New evidences on photoemission electron impact ionization in time-of-flight mass spectrometer
文献类型：期刊论文
| 作者 | Wang, L; Li, HY; Bai, JL; Lu, RC |
| 刊名 | internet journal of chemistry
 |
| 出版日期 | 1998 |
| 卷号 | 1期号:4页码:cp1-u21 |
| 关键词 | laser induced photoelectron multiple charged ions electron impact ionization time-of-flight mass spectrometer |
| 英文摘要 | photoelectron impact ionization (pei) of noble gases has been investigated in a time of flight mass spectrometer (tof-ms). multicharged ions of he, ne, ar, kr and xe were produced when the gases were injected into the ionization region and a focused laser beam struck the extractor grid surfaces in the tof-ms. a delayable pulsed accelerating electric field was used, for the first time, to test the effect of the laser induced photoelectrons on the ionization. a special photoelectron gun was designed to control the energy of the photoelectron beam. this modification made it possible to separate the pei from multiphoton ionization (mpi). the observations showed that the multiple charged ions could be only formed by the pei in our experiments, possibly formed step by step. with the new design of the electron gun, the tof-ms can be operated in either mpi mode or pei mode. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | chemistry, multidisciplinary |
| 研究领域[WOS] | chemistry |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000173142000001 |
| 公开日期 | 2015-11-10 |
| 源URL | [http://159.226.238.44/handle/321008/138107]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, L,Li, HY,Bai, JL,et al. New evidences on photoemission electron impact ionization in time-of-flight mass spectrometer[J]. internet journal of chemistry,1998,1(4):cp1-u21. |
| APA | Wang, L,Li, HY,Bai, JL,&Lu, RC.(1998).New evidences on photoemission electron impact ionization in time-of-flight mass spectrometer.internet journal of chemistry,1(4),cp1-u21. |
| MLA | Wang, L,et al."New evidences on photoemission electron impact ionization in time-of-flight mass spectrometer".internet journal of chemistry 1.4(1998):cp1-u21. |
入库方式： OAI收割
来源：大连化学物理研究所
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