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- 26. 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)
- 27. Appl. Phys. Lett. 81, 2397-2399 (2002) , “Hydrogen redistribution induced by negative-bias-temperature stress in metal–oxide–silicon diodes”, Ziyuan LiuPoly-Si/SiO2/Si diodes in which oxides were grown thermally under wet oxidation conditions and subsequently treated by a post-oxidation anneal (POA) have been characterized electrically and chemically before and after applying negative-bias-temperature stress (NBTS). It was confirmed that... (Read more)
- 28. Appl. Phys. Lett. 80, 4753-4755 (2002) , “Characterization of S centers generated by thermal degradation in SiO2 on (100)Si”, A. Stesmans, B. Nouwen, D. Pierreux, and V. V. Afanas'evThe structural degradation of thermal SiO2 on (100)Si under isochronal vacuum annealing in the range Tan = 950 °C1250 °C was monitored by electron spin resonance (ESR) in terms of point defect creation, including... (Read more)
- 29. Appl. Phys. Lett. 80, 1945-1947 (2002) , “Density of states of Pb1 Si/SiO2 interface trap centers”, J. P. Campbell and P. M. LenahanThe electronic properties of the (100) Si/SiO2 interfacial defect called Pb1 are quite controversial. We present electron spin resonance measurements that demonstrate: (1) that the Pb1 defects have levels in the silicon band gap, (2) that... (Read more)
- 30. Appl. Phys. Lett. 80, 1261-1263 (2002) , “Hole trapping in ultrathin Al2O3 and ZrO2 insulators on silicon”, V. V. Afanas'ev and A. StesmansOptical injection of electron-hole pairs in 35 nm thick layers of SiO2, Al2O3, ZrO2 and their stacks on (100)Si is found to result in positive oxide charging, suggesting trapping of holes. In thin layers of the high-permittivity metal oxides... (Read more)
- 31. Appl. Phys. Lett. 78, 1453-1454 (2001) , “Response to "Comment on `Do Pb1 centers have levels in the Si band gap? Spin-dependent recombination study of the Pb1 "hyperfine spectrum" ' " [Appl. Phys. Lett. 78, 1451 (2001)]”, Tetsuya D. Mishima and Patrick M. LenahanWe recently published a letter in which we utilized spin-dependent recombination (SDR) measurements to demonstrate that Pb1 centers, silicon dangling-bond defects at the (001) Si/SiO2 interface, have electronic levels in the silicon band gap.1 In their comment on our... (Read more)
- 32. Jpn. J. Appl. Phys. 40, 2840 (2001) , “Spin-Dependent Trap-Assisted Tunneling Current in Ultra-Thin Gate Dielectrics”,We have characterized the leakage current paths of ultra-thin gate dielectrics using spin-dependent tunneling (SDT) spectroscopy. A spin-dependent current was detected in metal-oxide-semiconductor diodes with chemical-vapor-deposition SiN gate films with thickness less than 3 nm. We examined the nature of the trap sites in terms of g-value, bias-dependent signal intensity, and magnetic-field orientation dependence. The main feature of the observed spectrum is attributed to a paramagnetic Si site in the SiN films. By using a quantitative model of electron spin-polarization, we were able to estimate the ratio of trap-assisted current to the total leakage current. (Read more)
- 33. Appl. Phys. Lett. 76, 3771-3773 (2000) , “Do Pb1 centers have levels in the Si band gap? Spin-dependent recombination study of the Pb1 "hyperfine spectrum"”, Tetsuya D. Mishima and Patrick M. LenahanThe electronic properties of the (001) Si/SiO2 Pb1 defect are the subject of considerable controversy. We present spin-dependent recombination results which indicate most strongly that the Pb1 centers have levels in the Si band gap. Our... (Read more)
- 34. Mater. Res. Soc. Symp. Proc. 573, 107 (1999) , “ELECTRICAL AND OPTICAL STUDY OF CHARGE TRAPS AT PASSIVATED GaAs SURFACES”, Y. Mochizuki
