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题名: Cluster-assistant multiply ionization of acetonitrile by nanosecond laser
作者: Shao, SY;  Li, HY;  Luo, XL;  Xiao, X;  Niu, DM;  Wen, LH;  Wang, B;  Liang, F;  Hou, KY
关键词: acetonitrile ;  cluster ;  coulomb explosion ;  multiply charged ion
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 2005-10-01
DOI: 10.3866/PKU.WHXB20051010
卷: 21, 期:10, 页:1113-1116
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The photoionization of acetonitrile seeded in helium is studied by time-of-flight mass spectrometry using a 25 ns, 1064 mn Nd:YAG laser with intensity near 10(11) W center dot cm(-2). Multiply charged ions of Nq+(q=1 similar to 5)f1J Cq+ (q =1 similar to 4)(sic)C(q+)with hundreds of eV have been observed under laser beam irradiation with the densest portion of the pulsed molecular beam. An electron re-scattering and re-colliding ionization model is proposed to explain the generation of those multiply charged clusters under such low laser intensity.
关键词[WOS]: SEEDED BENZENE BEAM ;  CARBON-IONS ;  WAVELENGTH DEPENDENCE ;  MULTICHARGED IONS ;  GENERATION ;  FIELDS
语种: 英语
WOS记录号: WOS:000232814500010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139621
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Shao, SY,Li, HY,Luo, XL,et al. Cluster-assistant multiply ionization of acetonitrile by nanosecond laser[J]. ACTA PHYSICO-CHIMICA SINICA,2005,21(10):1113-1116.
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