ICCAS OpenIR
Field ionization of aliphatic ketones by intense femtosecond laser
Wu, CY; Xiong, YJ; Ji, N; He, Y; Gao, Z; Kong, F
2001-01-18
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY A
ISSN1089-5639
Volume105Issue:2Pages:374-377
AbstractField ionization of acetone, butanone, and 3-pentanone in an intense laser field is experimentally investigated by using a femtosecond laser and a time-of-flight mass spectrometer. Theoretically, the ionization process is treated by using a molecular orbital-based model. The nonbonding P-x electron in the oxygen atom is considered as the most feasibly ionized electron and the x axis as the most feasibly ionized vector. The electrostatic potential is obtained by combining the ab initio potential of the molecule and the external potential. The tunneling probability of the P-x electron through the potential barrier is numerically calculated by the transfer matrix method. The ionization probability is modified by the spatial and temporal corrections for a pulsed laser beam, and the total ion yields can thus be obtained. The calculated laser power dependence of the ion yield agrees well with the experimental data measured in the range of 3.5 x 10(13)-1.2 x 10(14) W/cm(2).
DOI10.1021/jp0024165
Indexed BySCI
Language英语
WOS IDWOS:000166490800011
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76656
Collection中国科学院化学研究所
Corresponding AuthorKong, F
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wu, CY,Xiong, YJ,Ji, N,et al. Field ionization of aliphatic ketones by intense femtosecond laser[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2001,105(2):374-377.
APA Wu, CY,Xiong, YJ,Ji, N,He, Y,Gao, Z,&Kong, F.(2001).Field ionization of aliphatic ketones by intense femtosecond laser.JOURNAL OF PHYSICAL CHEMISTRY A,105(2),374-377.
MLA Wu, CY,et al."Field ionization of aliphatic ketones by intense femtosecond laser".JOURNAL OF PHYSICAL CHEMISTRY A 105.2(2001):374-377.
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