DICP OpenIR
Cluster-assisted multiple-ionization of methyl iodide by a nanosecond laser: Wavelength dependence of multiple-charge ions
Wang, Weiguo; Li, Haiyang; Niu, Dongmei; Wen, Lihua; Zhang, Nazhen
KeywordMultiple-charge Ions Nanosecond Laser Methyl Iodide Cluster Inverse Bremsstrahlung
Source PublicationCHEMICAL PHYSICS
2008-09-03
DOI10.1016/j.chemphys.2008.05.016
Volume352Issue:1-3Pages:111-116
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordX-RAY-EMISSION ; MULTIELECTRON DISSOCIATIVE IONIZATION ; MULTIPHOTON INVERSE BREMSSTRAHLUNG ; ATOMIC CLUSTERS ; ENERGY ; FIELD ; GENERATION ; DYNAMICS ; PULSES ; NM
AbstractAs efforts continue to elucidate laser-cluster interactions, we investigated the influence of laser wavelength on ion products. In this study, a pulsed methyl iodide cluster was irradiated with a Nd-YAG nanosecond laser, and the ion products were analyzed using time-of-flight mass spectrometry. Multiple-charge atomic ions of Cq+ and Iq+(q >= 2) were observed using 532 and 1064 nm laser wavelengths; however, only single-charge atomic and molecular ions appeared at 266 and 355 nm. We show that the charge-state distribution for multiple-charge ions is almost independent of laser intensity. A three-stage model was developed to further understand these experimental results: the inverse electron bremsstrahlung heating rate is proportional to the square of laser wavelength, which seems to explain the dependence of multiple-charge ions on the wavelength. (C) 2008 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000259463200014
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140825
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wang, Weiguo,Li, Haiyang,Niu, Dongmei,et al. Cluster-assisted multiple-ionization of methyl iodide by a nanosecond laser: Wavelength dependence of multiple-charge ions[J]. CHEMICAL PHYSICS,2008,352(1-3):111-116.
APA Wang, Weiguo,Li, Haiyang,Niu, Dongmei,Wen, Lihua,&Zhang, Nazhen.(2008).Cluster-assisted multiple-ionization of methyl iodide by a nanosecond laser: Wavelength dependence of multiple-charge ions.CHEMICAL PHYSICS,352(1-3),111-116.
MLA Wang, Weiguo,et al."Cluster-assisted multiple-ionization of methyl iodide by a nanosecond laser: Wavelength dependence of multiple-charge ions".CHEMICAL PHYSICS 352.1-3(2008):111-116.
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