Title

Crystalline Phase (Na2O · 8TeO2) Formed During Heat-Treatment of Na2O-TeO2 System

Abstract

A new crystallin phase with the composition of Na2O·8TeO2(NT8) was found in the Na2O-TeO2 system and the formation and decomposition of this new crystalline phase was explored. The NT8 crystalline phase is stable at 330°C or below, and decomposes to Na2O·4TeO2 and TeO2 at temperatures higher than 330-340°C. A modification to the phase diagram of the Na2O-TeO2 system was proposed according to this research.

Department(s)

Materials Science and Engineering

Keywords and Phrases

New crystalline phase; Phase diagram; Sodium tellurite; Decomposition; Heat treatment; Phase diagrams; Sodium compounds; Tellurium compounds; Formation

International Standard Serial Number (ISSN)

1000-324X

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

Chinese

Language 2

English

Rights

© 2002 Science Press, All rights reserved.

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