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pro vyhledávání: '"Karkari, Shantanu"'
This work shows the development of a volume-produced negative ion source that consists of annular parallel plates driven by a 13.56 MHz capacitively coupled radio frequency in a push-pull configuration. This source shows advantages in controlling pla
Externí odkaz:
http://arxiv.org/abs/2406.13506
Autor:
Singh, Pawandeep, Pandey, Avnish, Dahiya, Swati, Patil, Yashashri, Sirse, Nishant, Karkari, Shantanu
The dielectric constant of a sheath, whether ionic or electronic, formed around the cylindrical limbs of a hairpin probe, is often considered the same as that of a vacuum. However, this assumption does not hold true for electron sheaths and electron-
Externí odkaz:
http://arxiv.org/abs/2406.13497
Autor:
Dahiya, Swati, Sharma, Narayan, Geete, Shivani, Sharma, Sarveshwar, Sirse, Nishant, Karkari, Shantanu
In this study, we have investigated the production of negative ions by mixing electronegative oxygen gas with electropositive argon gas in a geometrically asymmetric cylindrical capacitively coupled radio frequency plasma discharge. The plasma parame
Externí odkaz:
http://arxiv.org/abs/2405.14412
Autor:
Dahiya, Swati, Singh, Pawandeep, Patil, Yashashri, Sharma, Sarveshwar, Sirse, Nishant, Karkari, Shantanu Kumar
Publikováno v:
Phys. Plasmas 30, 093505 (2023)
We investigate the discharge characteristics of a low-pressure geometrically asymmetric cylindrical capacitively coupled plasma discharge with an axisymmetric magnetic field generating an EXB drift in the azimuthal direction. Vital discharge paramete
Externí odkaz:
http://arxiv.org/abs/2306.00594
The negative ion density and temperature are the two fundamental parameters that are necessary to quantify the properties of electronegative discharges. However, determining these parameters by means of electrostatic probes can be quite challenging b
Externí odkaz:
http://arxiv.org/abs/2109.09419
Publikováno v:
J. Phys. D: Appl. Phys. 55 235201 (2022)
This paper presents the plasma potential distribution across magnetic field lines in an argon/oxygen plasma created by 13.56 MHz CCRF discharge consisting of a pair of ring electrodes. It is found that the radial plasma density, electron temperature,
Externí odkaz:
http://arxiv.org/abs/2108.06134
Autor:
Das, Satadal, Karkari, Shantanu K.
The radial characteristic of a partially magnetized plasma column created by a hot cathode filament is presented. It is found that in the absence of magnetic field, plasma potential and density varies similarly according to Boltzmann distribution. Ho
Externí odkaz:
http://arxiv.org/abs/1809.03253
Akademický článek
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Autor:
Karkari, Shantanu Kumar
Publikováno v:
Reviews of Modern Plasma Physics; 3/13/2024, Vol. 8 Issue 1, p1-52, 52p
Akademický článek
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