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Comparative study of the electronic structures of SrMO(3) (M = Ti, V, Mn, Fe, and Co; M = Zr, Mo, Ru, and Rh) by O 1s x-ray absorption spectroscopy
- Authors
- Noh, Han-Jin; Kim, B. J.; Oh, S-J; Park, J-H; Lin, H-J; Chen, C. T.; Lee, Y. S.; Yamaura, K.; Takayama-Muromachi, E.
- Issue Date
- 3-Dec-2008
- Publisher
- IOP PUBLISHING LTD
- Citation
- JOURNAL OF PHYSICS-CONDENSED MATTER, v.20, no.48
- Journal Title
- JOURNAL OF PHYSICS-CONDENSED MATTER
- Volume
- 20
- Number
- 48
- ISSN
- 0953-8984
- Abstract
- We obtained O 1s x-ray absorption spectra of perovskite SrMO(3) (M=Zr, Mo, Ru, and Rh) to investigate general trends of the electronic structures of the partially filled 4d compounds in comparison with 3d ones (M = Ti, V, Mn, Fe, and Co). The parameter values for the crystal electric field, 10Dq, and hybridization strength, V(pd), are estimated from the configuration interaction cluster model calculation with full ionic multiplets (CICM), showing a systematic change with the increase of the d electron number. The calculated spectra of the 4d compounds from the CICM show good agreement with the measured spectra in the t(2g) region, but give a considerable deviation in the e(g) region, implying orbitally dependent correlation effects.
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Related Researcher
- Lee, Yun Sang
- College of Natural Sciences (Department of Physics)