L(II,III) NEAR-EDGE STUDY OF TETRAVALENT PR-OXIDES - PRBAO3 AND PRO2

Authors
DUMSCHAT J WARTMANN G FELNER I
Citation
J. Dumschat et al., L(II,III) NEAR-EDGE STUDY OF TETRAVALENT PR-OXIDES - PRBAO3 AND PRO2, Physica. B, Condensed matter, 209(1-4), 1995, pp. 313-315
Citations number
7
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
209
Issue
1-4
Year of publication
1995
Pages
313 - 315
Database
ISI
SICI code
0921-4526(1995)209:1-4<313:LNSOTP>2.0.ZU;2-M
Abstract
The X-ray absorption near-edge structure (XANES) at the Pr-L(II,III) t hresholds was studied for tetravalent PrBaO3 and PrO2. The XANES spect ra of both systems exhibit typical double-peaked ''white-line'' struct ures with substructures reflecting the different oxygen coordination i n PrBaO3 and PrO2. These substructures are best visualized by the seco nd derivative of the XANES spectra. We observe also characteristic dif ferences between the respective L(II)- and L(III)-edge spectra.