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Formation of the Pore Structure of Tantalum and Niobium Powders during Magnesiothermic Reduction of Lithium Tantalate and Lithium Niobate

Formation of the Pore Structure of Tantalum and Niobium Powders during Magnesiothermic Reduction... We have studied characteristic features of the reduction of single-crystal lithium tantalate and lithium niobate powders with magnesium vapor in the temperature range 1023–1123 K. The results demonstrate that the reduction of single-crystal particles is accompanied by their spontaneous mechanical disintegration. The presence of Li2O in the double oxides has not led to an increase in the specific surface area of the metallic powders obtained. Li2O has been completely reduced in the final stage of the process, without contributing to an increase in the number of pores in the structure of the powder particles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Inorganic Materials Springer Journals

Formation of the Pore Structure of Tantalum and Niobium Powders during Magnesiothermic Reduction of Lithium Tantalate and Lithium Niobate

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References (17)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2020
ISSN
0020-1685
eISSN
1608-3172
DOI
10.1134/S0020168520080117
Publisher site
See Article on Publisher Site

Abstract

We have studied characteristic features of the reduction of single-crystal lithium tantalate and lithium niobate powders with magnesium vapor in the temperature range 1023–1123 K. The results demonstrate that the reduction of single-crystal particles is accompanied by their spontaneous mechanical disintegration. The presence of Li2O in the double oxides has not led to an increase in the specific surface area of the metallic powders obtained. Li2O has been completely reduced in the final stage of the process, without contributing to an increase in the number of pores in the structure of the powder particles.

Journal

Inorganic MaterialsSpringer Journals

Published: Sep 21, 2020

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