Observation of phonons with resonant inelastic x-ray scattering.
نویسندگان
چکیده
Phonons, the quantum mechanical representation of lattice vibrations, and their coupling to the electronic degrees of freedom are important for understanding thermal and electric properties of materials. For the first time, phonons have been measured using resonant inelastic x-ray scattering (RIXS) across the Cu K-edge in cupric oxide (CuO). Analyzing these spectra using an ultra-short core-hole lifetime approximation and exact diagonalization techniques, we can explain the essential inelastic features. The relative spectral intensities are related to the electron-phonon coupling strengths.
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ورودعنوان ژورنال:
- Journal of physics. Condensed matter : an Institute of Physics journal
دوره 22 48 شماره
صفحات -
تاریخ انتشار 2010