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- 1. Appl. Phys. Lett. 89, 112903 (2006) , “Effect of impurities on the fixed charge of nanoscale HfO2 films grown by atomic layer deposition”, Raghavasimhan Sreenivasan, Paul C. McIntyre, Hyoungsub Kim, and Krishna C. SaraswatHfO2 films were grown by atomic layer deposition using two different precursor chemistriesHfCl4 and tetrakis(diethylamido)hafnium (TDEAH) with H2O as the oxidant. Electrical measurements on capacitor structures fabricated using the films showed a 0.4 V... (Read more)
- 2. Appl. Phys. Lett. 89, 092902 (2006) , “Charge trapping in nitrided HfSiO gate dielectric layers”, G. Vellianitis, Z. M. Rittersma, and J. PétryThe effects of HfSiO nitridation on charge trapping and long-term dielectric reliability are investigated. A comparison between decoupled plasma nitridation, annealing in NH3, and no nitridation is made. It was found that thinner HfSiO layers show less trapped charge. Decoupled plasma... (Read more)
- 3. 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)
- 4. Appl. Phys. Lett. 83, 3407-3409 (2003) , “Electron spin resonance observation of trapped electron centers in atomic-layer-deposited hafnium oxide on Si”, A. Y. Kang, P. M. Lenahan, J. F. Conley Jr.We observed two paramagnetic defects in thin films of HfO2 on silicon with electron spin resonance. Both appear after photoinjecting electrons into the dielectric. Strong spectroscopic evidence links one spectrum to an O2-" align="middle"> defect. A second spectrum is... (Read more)
- 5. Appl. Phys. Lett. 81, 1128-1130 (2002) , “Electron spin resonance study of interface defects in atomic layer deposited hafnium oxide on Si”, A. Y. Kang, P. M. Lenahan, J. F. Conley Jr., R. SolankiWe report electron spin resonance (ESR) observation of interface defects at the HfO2/(111)Si boundary for HfO2 films deposited via atomic layer chemical vapor deposition using Hf(NO3)4 as a precursor. We observe several signals, dominated by one due to a... (Read more)
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Updated at 2010-07-20 16:50:39
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