http://scitation.aip.org/ POP: Low-Temperature Plasmas, Plasma Applications, Plasma Sources, Sheaths http://link.aip.org/link/?PHP/19/023503/1&agg=rss Ashraf Yehia<br/> Two equations have been derived in this paper for expecting the ozone generation inside dry air fed silent discharge reactors. The derived equations have been built on theories of the silent discharges and their applications, reported in the literature. The two equations have been investigated indiv ... [Phys. Plasmas 19, 023503 (2012)] published Thu Feb 9, 2012. http://link.aip.org/link/?PHP/19/023502/1&agg=rss Pramod K. Pandey, Shyam L. Gupta, V. