采用离子注入法研究了Co离子注入ZnO晶体的光致发光效应.对离子注入后的样品在Ar气保护下进行退火处理,退火温度为700℃,退火时间为10 min,在其光致发光谱中观察到了406和370 nm的紫光发射峰.对比了Co,Cu离子分别注入的ZnO晶体的光致发光谱,观测到二者的光致发光谱类似.同时,研究了Co离子注入剂量对样品发光性质的影响,结果表明随注入剂量的增加绿色发光中心逐渐向低能边偏移,分析认为绿色发光中心的偏移与离子注入后ZnO晶体的禁带宽度发生改变相关.
参考文献
| [1] | Bagnall D M,Chen Y F,Zhu Z,et al.Appl Phys Lett,1997,70:2230. |
| [2] | Peng Xinping,Lan Wei.Acta Phys Sin,2004,53:1517(in Chinese).(朋兴平,兰伟.物理学报,2004,53:1517.) |
| [3] | Park J H,Kim M G,Jang H M,et al.Appl Phys Lett,2004,84:1338. |
| [4] | Tuan A C,Bryan J D,Pakhomov A B,et al.Phys Rev,2004,B70:054424. |
| [5] | Prellier W,Fouehet A,Mercey B,et al.Appl Phys Lett,2003,82:3490. |
| [6] | Radovanovic P V,Norberg N S,Mcnally K E.J Am Chem Soc,2002,124:15192. |
| [7] | Dinia A,Schmerber G,Panissod P,et al.J Magn Magn Mater,2005,37:286. |
| [8] | Norton D P,Overberg M E,Pearton S J.Appl Phys Lett,2003,83:5488. |
| [9] | Ueda K,Tabata H,Kawai T.Appl Phys Lett,2001,79:988. |
| [10] | Zhao Z W,Taya B K,Li G P.Appl Phys Lett,2007,90:152502. |
| [11] | Rode K,Anane A,Mattana R.J Appl Phys,2003,93:7676. |
| [12] | Borges R P,Pinto J V.J Magn Magn Mater,2006,316:191.(宋银,张崇宏,王志光.原子核物理评论,2006,23(2):198.) |
| [13] | Song Yin,Zhang Chonghong,Wang Zhiguang.Nuclear Physics Review,2006,23(2):198(in Chinese).(曹萍,李炳辉,张吉英等.发光学报,2006 27:949.) |
| [14] | Zhou Shengqiang,Potzger K,Kuepper K,et al.J Appl Phys,2008,103:07D530. |
| [15] | Zhou Shengqiang,Taulat G,Skorupa W.J Appl Phys,2008,103:043901. |
| [16] | Zhang ZX,AllenJ W.PhysRev,1990,B42:1817. |
| [17] | Zhang B,Wei S H,Zunger A.Phys Rev,2001,B63:75205. |
| [18] | Rao C N,DecpakFL.J MaterChem,2005,15:573. |
| [19] | Shi L X,Shen H,Jiang L Y.Mater Lett,2007,61:4735. |
| [20] | Cao B,Cai W,Zeng H.Appl Phys Lett,2006,88:161101. |
| [21] | Cao Ping,Li Binghui,Zhang Jiying,et al.Chinese Journal of Luminescence,2006,27:949 (in Chinese).(曹萍,李炳辉,张吉英等.发光学报,2006 27:949.) |
| [22] | Kim J,Park R.Appl Phys Lett,2002,81:1420. |
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%