用浮区法生长得到了宽禁带半导体材料β-Ga2O3单晶,对其吸收光谱、荧光光谱进行了分析.解释了禁带部分展宽的原因.并研究了Sn4+和Ti4+的掺杂对其紫外吸收边影响.β-Ga2O3单晶的荧光谱不仅观察到了3个特征峰:紫外光(395nm)、蓝光(471nm)、绿光(559nm),还观察到了在277和297nm的紫外光和692nm的红光荧光发射.
参考文献
[1] | Tippins H H .[J].Physical Review A,1965,316:140. |
[2] | Orita M.;Hirano M.;Hosono H.;Ohta H. .Deep-ultraviolet transparent conductive beta-Ga2O3 thin films[J].Applied physics letters,2000(25):4166-4168. |
[3] | Villora EG;Shimamura K;Aoki K;Ichinose N .Reconstruction of the beta-Ga2O3 (100) cleavage surface to hexagonal GaN after NH3 nitridation[J].Journal of Crystal Growth,2004(3/4):462-468. |
[4] | Park Y J;Oh C S et al.[J].Journal of Crystal Growth,2004,264:1-6. |
[5] | Tomm Y.;Klimm D.;Fukuda T.;Reiche P. .Czochralski grown Ga2O3 crystals[J].Journal of Crystal Growth,2000(4):510-514. |
[6] | Chase A B .[J].Journal of the American Ceramic Society,1964,47:470. |
[7] | Garton G;Smith S H;Wanklyn B M .[J].Journal of Crystal Growth,1972,13(14):588. |
[8] | Villora EG;Shimamura K;Yoshikawa Y;Aoki K;Ichinose N .Large-size beta-Ga2O3 single crystals and wafers[J].Journal of Crystal Growth,2004(3/4):420-426. |
[9] | Ueda N;Hosono H;Waseda R;Kawazoe H;TOKYO INST TECHNOL MAT & STRUCT LAB TOKYO 152 JAPAN. .Synthesis and control of conductivity of ultraviolet transmitting beta-Ga2O3 single crystals[J].Applied physics letters,1997(26):3561-3563. |
[10] | Villora E G;Yamaga M et al.[J].Japanese Journal of Applied Physics,2002,41:1622-1625. |
[11] | Binet L;Gourier D .[J].Applied Physics Letters,2000,77:1138-1140. |
[12] | Binet L.;Gourier D. .Origin of the blue luminescence of beta-Ga2O3[J].The journal of physics and chemistry of solids,1998(8):1241-1249. |
[13] | Harwig T;Kellendonk F et al.[J].Journal of Physics and Chemistry of Solids,1978,39:675-680. |
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%