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- 1. Appl. Phys. Lett. 89, 122112 (2006) , “Interface states for HfO2/Si structure observed by x-ray photoelectron spectroscopy measurements under bias”, Osamu Maida, Ken-ichi Fukayama, Masao Takahashi, Hikaru Kobayashi, Young-Bae Kim, Hyun-Chul Kim, and Duck-Kyun ChoiA 1.0 nm silicon nitride (SiN) layer can prevent reaction between HfO2 and Si completely. In this case, the interface state spectra obtained from x-ray photoelectron spectroscopy measurements under bias have two peaks above and below the midgap, attributable to Si dangling bonds... (Read more)
- 2. Appl. Phys. Lett. 88, 182903 (2006) , “Effects of Al addition on the native defects in hafnia”, Q. Li, K. M. Koo, W. M. Lau, P. F. Lee, J. Y. Dai, Z. F. Hou, X. G. GongTwo occupied native defect bands are experimentally detected in pure HfO2. The density of states of band one in the middle of the band gap reduces drastically with the Al addition, while that of band two slightly above the valence-band maximum remains rather unaffected. We attribute the... (Read more)
- 3. Appl. Phys. Lett. 87, 062105 (2005) , “Negative-U property of oxygen vacancy in cubic HfO2”, Y. P. Feng, A. T. L. Lim, M. F. LiOxygen vacancy in cubic HfO2 was investigated using first-principles calculation based on density functional theory and generalized gradient approximation. Five different charge states (V++, V+, V0, V, and... (Read more)
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Updated at 2010-07-20 16:50:39
Updated at 2010-07-20 16:50:39
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Bond(35 tags)
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