Defect Structure of the NiS2 Disulphide-Reference-Cited by-同舟云学术

Defect Structure of the NiS2 Disulphide

Published:2014-06-01 Issue:3 Volume:33 Page:245-251
ISSN:2191-0324
Container-title:High Temperature Materials and Processes
language:
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Author:

Poczekajlo A.¹,Grzesik Z.¹,Mrowec S.¹

Affiliation:

1. 1Department of Physical Chemistry and Modelling, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, 30-059 Krakow, Poland

Abstract

AbstractDefect structure of NiS2 disulphide has been studied using marker technique and sulphidation rate measurements of NiS to NiS2, as a function of temperature and sulphur vapor pressure. It has been found that cation sublattice of the discussed compound is predominantly disordered and the prevailing defects are doubly ionized interstitial cations and quasi-free electrons. Using kinetic results, the self-diffusion coefficient of cations in NiS2 has been calculated basing on Wagner's theory of metal oxidation.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/downloadpdf/journals/htmp/33/3/article-p245.xml

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