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High Temperature Materials and Processes

Editor-in-Chief: Fukuyama, Hiroyuki

Editorial Board: Waseda, Yoshio / Fecht, Hans-Jörg / Reddy, Ramana G. / Manna, Indranil / Nakajima, Hideo / Nakamura, Takashi / Okabe, Toru / Ostrovski, Oleg / Pericleous, Koulis / Seetharaman, Seshadri / Straumal, Boris / Suzuki, Shigeru / Tanaka, Toshihiro / Terzieff, Peter / Uda, Satoshi / Urban, Knut / Baron, Michel / Besterci, Michael / Byakova, Alexandra V. / Gao, Wei / Glaeser, Andreas / Gzesik, Z. / Hosson, Jeff / Masanori, Iwase / Jacob, Kallarackel Thomas / Kipouros, Georges / Kuznezov, Fedor


IMPACT FACTOR 2018: 0.427
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Open Access
Online
ISSN
2191-0324
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Volume 33, Issue 4

Issues

The Interactions of Carbon and Nitrogen in Liquid Silicon

Halvor Dalaker / Merete Tangstad
Published Online: 2013-11-22 | DOI: https://doi.org/10.1515/htmp-2013-0043

Abstract

The interactions between carbon and nitrogen in liquid silicon have been studied experimentally. High purity silicon was melted in silicon nitride crucibles under an Ar atmosphere with a graphite slab inserted in the crucible prior to melting as a carbon source. The system was thus simultaneously equilibrated with Si3N4 and SiC. Samples were extracted in the temperature range 1695–1798 K and analyzed using Leco.

It was observed that the simultaneous saturation of nitrogen and carbon caused a significant increase in the solubilities of both elements. The interaction parameters were derived as The solubility of carbon in liquid silicon as a function of temperature and nitrogen content was found to follow: And the solubility of nitrogen in liquid silicon found to follow:

Keywords: silicon; termodynamics; interaction coefficients

PACS: 81.05.Bx

About the article

Received: 2013-05-06

Accepted: 2013-10-12

Published Online: 2013-11-22

Published in Print: 2014-08-01


Citation Information: High Temperature Materials and Processes, Volume 33, Issue 4, Pages 363–368, ISSN (Online) 2191-0324, ISSN (Print) 0334-6455, DOI: https://doi.org/10.1515/htmp-2013-0043.

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