کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8044277 | 1518917 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Direct determination of oxygen and other elements in non-conducting crystal materials by pulsed glow discharge time-of-flight mass spectrometry with potassium titanyl phosphate as an example
ترجمه فارسی عنوان
تعیین مستقیم اکسیژن و دیگر عناصر در مواد بلوری غیر هدایت شده با استفاده از اسپکترومتری جرمی پالس تابشی از زمان پرواز با تیتانیل فسفات پتاسیم به عنوان مثال
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کلمات کلیدی
طیف سنجی جرمی، تخلیه تابش خیره کننده اکسیژن، پتاسیم تیتانیل فسفات، تجزیه و تحلیل مستقیم، دی الکتریک
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
چکیده انگلیسی
Direct quantification of oxygen in dielectric materials using non-destructive or nearly non-destructive techniques still remains a nontrivial task. Simultaneous assessment of oxygen with other elements in a single analytical procedure is even more challenging. In the current study, a method of direct determination of oxygen and other matrix elements in solid samples, based on time-of-flight mass spectrometry with pulsed glow discharge in combined hollow cathode (CHC) is designed and tested. The possibility to effectively ionise oxygen owing to the electron impact mechanism under short repelling pulse delays has been shown. Stable sputtering and ionisation of dielectric samples were obtained via sample coating with thin conducting layer of silver. The parameters of oxygen quantification were optimised: duration and voltage of the discharge pulse, cell pressure, repelling pulse delay and material of the auxiliary cathode. The calibrations of oxygen, phosphorus and potassium are presented. The intensity of 16O+ was shown to be highly dependent on discharge cell pressure. The limits of detection were 0.001, 0.001, and 0.002 mass% for oxygen, phosphorus and potassium respectively. The designed approach enables direct, fast and accurate quantitative and in depth analysis of oxygen-containing samples.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 153, July 2018, Pages 248-253
Journal: Vacuum - Volume 153, July 2018, Pages 248-253
نویسندگان
Anna Gubal, Alexander Ganeev, Victoria Bodnar, Nikolay Solovyev, Yegor Lyalkin, Oleg Glumov, Viktor Yakobson,