Electron band structure of C_(60) single crystal has been investigated using synchrotron radiation.On the cleaved(111)surface of the C_(60) single crystal the angle-resolved ultraviolet photoelectron spectra were meas...Electron band structure of C_(60) single crystal has been investigated using synchrotron radiation.On the cleaved(111)surface of the C_(60) single crystal the angle-resolved ultraviolet photoelectron spectra were measured at normal emission with varying photon energy from 12.7 to 28.2eV.The valence band dispersions in L-r-L direction were successfully observed.The dispersions are 0.14 and 0.17eV for the highest occupied molecular orbitals(HOMO)and HOMO-1 derived band respectively.展开更多
基金Supported by the National Natural Science Foundation of China,No.19234010.
文摘Electron band structure of C_(60) single crystal has been investigated using synchrotron radiation.On the cleaved(111)surface of the C_(60) single crystal the angle-resolved ultraviolet photoelectron spectra were measured at normal emission with varying photon energy from 12.7 to 28.2eV.The valence band dispersions in L-r-L direction were successfully observed.The dispersions are 0.14 and 0.17eV for the highest occupied molecular orbitals(HOMO)and HOMO-1 derived band respectively.
