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Analysis of the degradation of HfO2/SiO2 gate stacks using nanoscale and device level techniques

✍ Scribed by L. Aguilera; E. Amat; R. Rodríguez; M. Porti; M. Nafría; X. Aymerich


Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
223 KB
Volume
84
Category
Article
ISSN
0167-9317

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The substitution of the SiO 2 gate oxide in MOS devices by a material with a high-k dielectric constant is being deeply studied nowadays to solve the problem of the leakage currents that appear with the progressive scaling of SiO 2 thickness. To improve the quality of the high-k/Si interface a very