The Theoretical Calculation of Elastic Constants and Phonon Dispersion Curves of Ca0.86Sr0.14CuO2 |
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| Authors: | Yao-Ming MU Rui-Bao TAO |
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| Affiliation: | 1. Department of Physics, Fudan University, Shanghai 200433, China;2. Center of Theoretical Physics, CCAST (World Laboratory), Beijing 100080, China |
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| Abstract: | ![]()
The lattice dynamical properties of Ca0.86Sr0.14CuO2 are studied with a shell model. Its elastic constants and phonon dispersion curves are predicted. The calculated optical mode frequencies in Γ point are in reasonable agreement with infrared spectra, except an Azu symmetry mode around 180 cm-1. Our calculated results can serve as guide for further experimental investigation. |
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