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dc.contributor.authorSu, YX
dc.contributor.authorZhou, Z
dc.contributor.authorYang, PY
dc.contributor.authorWang, XR
dc.contributor.author王小如
dc.contributor.authorHuang, BL
dc.contributor.author黄本立
dc.date.accessioned2012-08-19T01:39:35Z
dc.date.available2012-08-19T01:39:35Z
dc.date.issued1998-03-26
dc.identifier.citationSPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY,1997,52(5):633-641zh_CN
dc.identifier.issn0584-8547
dc.identifier.urihttp://dx.doi.org/10.1016/S0584-8547(96)01621-7
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/13525
dc.description.abstractThis paper describes a new type of glow discharge (GD) ion source coupled to a time-of-flight mass spectrometer (TOFMS). The GD is operated in the microsecond pulse (mu s-pulse) mode. The operational parameters of the mu s-pulse GD were optimized against the ion signals, giving 180 Pa for the discharge pressure, 3 A for the transient discharge current, 1.75 kHz for the discharge frequency and 2 mu s for the discharge pulse duration. Experimental results show that the discharge current in the mu s-pulse mode can be one order of magnitude higher than that obtained in the d.c. mode. The structure of the interface between the mu s-pulse GD and the mass spectrometer was found to be critical, and a Macer disc must be applied in front of the sampling orifice in order to shield the sampling plate from the anode of the GD to achieve both a good vacuum and the best sputtering. A transient sputtering rate of 24.4 mu g s(-1) mm(-2) was reached in the mu s-pulse mode and was significantly higher than that for the d.c.-GD. Typical mass spectra of brass and nickel samples were studied and are discussed. (C) 1997 Elsevier Science B.V.zh_CN
dc.language.isoenzh_CN
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDzh_CN
dc.subjectglow dischargezh_CN
dc.subjection sourcezh_CN
dc.subjectmicrosecond-pulse glow dischargezh_CN
dc.subjectsurface analysiszh_CN
dc.subjecttime-of-flight mass spectrometryzh_CN
dc.titleStudy of a pulsed glow discharge ion source for time-of-flight mass spectrometryzh_CN
dc.typeArticlezh_CN


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