| Issue |
EPL
Volume 105, Number 1, January 2014
|
|
|---|---|---|
| Article Number | 15002 | |
| Number of page(s) | 6 | |
| Section | Physics of Gases, Plasmas and Electric Discharges | |
| DOI | https://doi.org/10.1209/0295-5075/105/15002 | |
| Published online | 29 January 2014 | |
Application of dust grains and Langmuir probe for plasma diagnostics
Institute of Experimental and Theoretical Physics, al-Farabi Kazakh National University 71, Al-Farabi av., Almaty 050040, Kazakhstan
Received: 30 October 2013
Accepted: 2 January 2014
This paper presents the results of the analysis of the experimentally measured width of the dust-free region around a single electric probe in a dusty plasma of glow discharge. The experimental results were compared with the data of a theoretical study on the basis of the balance equation of the dust particles thermal energy and their electrostatic interaction energy with the probe. An alternative method for the determination of the buffer plasma parameters was developed by measuring the dust-free region area around the probe. Using this method the temperature and the concentration of electrons in an argon glow discharge plasma in the pressure range from 
to 
were determined.
PACS: 52.27.Lw – Dusty or complex plasmas; plasma crystals / 52.70.-m – Plasma diagnostic techniques and instrumentation
© EPLA, 2014
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