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Relationship between Doping and Ordering (1/3and 1/2Types) in A(B2+B5+)O3and A(B3+B6+)O3Systems

 

作者: Qiang Wang,   Han Rushan,   Z. Z. Gan,  

 

期刊: Journal of the American Ceramic Society  (WILEY Available online 1992)
卷期: Volume 75, issue 10  

页码: 2881-2882

 

ISSN:0002-7820

 

年代: 1992

 

DOI:10.1111/j.1151-2916.1992.tb05523.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

The Madelung energies of A2+(B1/32+B2/35+) O32‐and A2+(B2/33+B1/36+) O32‐systems were calculated for different dopants on the A‐site. The theoretical results show that the higher‐valence dopant enhances the 1/2‐type (1:1) ordered arrangement of B‐site cations in A2+(B1/32+B2/32+)O32‐, whereas the lower‐valence dopant promotes the 1:1 ordering in A2+(B2/33+B1/36+)O32‐, and no doping promotes the 1/3‐type (1:2) ordering in the both systems. These calculation results are in agreement with the experimental observations of donor‐ and accep

 

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