Wu, Z. Y. ; Benfatto, M. ; Pedio, M. ; Cimino, R. ; Mobilio, S. ; Barman, S. R. ; Maiti, K. ; Sarma, D. D. (1997) Theoretical analysis of X-ray-absorption near-edge fine structure at the O and metal K edges of LaFeO3 and LaCoO3 Physical Review B: Condensed Matter and Materials Physics, 56 (4). pp. 2228-2233. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v56/i4/p2228_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.56.2228
Abstract
We present experimental x-ray-absorption spectra at the oxygen and 3d transition-metal K edges of LaFeO3 and LaCoO3. We interpret the experimental results in terms of detailed theoretical calculations based on multiple-scattering theory. Along with providing an understanding of the origin of various experimental features, we investigate the effects of structural distortions and the core-hole potential in determining the experimental spectral shape. The results indicate that the core-hole potential as well as many-body effects within the valence electrons do not have any strong effect on the spectra suggesting that the spectral features can be directly interpreted in terms of the electronic structure of such compounds.
Item Type: | Article |
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Source: | Copyright of this article belongs to The American Physical Society. |
ID Code: | 46320 |
Deposited On: | 04 Jul 2011 06:51 |
Last Modified: | 17 Jul 2012 16:10 |
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