Freshly-cleaved HOPG crystals were irradiated with Ni, Zn, Xe and U ions of specific energy 11.4 MeV/u at the linear accelerator UNILAC and with Ne, Cr, Zn, Xe ions (1.4 MeV/u) at the high-charge injector HLI, both fa...Freshly-cleaved HOPG crystals were irradiated with Ni, Zn, Xe and U ions of specific energy 11.4 MeV/u at the linear accelerator UNILAC and with Ne, Cr, Zn, Xe ions (1.4 MeV/u) at the high-charge injector HLI, both facilities are in operation at GSI, Darmstadt. The irradiation with Fe ions was performed at HIRFL (22 MeV/u) of IMP, Lanzhou. All irradiations were performed at room temperature and under beam incidence展开更多
The authors study a generalized thin film equation. Under some assumptions on the initial value, the existence of weak solutions is established by the time-discrete method.The uniqueness and asymptotic behavior of sol...The authors study a generalized thin film equation. Under some assumptions on the initial value, the existence of weak solutions is established by the time-discrete method.The uniqueness and asymptotic behavior of solutions are also discussed.展开更多
文摘Freshly-cleaved HOPG crystals were irradiated with Ni, Zn, Xe and U ions of specific energy 11.4 MeV/u at the linear accelerator UNILAC and with Ne, Cr, Zn, Xe ions (1.4 MeV/u) at the high-charge injector HLI, both facilities are in operation at GSI, Darmstadt. The irradiation with Fe ions was performed at HIRFL (22 MeV/u) of IMP, Lanzhou. All irradiations were performed at room temperature and under beam incidence
基金Project supported by the 973 Project of the Ministry of Science and Technology of China and the National Natural Science Foundation of China (No.10125107)
文摘The authors study a generalized thin film equation. Under some assumptions on the initial value, the existence of weak solutions is established by the time-discrete method.The uniqueness and asymptotic behavior of solutions are also discussed.