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Fragmentation of dimethyl ether in femtosecond intense field
Zhu, Jingyi; Guo, Wei; Wang, Yanqiu; Wang, Li; Wang L(王利); Wang L(王利)
关键词Fragmentation Dimethyl Ether Femtosecond Intense Field
刊名CHEMICAL PHYSICS
2006-08-01
DOI10.1016/j.chemphys.2006.03.020
326期:2-3页:571-576
收录类别SCI
文章类型Article
部门归属11
项目归属1101
产权排名1;1
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]LASER-PULSES ; UNIMOLECULAR DECOMPOSITION ; DISSOCIATIVE IONIZATION ; AROMATIC-HYDROCARBONS ; AB-INITIO ; PHOTOIONIZATION ; MOLECULES ; FLUORESCENCE ; DYNAMICS ; ALCOHOLS
英文摘要The fragmentation of dimethyl ether (DME) in intense femtosecond laser field has been studied at 810, 405 and 270 nm with intensities up to 2.48 x 10(15), 3.86 x 10(15) and 1.62 x 10(14) W/cm(2), respectively. At 405 nm, DME is possibly firstly ionized by multiphoton absorption, and then parent ion DME+ dissociates into fragments via filed-induced dissociation. For 8 10 and 270 nm laser fields, DME firstly dissociates into CH3O and CH3 fragments and then these neutral fragments are ionized by field tunneling. Another possible way for DME to dissociate at 810 and 270 nm is that DME is ionized by intense field ejection of inner valance electron and then the excited DME+ dissociates into fragment ions. Ultrafast rearrangement of DME or DME+ in intense field may be responsible to the unpredictable fragment ions, CHO+/C2H5+ and H-2(+) (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000239380700038
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被引频次:5[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/321008/98317
专题中国科学院大连化学物理研究所
通讯作者Wang L(王利); Wang L(王利)
作者单位1.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 10039, Peoples R China
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Zhu, Jingyi,Guo, Wei,Wang, Yanqiu,et al. Fragmentation of dimethyl ether in femtosecond intense field[J]. CHEMICAL PHYSICS,2006,326(2-3):571-576.
APA Zhu, Jingyi,Guo, Wei,Wang, Yanqiu,Wang, Li,王利,&王利.(2006).Fragmentation of dimethyl ether in femtosecond intense field.CHEMICAL PHYSICS,326(2-3),571-576.
MLA Zhu, Jingyi,et al."Fragmentation of dimethyl ether in femtosecond intense field".CHEMICAL PHYSICS 326.2-3(2006):571-576.
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