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Abstract:
使用多晶CuAlO2陶瓷靶,利用射频磁控溅射法沉积Cu-Al-O薄膜.傅立叶变换红外光谱显示薄膜中存在与CuAlO2相关的Cu-O,Al-O和O-Cu-O键.在可见光范围内Cu-Al-O薄膜具有较好的透过性,衬底温度为400℃~500℃时薄膜透过率在60%~70%之间,计算拟合得到Cu-Al-O薄膜的直接和间接带隙能分别为3.52 eV和1.83 eV左右,与多晶CuAlO2薄膜结果一致.在近室温区薄膜符合半导体热激活导电机制,其电导率随衬底温度的升高先增大后减小,500℃沉积的薄膜导电性较好,室温电导率达到2.36×10-3 S·cm-1,这可能源于Cu-Al-O薄膜中与CuAlO2相关的键合形成情况的改善.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2007
Issue: z1
Volume: 36
Page: 921-924
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:3
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WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 6
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30 Days PV: 0
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