کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1194817 | 1492346 | 2009 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Surface neutralization/surface reionization (Ping-Pong) mass spectrometry
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Surface neutralization/surface reionization (Ping-Pong) mass spectrometry Surface neutralization/surface reionization (Ping-Pong) mass spectrometry](/preview/png/1194817.png)
چکیده انگلیسی
Experiments are reported that utilize surface neutralization of hyperthermal organic ions to obtain hyperthermal neutral species that are reionized on oxygen-activated rhenium surface and detected by mass spectrometry. A special Ping-Pong mass spectrometer was designed and coupled to a double-focusing mass spectrometer to allow energy and angle-resolved measurements. Neutralization of pyridine and benzene ions on gold, copper, and aluminum surfaces generated substantial ion currents into the collecting plate. The ion currents obtained on gold surfaces were found to depend on the recombination energy of the ion projectile. Hyperthermal neutrals coming off the first surface were found to mainly originate from hydrocarbon adsorbates.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Mass Spectrometry - Volume 280, Issues 1â3, 1 February 2009, Pages 136-143
Journal: International Journal of Mass Spectrometry - Volume 280, Issues 1â3, 1 February 2009, Pages 136-143
نویسندگان
Changtong Hao, Luke E. Adams, Xinli Yang, Martin SadÃlek, FrantiÅ¡ek TureÄek,