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1. 天津大学 电信学院
2. 天津职业技术师范大学 电子工程学院, 天津 300222
收稿:2011-02-17,
修回:2011-3-24,
网络首发:2011-09-22,
纸质出版:2011-09-22
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王光伟, 姚素英, 肖夏, 徐文慧. 快速热退火对Co/Si<sub>0.85</sub>Ge<sub>0.15</sub>肖特基结电学特性的影响[J]. 发光学报, 2011,32(9): 924-928
WANG Guang-wei, YAO Su-ying, XIAO Xia, XU Wen-hui. Effects of Rapid Thermal Annealing on The Physical and Electrical Properties of Co/Sputtered-Si<sub>1-<em>x</em></sub>Ge<sub><em>x</em></sub> Schottky Junction[J]. Chinese Journal of Luminescence, 2011,32(9): 924-928
王光伟, 姚素英, 肖夏, 徐文慧. 快速热退火对Co/Si<sub>0.85</sub>Ge<sub>0.15</sub>肖特基结电学特性的影响[J]. 发光学报, 2011,32(9): 924-928 DOI:
WANG Guang-wei, YAO Su-ying, XIAO Xia, XU Wen-hui. Effects of Rapid Thermal Annealing on The Physical and Electrical Properties of Co/Sputtered-Si<sub>1-<em>x</em></sub>Ge<sub><em>x</em></sub> Schottky Junction[J]. Chinese Journal of Luminescence, 2011,32(9): 924-928 DOI:
用离子束溅射技术分别在SiO
2
和单晶Si衬底上沉积了Si
1-
x
Ge
x
和Co薄膜。在不同温度下
对Co/Si
1-
x
Ge
x
肖特基结进行快速热退火处理(RTA)
对处理后的样品进行了表面形貌和电学测量。发现退火温度升高
样品表面粗糙度变大
理想因子也变大
但对肖特基势垒高度(SBH)的影响很小。分析认为
随着退火温度的升高
金属/半导体界面缺陷态密度的增加是造成理想因子变大的主要原因。界面态对费米能级的
&
quot;钉扎
&
quot;以及固相反应生成锗硅化钴与Co的功函数大致相同
是SBH基本不随温度变化的主要因素。
paper
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