114-118. |
| [12] | 宋银,谢二庆,王志光,张崇宏,刘延霞,姚存峰,马艺准,刘纯宝,魏孔芳,周丽宏,臧航.退火对Pb辐照Al2O3单晶发光特性的影响[J].发光学报,2008(01):19-22. |
| [13] | 王新练,邹萍,王春芬,阳剑,黄宁康.注入Nb+的蓝宝石晶体退火前后的光学分析[J].原子能科学技术,2006(05):584-587. |
| [14] | 向霞,曾光廷,鲍军委,霍永忠,邬绍轶,王治国,祖小涛.Ni+ 离子注入单晶氧化铝的光学性能研究[J].四川大学学报(工程科学版),2003(03):70-73. |
| [15] | 宋银,张崇宏,王志光,赵志明,姚存峰,周丽宏,金运范.离子注入/辐照引起Al2 O3单晶的改性研究[J].原子核物理评论,2006(02):198-201. |
| [16] | Skuratov VA;Gun KJ;Stano J;Zagorski DL .In situ luminescence as monitor of radiation damage under swift heavy ion irradiation[J].Nuclear Instruments and Methods in Physics Research, Section B. Beam Interactions with Materials and Atoms,2006(1):194-200. |
| [17] | 宋银,谢二庆,张崇宏,周丽宏,李玉红,杨义涛,姚存峰,李炳生,马艺准,缑洁.Xe23+离子辐照Al2O3的光谱特性[J].原子能科学技术,2008(z1):354-357. |
| [18] | 刘健,阮永丰,马鹏飞,李文润,刘昌龙.中子辐照MgO晶体的损伤和恢复[J].人工晶体学报,2005(03):496-499. |
| [19] | 李欣年,方晓明.锗酸铋晶体中子辐照诱导色心的研究[J].上海大学学报(自然科学版),2002(06):535-538. |
| [20] | 方佩莹,李胜华.α-Al2O3晶体的色心[J].中国激光,1990(08):487. |
| [21] | 蒋成勇,周国清,徐军.蓝宝石中子辐照色心的研究[J].光学学报,2005(05):633-637. |
| [22] | 张海亮,张明福,左洪波,韩杰才,钟玉荣,郭怀新.α-Al_2O_3单晶的中子辐照效应研究[J].稀有金属材料与工程,2009(z2):391-394. |
| [23] | 张晋.V：Al2O3的电子及中子辐照改性研究[J].人工晶体学报,1998(03):246. |
| [24] | P.M. Gordo;L Liszkay;Zs. Kajcsos;K. Havancsak;V.A. Skuratov;G. Koegel;P. Sperr;W. Egger;A.P. de Lima;M.F. Ferreira Marques .On The Defect Pattern Evolution In Sapphire Irradiated By Swift Ions In A Broad Fluence Range[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(1):254-256. |
| [25] | Evans B D;Pogatshnik G J;Chen Y .Optical Properties of Lattice Defects in α-Al2O3[J].Nuclear Instruments and Methods in Physics Research B:Beam Interaction with Materials & Atoms,1994,91:258-262. |
| [26] | Ghamdi A Al;Townsend P D .Ion Beam Excited Luminescence of Sapphire[J].Nuclear Instruments and Methods in Physics Research Section B:Beam Interactions With Materials and Atoms,1990,46:133-136. |
| [27] | I. Kh. Abdukadyrova .Effect of Neutron Irradiation on Optical Spectra of Sapphire Crystals[J].Inorganic materials,2008(7):721-725. |
| [28] | Izerrouken, M.;Benyahia, T. .Absorption and photoluminescence study of Al_2O_3 single crystal irradiated with fast neutrons[J].Nuclear Instruments and Methods in Physics Research, Section B. Beam Interactions with Materials and Atoms,2010(19):2987-2990. |
| [29] | 陈军林;李彬 .高能量,大注量中子辐照下α-Al2O3中的F3聚集体色心电子结构及其吸收光谱研究[J].原子与分子物理学报,1999,16(02):211-216. |
| [30] | Levy P W .Color Centers and Radiation-induced Defects in Al2O3[J].Physical Review B:Condensed Matter,1961,123:1226-1233. |
| [31] | Jheeta KS;Jain DC;Kumar R;Singh F;Garg KB .Photoluminescence study of swift heavy ion (SHI) induced defect centers in sapphire[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2006(3):190-192. |
| [32] | Islamov AK;Ibragimova EM;Nuritdinov I .Radiation-optical characteristics of quartz glass and sapphire[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2007(2/3):222-226. |
| [33] | Tanabe T;Fujiwara M;Miyazaki K .Energetic Particle Induced Luminescence of Al2O3[J].Journal of Nuclear Materials,1996,233-237:1344-1348. |
| [34] | Naramoto H;White C W;Williams J M et al.Ion Implantation and Thermal Annealing of α-Al2O3 Single Crystals[J].Journal of Applied Physics,1983,54:683-698. |
| [35] | Zhu W;Pezzotti G .Raman Analysis of Three-dimensionally Graded Stress Tensor Components in Sapphire[J].Journal of Applied Physics,2011,109:073502. |
| [36] | Herd R;Strauch D;Bohnen K P .Ab Initio Lattice Dynamics of Sapphire[J].Physical Review B:Condensed Matter,2000,61(31):8625-8627. |
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