1s2p resonant inelastic x-ray scattering in α-Fe2O3

被引：70
作者：
Caliebe, WA
Kao, CC
Hastings, JB
Taguchi, M
Uozumi, T
de Groot, FMF
机构：
[1] Brookhaven Natl Lab, Natl Synchrotron Light Source Dept, Upton, NY 11973 USA
[2] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 106, Japan
[3] Osaka Prefecture Univ, Coll Engn, Sakai, Osaka 593, Japan
[4] Univ Groningen, Solid State Phys Lab, NL-9747 AG Groningen, Netherlands
来源：
PHYSICAL REVIEW B | 1998年 / 58卷 / 20期
关键词：
D O I：
10.1103/PhysRevB.58.13452
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report experimental and theoretical results on the Fe K edge x-ray absorption spectrum and 1s2p resonant inelastic x-ray scattering (RIXS) spectra in alpha-Fe2O3. The results are interpreted using an FeO69- cluster model with intra-atomic multiplet coupling and interatomic covalency hybridization. The 1s2p RIXS is treated as a coherent second-order optical process. It is shown that the double-peak structure in the pre-edge region of Fe K absorption spectrum is due to the cubic crystal-held splitting, and that the intensity of the e(g) (t(2g)) component in the 1s2p resonant inelastic spectrum is enhanced by tuning the incident photon energy to the e(g) (t(2g)) component in the absorption spectrum. [SO163-1829(98)08443-4].
引用
收藏
页码：13452 / 13458
页数：7
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