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Multiple ionization of diethyl ether cluster by nanosecond laser: generation of multiply charged ions and the electron energy distribution
Zhang Na-Zhen1,2; Cang Huai-Wen1; Wang Wei-Guo1; Miao Shu-Yi1; Jin Feng1,2; Wu Qing-Hao1,2; Hua Lei1,2; Li Hai-Yang1
关键词Multiply Charged Ions Electron Energy Nanosecond Laser Diethyl Ether Cluster
刊名ACTA PHYSICA SINICA
2009-07-01
58期:7页:4556-4562
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
关键词[WOS]COULOMB EXPLOSION ; WAVELENGTH DEPENDENCE ; MULTICHARGED IONS ; METHYL-IODIDE ; INTENSE ; METHANOL ; FIELD ; BEAM ; DISSOCIATION ; BENZENE
英文摘要The interaction of diethyl ether clusters and laser was studied at laser intensity of 10(11) W/cm(2) using 5 its, 1064 nm laser pulses. Multiply charged ions O(6+) and C(4+) were observed and the ratio of O(6+)/C(4+) nearly kept constant in the range of laser intensity studied. The energy distribution of electrons ejected was measured via retarding potential method. At the laser intensity of 4.0 x 10(11) W/cm(2), the mean electron energy of 56 eV and the maximum electron energy of 102 eV were observed. It indicates that the multiply charged ions are mainly produced from energetic electron impact ionization. In addition, our calculated results show that the screening effect inside cluster can significantly decrease the ionization potentials of multiply charged ions, thus facilitating the ionization especially at low laser intensity. The above results further support our three stage model of "multiphoton ionization ignition-inverse bremsstrahlung heating-electron impact ionization".
语种英语
WOS记录号WOS:000268263700028
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141383
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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GB/T 7714
Zhang Na-Zhen,Cang Huai-Wen,Wang Wei-Guo,et al. Multiple ionization of diethyl ether cluster by nanosecond laser: generation of multiply charged ions and the electron energy distribution[J]. ACTA PHYSICA SINICA,2009,58(7):4556-4562.
APA Zhang Na-Zhen.,Cang Huai-Wen.,Wang Wei-Guo.,Miao Shu-Yi.,Jin Feng.,...&Li Hai-Yang.(2009).Multiple ionization of diethyl ether cluster by nanosecond laser: generation of multiply charged ions and the electron energy distribution.ACTA PHYSICA SINICA,58(7),4556-4562.
MLA Zhang Na-Zhen,et al."Multiple ionization of diethyl ether cluster by nanosecond laser: generation of multiply charged ions and the electron energy distribution".ACTA PHYSICA SINICA 58.7(2009):4556-4562.
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