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题名: Covariance analysis of the Coulomb explosion of ammonia induced by intense nanosecond laser at 532 nm
作者: Niu, DM;  Li, HY;  Liang, F;  Wen, LH;  Luo, XL
通讯作者: 李海洋
关键词: laser ionization ;  ammonia ;  multi-charged nitrogen ions ;  Coulomb explosion ;  correlation coefficient ;  time of flight mass spectrometry
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2005-09-01
DOI: 10.1360/982004-804
卷: 50, 期:18, 页:2115-2117
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;2
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: The Coulomb explosion of ammonia clusters induced by nanosecond laser at 532 not with an intensity of similar to 10(12) Wcm(-2) has been studied by time of flight mass spectrometry. The dominant multiply charged ions are N3+ and N2+ with kinetic energies of 110 and 50 eV respectively. The electrons generated from the multiphoton ionization are heated through inverse bremsstrahlung by the laser field when colliding with neutral or ionic particles. When their energies surpass the corresponding ionization potentials of the molecules or ions, the subsequent electron impact ionization may take place thus resulting in multi-charged nitrogen ions. Covariance analysis is made to study the possible pathways of the Coulomb explosion.
关键词[WOS]: MULTIELECTRON DISSOCIATIVE IONIZATION ;  SEEDED BENZENE BEAM ;  MULTIPLE IONIZATION ;  CLUSTERS ;  DYNAMICS ;  ELECTRON ;  FIELD ;  IONS ;  PULSES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000233353700026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93177
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.Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
2.Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Niu, DM,Li, HY,Liang, F,et al. Covariance analysis of the Coulomb explosion of ammonia induced by intense nanosecond laser at 532 nm[J]. CHINESE SCIENCE BULLETIN,2005,50(18):2115-2117.
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