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在不同的衬底温度下,采用磁控溅射方法在蓝宝石(0001)衬底上制备了外延生长的ZnO薄膜.采用原子力显微镜(AFM)、X射线衍射仪(XRD)、可见-紫外分光光度计系统研究了衬底温度对ZnO薄膜微观结构和光学特性的影响.AFM结果表明在不同村底温度制备的ZnO薄膜具有较为均匀的ZnO晶粒,且晶粒的尺寸随衬底温度的增加逐渐增大.XRD结果显示不同温度生长的ZnO薄膜均为外延生长,400℃生长的薄膜具有最好的结晶质量;光学透射谱显示在370nm附近均出现一个较陡的吸收边,表明制备的ZnO薄膜具有较高的质量,其光学能带隙随着衬底温度的增加而减小.

参考文献

[1] Bagnall DM;Chen YF;Zhu Z;Yao T;Koyama S;Shen MY;Goto T .Optically pumped lasing of ZnO at room temperature[J].Applied physics letters,1997(17):2230-2232.
[2] Oh B Y;Jeong M C;Moon T H et al.[J].Journal of Applied Physics,2006,99:124505.
[3] Bernede J C;Berrediem Y;Cattin L et al.[J].Applied Physics Letters,2008,92:083304.
[4] Hur TB;Hwang YH;Kim HK;Park HL .Study of the structural evolution in ZnO thin film by in situ synchrotron x-ray scattering[J].Journal of Applied Physics,2004(3):1740-1742.
[5] Liu H F;Chua S J;Hu G X et al.[J].Journal of Applied Physics,2007,102:083529.
[6] Suvorova N A;Usov I O;Stan L et al.[J].Journal of Applied Physics,2008,92:141911.
[7] Liu C;Chang S H;Noh T W et al.[J].Applied Physics Letters,2007,90:011906.
[8] WeiX H;Li Y R;ZhuJ et al.[J].Appl Phys Lert,2007,90:151518.
[9] Wang Y G;Lau S P;Lee H W et al.[J].Journal of Applied Physics,2003,94(03):1597-1603.
[10] Dong B Z;Fang G J;Wang J F et al.[J].Journal of Applied Physics,2007,101:033713.
[11] Li Z Q;Zhang D X;Lin J J .[J].Journal of Applied Physics,2006,99:124906.
[12] Srikant V.;Clarke DR. .OPTICAL ABSORPTION EDGE OF ZNO THIN FILMS - THE EFFECT OF SUBSTRATE[J].Journal of Applied Physics,1997(9):6357-6364.
[13] Fouchet A;Prellier W;Mercey B;Mechin L;Kulkarni VN;Venkatesan T .Investigation of laser-ablated ZnO thin films grown with Zn metal target: A structural study[J].Journal of Applied Physics,2004(6):3228-3233.
[14] Fouehet A;Prellier W;Mercey B .[J].Journal of Applied Physics,2006,100:013901.
[15] Lu J G;Fujita S;Kawaharamura T et al.[J].Journal of Applied Physics,2007,101:083705.
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