New Expression of the Chemical Bond in Perovskite-Type Oxides |
| Journal |
Materials Science Forum (Volumes 561 - 565) |
| Volume |
PRICM 6 |
| Edited by |
Young Won Chang, Nack J. Kim and Chong Soo Lee |
| Pages |
1823-1826 |
| DOI |
10.4028/www.scientific.net/MSF.561-565.1823 |
| Online since |
October, 2007 |
| Authors |
Y. Shinzato, Yuki Saito, Hiroshi Yukawa, Masahiko Morinaga, Takeshi Baba, Hiromi Nakai |
| Abstract |
A new expression for the chemical bond in perovskite-type oxides is proposed based on the
atomization energy concept. The atomization energies, Eo for oxygen atom and EM for metal
atom in each oxide are evaluated theoretically using the energy density analysis of the total energy,
and the 9EO vs. 9EM diagram called atomization energy diagram, is constructed. Every oxide can
be located on the atomization energy diagram, although there are significant differences in the
nature of the chemical bond among the oxides. |
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