期刊
APPLIED PHYSICS LETTERS
卷 102, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4801979
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资金
- Intelligence Advanced Research Projects Activity (IARPA) through the U.S. Army Research Office [W911NF-09-1-0351]
- Maryland NanoCenter
- FabLab
Defects in electronic devices can lead to poor performance and device failure. We used deuterium doping to investigate the source of hydrogen defects in Atomic Layer Deposited (ALD) Al2O3 films and in situ fabrication techniques to produce ultraclean metal-insulator-metal trilayers. We compare leakage current and defect density of ALD Al2O3 dielectrics deposited using different oxidation conditions. The plasma O-2 ALD process has lowest number of entrained defects and exhibits a leakage current 10(4) times lower than the thermal ALD process. Deuterium doping during the ALD process shows that the majority of the hydrogen defects contained in the ALD films are due to entrained water. (C) 2013 AIP Publishing LLC.
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