A New Methodology for Characterizing the Progressive BD of Hfo2/Sio2 Metal Gate Stacks
; Carloni, Stefania ; Kirsch, Paul ; Krishnan, Siddarth ; Young, Chadwin ; Choi, Rino ; Bersuker, Gennadi ; Stathis, James Otros responsables
Fecha
12/2008
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IOP Publishing
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ECS Transactions
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ISSN
1938-5862
eISSN
1938-6737
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Resumen
Dielectric breakdown (BD) of nFETs with TiN metal gates and HfO2 / interfacial layer with 1.09 nm EOT is studied. Occurrence of progressive BD at low current levels is demonstrated. A new measurement methodology for the characteristic growth time and its dependence on gate voltage are reported.2 / interfacial layer with 1.09 nm EOT is studied. Occurrence of progressive BD at low current levels is demonstrated. A new measurement methodology for the characteristic growth time and its dependence on gate voltage are reported.
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