Influence of the Structure of a-SiOxNy Thin Films on Their Electrical Properties

Amorphous silicon oxynitride thin films with composition varying from silicon nitride to silicon oxide were deposited by rf sputtering of a silicon target under different argon–oxygen–nitrogen atmospheres. The FTIR and XPS investigations revealed the presence of a mixture of SiO2, Si3N4 and a‐SiOxNy...

Full description

Saved in:
Bibliographic Details
Published in:Plasma processes and polymers 2007-04, Vol.4 (S1), p.S59-S63
Main Authors: Rebib, Farida, Tomasella, Eric, Aida, Salah, Dubois, Marc, Bêche, Eric, Cellier, Joel, Jacquet, Michel
Format: Article
Language:English
Subjects:
dielectric properties
SiOxNy
structure
thin films
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Amorphous silicon oxynitride thin films with composition varying from silicon nitride to silicon oxide were deposited by rf sputtering of a silicon target under different argon–oxygen–nitrogen atmospheres. The FTIR and XPS investigations revealed the presence of a mixture of SiO2, Si3N4 and a‐SiOxNy phases. The structural defects were identified and quantified by means of ESR analysis which showed the presence of silicon dangling bonds on decreasing the density which subsequently increases the oxygen content. C–V and I–V measurements were carried out on Pt‐SiOxNy‐Pt type structures. Permittivity and conductivity values were found to be dependent on both film composition and structure. The conductivity values were found to be low.
ISSN:1612-8850
1612-8869
DOI:10.1002/ppap.200730403