采用 LEC 方法研制出掺锌(100) GaSb 单晶;用霍尔测量法算出的锌掺杂浓度计算得出锌的有效分凝系数 keff 约为 0.84±0.01,沿晶体生长方向随着锌浓度的提高,位错密度缓慢增加,数值约为 (2~3.2)×103cm-2,当掺锌浓度大于 3×1019cm-3 以后, GaSb 发生简并,载流子浓度随掺锌浓度的增加缓慢提高.采用重掺锌母合金作掺杂剂,可减少锌的损失,较好地控制掺杂浓度.
参考文献
[1] | Caneau C;Srigastava A K;Dentai A G .[J].Electronics Letters,1985,21:815. |
[2] | Eglash S J;Choi H K;Turner G W .[J].Journal of Crystal Growth,1991,111:669. |
[3] | Astles M;Hill A;Williams A J .[J].Journal of Electronic Materials,1986,15:41. |
[4] | Hilsum C;Rees H D .[J].Electronics Letters,1970,6:277. |
[5] | Bowers J E;Srivastava A K;Burrus C A .[J].Electronics Letters,1986,22:137. |
[6] | Zyskind J L;Burrus C A;Caneau C .[J].SPIE,1986,722:200. |
[7] | Frass L M.Photovol.Sci.Eng[A].,1990 |
[8] | Stepanek B;Zestakova V .[J].Thermochimica Acta,1992,209:285. |
[9] | Meulen Y J .[J].Journal of Physics and Chemistry of Solids,1961,28:25. |
[10] | Allred W P.Compound Semiconductors,Vol.1,Eds.Willardson R K and Goering H L[M].New York,1962 |
[11] | Sunder W A;Barns R L;Kometani T Y .[J].Journal of Crystal Growth,1986,78:9. |
[12] | Ohmori Y;Sugii K;Akai S .[J].Journal of Crystal Growth,1982,60:79. |
[13] | Migazawa S;Kondo S;Naganumas M .[J].Journal of Crystal Growth,1980,49:670. |
[14] | Sestakova V;Stepanek B .[J].Thermochimica Acta,1992,198:213. |
[15] | Chin A K;Bonner W A .[J].Applied Physics Letters,1982,40:248. |
[16] | Doerschel J;Geissler U .[J].Journal of Crystal Growth,1992,121:781. |
[17] | Quang N V;Kumagawa M K .[J].Japanese Journal of Applied Physics,1981,20:817. |
[18] | Stepanek B;Jourek Z;Sestakova V .[J].Journal of Crystal Growth,1994,135:290. |
[19] | Polyakov A Y;Pearton S J;Wilson R G .[J].Applied Physics Letters,1992,60:1318. |
[20] | Georgitse E I;Ivanov-Omskiy V I;Masterov V F .[J].Fizika i Tekhnika Poluprovodnikov,1991,25:1589. |
[21] | Sestakova W;Hubik P;Stepanek B .[J].Journal of Crystal Growth,1993,132:345. |
[22] | Plaza JL.;Mendez B.;Piqueras J.;Castano JL.;Dieguez E.;Hidalgo P. .Effect of Er dopant in GaSb bulk crystals grown by vertical Bridgman technique[J].Journal of Crystal Growth,1999(Pt.1):379-383. |
[23] | Allred W P;Bate R T .[J].Journal of the Electrochemical Society,1961,108:258. |
[24] | Kumagawa M;Asable Y;Yamada S .[J].Journal of Crystal Growth,1977,41:245. |
[25] | Katsui A;Uemura .[J].Japanese Journal of Applied Physics,1980,19:318. |
[26] | Cockayne B;Steward V W;Brown G T .[J].Journal of Crystal Growth,1982,56:267. |
[27] | Moravec F;Sestakova V;Stepanek B .[J].Crystal Research and Technology,1989,24:275. |
[28] | Jakowetz W;Ruhle K;Bre uninger K .[J].Physica Status Solidi A,1972,2:169. |
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%