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- 1. 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)
- 2. J. Appl. Phys. 94, 1 (2003) , “Negative bias temperature instability: Road to cross in deep submicron silicon semiconductor manufacturing”,We present an overview of negative bias temperature instability (NBTI) commonly observed in p-channel metaloxidesemiconductor field-effect transistors when stressed with negative gate voltages at elevated temperatures. We discuss the results of such stress on device and circuit... (Read more)
- 3. 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)
- 4. Appl. Phys. Lett. 81, 1818 (2002) , “Interface structures generated by negative-bias temperature instability in Si/SiO2 and Si/SiOxNy interfaces”, J. Ushio, T. Maruizumi, K. Kushida-AbdelghafarWe used a density functional method to investigate the mechanism of negative-bias temperature instability (NBTI) and resultant structural changes of Si/SiO2 and Si/SiOxNy interfaces. The reaction energies for the water- and hydrogen-originated... (Read more)
- 5. Phys. Rev. Lett. 87, 165506 (2001) , “Defect Generation by Hydrogen at the Si-SiO2 Interfaces”, S. N. Rashkeev, D. M. Fleetwood, R. D. Schrimpf, and S. T. PantelidesHydrogen is known to passivate Si dangling bonds at the Si-SiO 2 interface, but the subsequent arrival of H + at the interface causes depassivation of Si-H bonds. Here we report first-principles density functional calculations, showing that, contrary to conventional... (Read more)
- 6. Phys. Rev. Lett. 83, 372 (1999) , “Hydrogen Electrochemistry and Stress-Induced Leakage Current in Silica”, Peter E. Bl?chl and James H. StathisHydrogen-related defects in oxygen-deficient silica, representing the material of a thermal gate oxide, are analyzed using first-principles calculations. Energetics and charge-state levels of oxygen vacancies, hydrogen, and their complexes in the silica framework are mapped out. The neutral hydrogen... (Read more)
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Updated at 2010-07-20 16:50:39
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