Measurement of Neutral Gas Temperature in a 13.56 MHz Inductively Coupled Plasma

被引：5
|
作者：
Jayapalan, Kanesh K. [1 ]
Chin, Oi Hoong [1 ]
机构：
[1] Univ Malaya, Dept Phys, Plasma Technol Res Ctr, Kuala Lumpur 50603, Malaysia
来源：
NATIONAL PHYSICS CONFERENCE 2014 (PERFIK 2014) | 2015年 / 1657卷
关键词：
actinometry optical emission spectroscopy; inductively coupled plasma; neutral gas temperature;
D O I：
10.1063/1.4915242
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Measuring the temperature of neutrals in inductively coupled plasmas (ICP) is important as heating of neutral particles will influence plasma characteristics such as the spatial distributions of plasma density and electron temperature. Neutral gas temperatures were deduced using a non-invasive technique that combines gas actinometry, optical emission spectroscopy and simulation which is described here. Argon gas temperature in a 13.56 MHz ICP were found to fall within the range of 500 - 800 K for input power of 140 - 200 W and pressure of 0.05 - 0.2 mbar. Comparing spectrometers with 0.2 nm and 0.5 nm resolution, improved fitting sensitivity was observed for the 0.2 nm resolution.
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页数：6
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