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- 1. 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)
- 2. J. Appl. Phys. 95, 4096 (2004) , “Nitridation effects on Pb center structures at SiO2/Si(100) interfaces ”,Interfacial defect structures of NO-nitride oxide on Si(100) were characterized by electron spin resonance spectroscopy. We confirmed that the effective g values of the Pb1 center are affected by interfacial nitridation even at a small nitrogen concentration of 5 at. %, while those of the Pb0 center proved to be unchanged. We observed that the shifted Pb1 line appeared gradually with interfacial nitrogen concentration, which suggests that the nitrogen-induced modified structure substitutes for the original Pb1 structure. Angular variations of the shifted Pb1 lines were also significantly different from those of pure oxide. Based on our analysis, we attributed the g value shift of the Pb1 center to dangling bond tilting, caused by the displacement of nearest-neighbor Si atoms. (Read more)
- 3. Appl. Phys. Lett. 82, 3677-3679 (2003) , “Interface defects responsible for negative-bias temperature instability in plasma-nitrided SiON/Si(100) systems”, Shinji Fujieda, Yoshinao Miura, and Motofumi SaitohInterface defects generated by negative-bias temperature stress (NBTS) in an ultrathin plasma- nitrided SiON/Si(100) system were characterized by using D2 annealing, conductance-frequency measurements, and electron-spin resonance measurements. D2 annealing was shown to lower... (Read more)
- 4. 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)
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Updated at 2010-07-20 16:50:39
Updated at 2010-07-20 16:50:39
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