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Cluster-assistant generation of multiply charged atomic ions in nanosecond laser ionization of seeded methyl iodide beam
Luo, XL; Niu, DM; Kong, XL; Wen, LH; Liang, F; Pei, KM; Wang, B; Li, HY; Li HY(李海洋); Li HY(李海洋)
关键词Methyl Iodide Coulomb Explosion Multiply Charged Ions Cluster
刊名CHEMICAL PHYSICS
2005-04-04
DOI10.1016/j.chemphys.2004.09.033
310期:1-3页:17-24
收录类别SCI
文章类型Article
部门归属1
项目归属102
产权排名2;8
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]COULOMB EXPLOSION ; MULTIPHOTON IONIZATION ; MOLECULAR CLUSTERS ; ELECTRON DYNAMICS ; PHOTON IONIZATION ; NUCLEAR-DYNAMICS ; FIELDS ; PHOTODISSOCIATION ; CH3I ; NM
英文摘要The photoionization of methyl iodide beam seeded in argon and helium is studied by time-of-flight mass spectrometry using a 25 ns, 532 nm Nd-YAG laser with intensities in the range of 2 x 10(10)-2 x 10(11) W/cm(2). Multiply charged ions Of Iq+ (q = 2-3) and C2+ with tens of eV kinetic energies have been observed when laser interacts with the middle part of the pulsed molecular beam, whose peak profiles are independent on the laser polarization directions. Strong evidences show that these ions are coming from the Coulomb explosion of multiply charged CH3I clusters, and laser induced inverse bremsstrahlung absorption of caged electrons plays a key role in the formation of multiply charged ions. (C) 2004 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000227421000003
引用统计
被引频次:33[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/321008/93183
专题中国科学院大连化学物理研究所
通讯作者Li HY(李海洋); Li HY(李海洋)
作者单位1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei 230031, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Luo, XL,Niu, DM,Kong, XL,et al. Cluster-assistant generation of multiply charged atomic ions in nanosecond laser ionization of seeded methyl iodide beam[J]. CHEMICAL PHYSICS,2005,310(1-3):17-24.
APA Luo, XL.,Niu, DM.,Kong, XL.,Wen, LH.,Liang, F.,...&李海洋.(2005).Cluster-assistant generation of multiply charged atomic ions in nanosecond laser ionization of seeded methyl iodide beam.CHEMICAL PHYSICS,310(1-3),17-24.
MLA Luo, XL,et al."Cluster-assistant generation of multiply charged atomic ions in nanosecond laser ionization of seeded methyl iodide beam".CHEMICAL PHYSICS 310.1-3(2005):17-24.
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