کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1672282 | 1008931 | 2009 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Receptor function of small semiconductor crystals with clean and electron-traps dispersed surfaces
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Receptor function of small semiconductor crystals with clean and electron-traps dispersed surfaces Receptor function of small semiconductor crystals with clean and electron-traps dispersed surfaces](/preview/png/1672282.png)
چکیده انگلیسی
Theoretical exploration has been conducted to formulate the receptor function and response of a semiconductor gas sensor using thin plate-like crystals. The receptor function can be formulated over a wide range of depletion from conventional one (regional depletion) to new type one (volume depletion) by focusing attention on how the surface density of adsorbed oxygen ions (O−) is related with chemical moiety outside the crystals and physical moiety inside. The responses to gases thus derived are inversely proportional to the thickness of the plates used in the range of volume depletion. Electron-traps, if dispersed on the crystals, are shown to exert drastic effects in promoting sensitivity to gases.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 517, Issue 22, 30 September 2009, Pages 6148–6155
Journal: Thin Solid Films - Volume 517, Issue 22, 30 September 2009, Pages 6148–6155
نویسندگان
N. Yamazoe, K. Shimanoe,