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Citation: JIANG Jun, BIAN Jiang, LI Le-Min. Theoretical Assignments of the Optical Conductivity and Energy-loss Function Spectra of EuB₆[J]. Acta Physico-Chimica Sinica, ;2008, 24(01): 1-7. doi: 10.1016/S1872-1508(08)60001-7 shu

Theoretical Assignments of the Optical Conductivity and Energy-loss Function Spectra of EuB₆

1.
Beijing National Laboratory of Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China

Received Date: 21 September 2007
Available Online: 13 November 2007

On the basis of the calculated band structure of EuB6 with a higher accuracy, the optical conductivity and energy-loss function spectra were calculated, and the results were in od agreement with the experiments. All possible interband electronic transitions, the k points in the first Brillouin zone where the transitions took place, and the transition probability were figured out through specific calculations. The wave functions of the initial and final states related to individual transitions were obtained as well. The calculated results were used to analyze, indetail, the correlation between the spectral peaks and the interband electronic transitions. On the basis of this, the experimental spectra were assigned, confirming the reasonable part of the empirical assignments given by Kimura et al. and pointing out the inaccurate part, and also supplying some electronic transitions, which made an important contribution to the spectral peaks, but had not been considered by Kimura et al.
- EuB6,
- Optical conductivity,
- Energy-loss function,
- Spectral assignment
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Theoretical Assignments of the Optical Conductivity and Energy-loss Function Spectra of EuB6

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通讯作者: 陈斌, bchen63@163.com

Theoretical Assignments of the Optical Conductivity and Energy-loss Function Spectra of EuB₆