- 35. J. Vac. Sci. Technol. B 16, 2134-2153 (1998) , “What can electron paramagnetic resonance tell us about the Si/SiO2 system?”, P. M. Lenahan, J. F. Conley, Jr.Electron paramagnetic resonance (EPR) measurements of Si/SiO2 systems began over 30 years ago. Most EPR studies of Si/SiO2 systems have dealt with two families of defects: Pb centers and E centers. Several variants from each group have... (Read more)BPSG PSG Si SiO2| EDMR EPR electric-field-effect electrical-meas. etching gamma-irradiation| 10B 11B 1H 29Si 2D 31P BOHC Boron Deuterium E' E'-delta H(I) Hydrogen Nb Nitrogen Oxygen P1 P2 P4 POHC Pb Pb0 Pb1 Phosphorus Silicon amorphous complex(=3) dangling-bond device dielectric interface pair(=2) | last update: Takahide Umeda
- 36. Appl. Phys. Lett. 61, 2887-2889 (1992) , “Identification of an interface defect generated by hot electrons in SiO2”, J. H. Stathis and D. J. DiMariaHot electrons in the gate dielectric (SiO2) of field effect transistors create defects at the Si/SiO2 interface. Using electrically detected magnetic resonance, we have identified a major component of these interface defects as the well-known Pb0 center. We... (Read more)
- 37. IEEE Trans. Nucl. Sci. 37, 1650-1657 (1990) , “Spin dependent recombination: A 29Si hyperfine study of radiation-induced Pb centers at the Si/SiO2 interface”, M. A. Jupina , P. M. Lenahan
- 38. Phys. Rev. B 41, 12354-12357 (1990) , “Negative-charge state of hydrogen in silicon”, J. Zhu, N. M. Johnson, and C. HerringIt is demonstrated that hydrogen can migrate in silicon as a negatively charged species (H-). The evidence is the combined observation of a strong electric-field dependence in the rate of removal of PH complexes during bias-temperature stress of hydrogenated Schottky-barrier diodes and... (Read more)
- 39. Appl. Phys. Lett. 49, 348-350 (1986) , “Interface traps and Pb centers in oxidized (100) silicon wafers”, G. J. Gerardi, E. H. Poindexter, P. J. Caplan, N. M. JohnsonThe band-gap energy distribution of Pb centers on oxidized (100) Si wafers has been determined and compared with interface electrical trap density Dit. Two different Pb centers are observed on (100) Si: Pb0,... (Read more)
- 40. Appl. Phys. Lett. 44, 96-98 (1984) , “Paramagnetic trivalent silicon centers in gamma irradiated metal-oxide-silicon structures”, P. M. Lenahan and P. V. DressendorferWe find that two paramagnetic ``trivalent silicon'' centers appear to be primarily responsible for radiation damage in metal-oxide-silicon structures. Applied Physics Letters is copyrighted by The American Institute of Physics. ... (Read more)
- 41. J. Appl. Phys. 56, 2844-2849 (1984) , “Electronic traps and Pb centers at the Si/SiO2 interface: Band-gap energy distribution”, E. H. Poindexter, G. J. Gerardi, M. -E. Rueckel, P. J. Caplan, N. M. Johnson, D. K. BiegelsenEnergy distribution of Pb centers (·SiSi3) and electronic traps (Dit) at the Si/SiO2 interface in metal-oxide-silicon (MOS) structures was examined by electric-field-controlled electron paramagnetic resonance (EPR)... (Read more)
- 42. Appl. Phys. Lett. 41, 542-544 (1982) , “Effect of bias on radiation-induced paramagnetic defects at the silicon-silicon dioxide interface”, P. M. Lenahan and P. V. DressendorferElectron spin resonance measurements have been made on gamma-irradiated (111) Si/SiO2 structures as a function of bias across the oxide. We observe a large change in the density of radiation-induced paramagnetic Pb centers with bais. We conclude that... (Read more)
- 43. Phys. Rev. Lett. 7, 240 (1961) , “Splitting of Electron Spin Resonance Lines by an Applied Electric Field”, G. W. Ludwig and H. H. WoodburyNuclei or paramagnetic irons in many solids occupy sites which lack inversion symmetry. Bloembergen has recently called attention to the possibility of observing shifts, proportional to the applied electric field ε, in the energy levels of such systems. Consistent with Bloembergen's ideas,Kushida... (Read more)
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