科研之友
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摘要
By using a newly implemented high-resolution electron energy loss spectrometer with better resolution, a new loss at a energy near to double energy of the Cs-Ru stretching vibration, and its dependence on Cs coverage for Cs overlayer on Ru (0001) were observed. Since the energy is slightly smaller than the double energy of the Cs-nu vibration (intrinsic loss), overtone excitation must be responsible for this new loss observed, but two-phonon process is not excluded.
- 出版日期1998
- 单位浙江大学
