利用射频磁控溅射技术在Si(111)衬底上制备Ga2O3/BN薄膜,在氨气中退火合成了大量的一维GaN纳米棒.用X射线衍射(XRD)、选区电子衍射(SAED)、傅立叶红外透射谱(FTIR)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和光致发光谱(PL)对样品的晶体结构、元素成分、形貌特征和光学特性进行了分析.结果表明:GaN纳米棒为六方纤锌矿结构的单晶相,其直径在150 nm~400 nm左右,长度可达几十微米.室温下光致发光谱的测试发现了较强的372nm处的强紫外发光峰和420nm处的蓝色发光峰.
参考文献
[1] | Nakamura S .The roles of structural imperfections in Science[J].,1998,281:956-961. |
[2] | 张立德;牟秀美.纳米材料和纳米结构[M].北京:科学出版社,2001:14. |
[3] | Morales A M;Lieber C M .[J].Science,1998,279:208. |
[4] | Cheng G S;Chen S H;Zhu X G .[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2000,286:165. |
[5] | Duan XF.;Lieber CM. .Laser-assisted catalytic growth of single crystal GaN nanowires[J].Journal of the American Chemical Society,2000(1):188-189. |
[6] | Shi WS.;Wang N.;Lee CS.;Lee ST.;Zheng YF. .Microstructures of gallium nitride nanowires synthesized by oxide-assisted method[J].Chemical Physics Letters,2001(5-6):377-380. |
[7] | He Maoqi;Minus Indira;Zhou Piezhen et al.[J].Applied Physics Letters,2000,77(23):3731. |
[8] | Boo Jin-Hyo;Rohr Carsten;Ho Wilson .[J].Journal of Crystal Growth,1998,189/190:439. |
[9] | 魏芹芹,薛成山,孙振翠,曹文田,庄惠照.氨化Si基Ga2O3/Al2O3制备GaN薄膜[J].稀有金属材料与工程,2005(02):312-315. |
[10] | 庄惠照,高海永,薛成山,董志华.ZnO/Ga2O3膜的氨化温度对制作硅基GaN纳米材料的影响[J].稀有金属材料与工程,2005(01):73-76. |
[11] | Sun Yong;Miyasato Tatsuro .[J].Journal of Applied Physics,1998,84(11):6451. |
[12] | Laidani N;Capelletti R;Elena M et al.[J].Thin Solid Films,1993,223(01):114. |
[13] | Demichelis F;Crovini G;Pirri C F et al.[J].Thin Solid Films,1994,241(1-2):274. |
[14] | Monemar B .[J].PHYSICAL REVIEW,1974,B10:676. |
[15] | Bae SY.;Seo HW.;Park J.;Yang H.;Kim B. .Porous GaN nanowires synthesized using thermal chemical vapor deposition[J].Chemical Physics Letters,2003(3-4):445-451. |
[16] | 张昊翔,叶志镇,卢焕明,赵炳辉.硅基GaN外延层的光致发光谱[J].半导体光电,1999(02):120-122. |
[17] | Zhang L D;Wang X F;Liang C H et al.[J].Journal of Chemical Physics,2001,115:5714. |
[18] | Liu J;Meng X M;Jiang Y et al.[J].4ppl Phys Lett,2003,83:4241. |
[19] | Chen X;Li J;Cao Y et al.[J].Advanced Materials,2000,12:1432. |
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%