THE BREMSSTRAHLUNG ISOCHROMAT SPECTRA OF D(0) TRANSITION-METAL OXIDES

被引:9
|
作者
SORIANO, L
ABBATE, M
ALDERS, D
SANZ, JM
机构
[1] CATHOLIC UNIV NIJMEGEN,6525 ED NIJMEGEN,NETHERLANDS
[2] UNIV GRONINGEN,CTR MAT SCI & ENGN,9747 AG GRONINGEN,NETHERLANDS
关键词
THIN FILMS; INSULATORS; ELECTRONIC BAND STRUCTURE; CRYSTAL AND LIGAND FIELDS; X-RAY AND GAMMA-RAY SPECTROSCOPIES;
D O I
10.1016/0038-1098(94)90372-7
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We present and discuss the bremsstrahlung isochromat spectra (BIS) of four d0 transition-metal oxides, namely ZrO2, HfO2, Nb2O5, and Ta2O5. The spectra are related to the density of unoccupied states in the conduction band. They give directly the magnitude of the crystal-field splitting and the dispersion of the metal-d bands. The trends observed in the spectra are discussed and compared to those found in the O 1s x-ray absorption spectra (XAS) of the same materials.
引用
收藏
页码:551 / 554
页数:4
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