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Influence of electron injection into 27 cm audio plasma cell on the plasma diagnostics
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10.1063/1.4816822
/content/aip/journal/rsi/84/8/10.1063/1.4816822
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/8/10.1063/1.4816822

Figures

Image of FIG. 1.
FIG. 1.

Arrangement and photo of the argon gas discharge taken at the pressure of 0.2 Torr at 10 kHz.

Image of FIG. 2.
FIG. 2.

The audio plasma system of plasma tube of 27 cm long.

Image of FIG. 3.
FIG. 3.

The double probe electrical circuit.

Image of FIG. 4.
FIG. 4.

Dependence of the discharge current on the discharge voltage.

Image of FIG. 5.
FIG. 5.

The electron temperature distribution along the plasma tube of 27 cm long.

Image of FIG. 6.
FIG. 6.

Plasma density distributions along the plasma tube compared to electron injection for Ar and N gases.

Image of FIG. 7.
FIG. 7.

The electron temperature T and the density N as a function of the tube distance for Ar gas.

Image of FIG. 8.
FIG. 8.

The nT product against the plasma column length.

Image of FIG. 9.
FIG. 9.

(a) The Cu electrode before gas discharge. (b) The Cu electrode after gas discharge. (c) The stainless steel electrode before gas discharge. (d) The stainless steel electrode after gas discharge.

Image of FIG. 10.
FIG. 10.

(a) EDX spectra of Cu electrode before gas discharge. (b) SEM micrograph photo of the polished copper before gas discharge. (c) XRF spectra of copper after gas discharge. (d) SEM micrograph of the polished copper after gas discharge.

Image of FIG. 11.
FIG. 11.

(a) XRF spectra of stainless steel before gas discharge. (b) SEM micrograph of the polished stainless steel before gas discharge. (c) XRF spectra of stainless steel after gas discharge. (d) SEM micrograph of stainless steel after gas discharge.

Image of FIG. 12.
FIG. 12.

(a) The Cu electrode before gas discharge. (b) The Cu electrode after gas discharge. (c) The stainless steel electrode before gas discharge. (d) The stainless electrode after gas discharge.

Image of FIG. 13.
FIG. 13.

(a) EDX spectra of Cu electrode after gas discharge. (b) SEM micrograph of the polished copper after gas discharge. (c) EDX spectra of stainless electrode after gas discharge. (d) SEM micrograph of the stainless electrode after gas discharge.

Tables

Generic image for table
Table I.

Comparison to reveal the elemental composition of Cu and stainless steel electrode surface for different experimental conditions.

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/content/aip/journal/rsi/84/8/10.1063/1.4816822
2013-08-05
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of electron injection into 27 cm audio plasma cell on the plasma diagnostics
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/8/10.1063/1.4816822
10.1063/1.4816822
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