1988
DOI: 10.1002/pssa.2211100227
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Charge injection into SiO2 films at fields between 1 and 3 MV cm−1 after electrical stress

Abstract: SiO, films on monocrystalline silicon substrates are stressed a t fields up to 10 MVcm-l. After stress currents in the field range below 4 MVcm-1 with current densities of A om-, t o larger than A cm-z are observed. From experimental results about current-time behaviour and simultaneously measured flatband voltage-time behaviour it is concluded t h a t the stress generated currents are caused by tunnel injection of electrons (and possibly also holes) into trap clusters within the interface regions of the SiO, … Show more

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