Effects of plasma immersion ion nitridation on dielectric properties of HfO2
Effects of plasma immersion ion nitridation on dielectric properties of HfO2
复制标题
等离子体浸没离子氮化对HfO2介电性能的影响
DOI:
10.1063/1.2715044
复制
发表时间:
2007-03
期刊:
影响因子:
--
通讯作者:
P. K. Chu
中科院分区:
文献类型:
--
作者:
K. Xue;J. B. Xu;A. P. Huang;P. K. Chu
Plasma immersion ion nitridation is used to produce thin HfO2 films with improved thermal and electrical properties. The film composition is investigated by examining the chemical shifts of the Hf 4f, Si 2p, and N 1s core-level spectra using x-ray photoelectron spectroscopy. The improved thermal stability and interfacial microstructure are further confirmed by high-resolution cross-sectional transmission electron microscopy. Electrical studies show an equivalent oxide thickness of about 1.25nm, a negligible hysteresis of about 5mV, and a low fixed charge density.
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DOI:
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期刊:
--
影响因子:
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通讯作者:
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