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Hydrogen and deuterium incorporation and transport in hafnium-based dielectric films on silicon

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Hydrogen and deuterium incorporation and transport in hafnium-based dielectric films on silicon

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Título Hydrogen and deuterium incorporation and transport in hafnium-based dielectric films on silicon
Autor Pezzi, Rafael Peretti
Miotti, Leonardo
Bastos, Karen Paz
Soares, Gabriel Vieira
Driemeier, Carlos Eduardo
Baumvol, Israel Jacob Rabin
Punchaipetch, P.
Pant, Gaurang
Gnade, Bruce E.
Wallace, Robert M.
Rotondaro, Antonio L.P.
Visokay, J.M.
Chambers, Jim J.
Colombo, Luigi
Abstract Hydrogen and deuterium incorporation into nitrided and non-nitrided hafnium silicate films on Si during thermal annealing in 1H- and 2H-containing atmospheres was investigated. 1H profiling was accessed by means of nuclear resonant reaction profiling, whereas 2H incorporation was quantified by nuclear reaction analysis. The effects of preannealing in different atmospheres and temperatures were determined, as well as the losses of 1H and 2H from these structures during postannealing in vacuum. The results reveal a rather uniform depth distribution of incorporated 1H, in striking contrast with previous studies on hydrogen in silicon oxide and oxynitrides and hafnium oxide films on Si. These results are discussed in terms of the defects present in each one of the structures studied here.
Contido em Applied physics letters. Vol. 85, no. 16 (Oct. 2004), p. 3540-3542
Assunto Física
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/141322
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