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IJPAP Vol.43(05) [May 2005] >


Title: Positive hysteresis of electrodeless discharge in hydrogen in a co-axial cylindrical configuration
Authors: Salvi, S V
Pimpale, Sushma S
Keywords: Hysteresis
Anti-hysteresis
Discharge current
Electrodeless discharge
Issue Date: May-2005
Publisher: CSIR
IPC CodeG01R33/14
Abstract: If the voltage applied to the system increases from a low initial value to a maximum and then reduces progressively to the initial minimum, the variation in rising and falling fields presents three regions of I-V characteristic (i) rising positive approximately linear characteristic up to the breakdown potential of hydrogen gas (Vg), (ii) sharply inverting to a negative characteristic over the region Vg-VV and (iii) a rising characteristic once again for the potential above valley voltage (VV). The region of interest has been the potential range Vg-VV for which the characteristic is negative. The segments (ii) and (iii) form roughly a parabola. Results show that for increasing and decreasing progress of the applied V, the values of unidirectional current are not identical. The values are comparatively less in the increasing progress of the voltage than those in the portion of the positive hysteresis (anti-hysteresis) corresponding to decreasing voltage. These results are discussed and a mechanism for the anti-hysteresis is proposed.
Page(s): 386-389
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(05) [May 2005]

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