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- 1. Appl. Phys. Lett. 93, 072102 (2008) , AIP , “Broadband electrically detected magnetic resonance of phosphorus donors in a silicon field-effect transistor”, L. H. Willems van Beveren, H. Huebl, D. R. McCamey, T. Duty, A. J. Ferguson, R. G. Clark, and M. S. BrandtWe report electrically detected magnetic resonance of phosphorus donors in a silicon field-effect transistor. An on-chip transmission line is used to generate the oscillating magnetic field allowing broadband operation. At millikelvin temperatures, continuous wave spectra were obtained up to 40 ... (Read more)
- 2. Appl. Phys. Lett. 91, 133507 (2007) , “Identification of atomic-scale defect structure involved in the negative bias temperature instability in plasma-nitrided devices”, J. P. Campbell, P. M. Lenahan, A. T. Krishnan, and S. KrishnanWe utilize a very sensitive electron spin resonance technique called spin-dependent tunneling to identify defect centers involved in the negative bias temperature instability in plasma-nitrided p-channel metal-oxide-silicon field-effect transistors. The defect's 29Si hyperfine... (Read more)
- 3. Appl. Phys. Lett. 90, 123502 (2007) , “Observation of negative bias stressing interface trapping centers in metal gate hafnium oxide field effect transistors using spin dependent recombination”,The authors combine metal oxide semiconductor (MOS) gated diode measurements and very sensitive electrically detected electron spin resonance measurements to detect and identify negative bias temperature instability (NBTI) generated defect centers in fully processed HfO2 pMOS field effect... (Read more)
- 4. Appl. Phys. Lett. 87, 204106 (2005) , “Direct observation of the structure of defect centers involved in the negative bias temperature instability”, J. P. Campbell and P. M. LenahanWe utilize a very sensitive electron paramagnetic resonance technique called spin-dependent recombination to observe and identify defect centers generated by modest negative bias and moderately elevated temperatures in fully processed p-channel metal-oxide-silicon field-effect transistors.... (Read more)
- 5. Appl. Phys. Lett. 84, 3406-3408 (2004) , “Structure of 6H silicon carbide/silicon dioxide interface trapping defects”, David J. Meyer, Nathaniel A. Bohna, and Patrick M. LenahanWe utilize spin-dependent recombination (SDR) to observe deep level trap defects at or very near the interface of 6H silicon carbide and the SiO2 gate dielectric in SiC metal-oxide-semiconductor field effect transistors. The SDR response is strongly correlated to SiC/SiO2... (Read more)
- 6. 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)
- 7. 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)
- 8. 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)
- 9. 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
- 10. 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)
- 11. 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
- 12. IEEE Trans. Nucl. Sci. 36, 1800-1807 (1989) , “A spin dependent recombination study of radiation induced defects at and near the Si/SiO2 interface”, M. A. Jupina , P. M. Lenahan
- 13. Semicond. Sci. Technol. 4, 1045-1060 (1989) , “Spin-dependent and localisation effects at Si/SiO2 device interfaces”, B. Henderson , M. Pepper , R. L. Vranch
- 14. Appl. Phys. Lett. 44, 228-230 (1984) , “Optically induced electron spin resonance and spin-dependent recombination in Si/SiO2”, B. HendersonIn state-of-the-art Si/SiO2 wafers the concentration of paramagnetic interface states (1010 cm2) is almost too low to be detected by electron spin resonance (ESR). This letter describes experiments which show that the ESR signal of singly occupied dangling bond... (Read more)
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