Solubility Limits of Ceria-Zirconia-Lanthana Solid-Solutions

Zenab Abbas, Mythili Surendran, P. A. Anjana, P. K. Jidev, Harshini Dasari, N. Sudhakar Naidu, S. Anandhan, K. Udaya Bhat, G. Uday Bhaskar Babu, Hari Prasad Dasari

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We demonstrate, the solubility limits of Ceria-Zirconia-Lanthana (CZLa) solid-solutions with the increase in heat-treatment temperature from 600°C to 1300°C. CZLa nano-crystalline samples were successfully synthesized by EDTA-Citrate complex method and were characterized by Raman Spectroscopy (RS) and Transmission Electron Microscopy (TEM) analysis. With an increase in temperature, it is noticed that the solubility limit is decreased in CZLa system. At 600°C, a very good solubility is observed in CZLa system and is confirmed from RS analysis. At higher heat-treatment temperatures (1000 and 1300°C), with an increase in La content, Zr precipitated in the CZLa system and is confirmed from RS analysis. The reason for such kind of behavior in this CZLa system is clearly explained in this work.

Original languageEnglish
Pages (from-to)9360-9364
Number of pages5
JournalMaterials Today: Proceedings
Volume4
Issue number9
DOIs
Publication statusPublished - 01-01-2017
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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