Stresses Relaxation Mechanism in the Si-SiO2 System and its Influence on the Interface Properties

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Stresses Relaxation Mechanism in the Si-SiO2 System and its Influence on the Interface Properties

Daniel Kropman
Daniel Kropman Tallinn University
TAnu Laas
TAnu Laas
Viktor Seeman
Viktor Seeman
Artur Medvids
Artur Medvids
DOI

Abstract

The results of the investigation of stresses relaxation by strain by means of EPR spectra, IR absorption spectra, SEM and samples deflection are presented. It has been shown that stresses relaxation mechanism depended on the oxidation condition: temperature, cooling rate, oxide thickness. In the Si-SiO2-Si3N4 system the stresses relaxation by the strain occur due to the opposite sign of the thermal expansion coefficient of Si-SiO2 and Si3N4 on Si. Laser irradiation allows to modify the system stresses.

Stresses Relaxation Mechanism in the Si-SiO2 System and its Influence on the Interface Properties

The results of the investigation of stresses relaxation by strain by means of EPR spectra, IR absorption spectra, SEM and samples deflection are presented. It has been shown that stresses relaxation mechanism depended on the oxidation condition: temperature, cooling rate, oxide thickness. In the Si-SiO2-Si3N4 system the stresses relaxation by the strain occur due to the opposite sign of the thermal expansion coefficient of Si-SiO2 and Si3N4 on Si. Laser irradiation allows to modify the system stresses.

Daniel Kropman
Daniel Kropman Tallinn University
TAnu Laas
TAnu Laas
Viktor Seeman
Viktor Seeman
Artur Medvids
Artur Medvids

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Daniel Kropman. 2017. “. Global Journal of Science Frontier Research – B: Chemistry GJSFR-B Volume 17 (GJSFR Volume 17 Issue B1): .

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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-B Classification: FOR Code: 030599
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Stresses Relaxation Mechanism in the Si-SiO2 System and its Influence on the Interface Properties

Daniel Kropman
Daniel Kropman Tallinn University
TAnu Laas
TAnu Laas
Viktor Seeman
Viktor Seeman
Artur Medvids
Artur Medvids

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