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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. 89, 082908 (2006) , “Negative oxygen vacancies in HfO2 as charge traps in high-k stacks”, J. L. Gavartin, D. Muñoz Ramo, A. L. Shluger, G. Bersuker, and B. H. LeeThe optical excitation and thermal ionization energies of oxygen vacancies in m-HfO2 are calculated using a non-local density functional theory with atomic basis sets and periodic supercell. The thermal ionization energies of negatively charged V and... (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)
- 4. J. Appl. Phys. 98, 053707 (2005) , “An asymmetry of conduction mechanisms and charge trapping in thin high-k HfxTiySizO films”, A. Paskaleva, A. J. Bauer, M. LembergerThe electrical behavior of high-permittivity (high-k) hafnium titanium silicate (HfxTiySizO) layers with different Hf:Ti ratios in the films is investigated. The films were deposited by metal-organic chemical-vapor deposition using a... (Read more)
- 5. Microelectron. Reliability 45, 71 (2005) , “A comprehensive model of PMOS NBTI degradation ”,Negative bias temperature instability has become an important reliability concern for ultra-scaled Silicon IC technology with significant implications for both analog and digital circuit design. In this paper, we construct a comprehensive model for NBTI phenomena within the framework of the standard reaction–diffusion model. We demonstrate how to solve the reaction–diffusion equations in a way that emphasizes the physical aspects of the degradation process and allows easy generalization of the existing work. We also augment this basic reaction–diffusion model by including the temperature and field-dependence of the NBTI phenomena so that reliability projections can be made under arbitrary circuit operating conditions. (Read more)
- 6. Appl. Phys. Lett. 82, 269 (2003) , “Relationship between interfacial nitrogen concentration and activation energies of fixed-charge trapping and interface state generation under bias-temperature stress condition”,The influence of nitrogen concentration at a nitrided oxide/silicon interface on the activation energies of both near-interface fixed-charge trapping and interface state generation caused by negative bias temperature instability stress has been studied quantitatively. It is observed that the charge... (Read more)
- 7. Appl. Phys. Lett. 81, 1839 (2002) , “Dual behavior of H+ at Si–SiO2 interfaces: Mobility versus trapping”, S. N. Rashkeev, D. M. Fleetwood, R. D. Schrimpf, S. T. PantelidesWe report first-principles calculations showing that protons in the vicinity of a SiSiO2 interface can behave in two different ways. At an abrupt interface without suboxide bonds (SiSi bonds at the oxide side of the interface) H+ does not become trapped but migrates... (Read more)
- 8. Mater. Res. Soc. Symp. Proc. 573, 107 (1999) , “ELECTRICAL AND OPTICAL STUDY OF CHARGE TRAPS AT PASSIVATED GaAs SURFACES”, Y. Mochizuki
- 9. J. Non-Cryst. Solids 239, 16-48 (1998) , “Optically active oxygen-deficiency-related centers in amorphous silicon dioxide”, Linards SkujaThe spectroscopic properties, structure and interconversions of optically active oxygen-deficiency-related point defects in vitreous silica are reviewed. These defects, the E′-centers (oxygen vacancies with a trapped hole or 3-fold-coordinated silicons), different variants of diamagnetic... (Read more)GeO2 SiO2| EPR PL gamma-irradiation optical-spectroscopy| 0.5-1.0eV 1.0eV~ 1H 2.0eV~ 3.0eV~ 4.0eV~ 5.0eV~(larger) Chlorine E' E'-alpha E'-betha E'-delta E'-gamma Germanium H(I) H(II) Hydrogen ODC ODC(I) ODC(II) OHC Oxygen POR Silicon amorphous dangling-bond dielectric interstitial pair(=2) surface triplet vacancy | last update: Takahide Umeda
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Updated at 2010-07-20 16:50:39
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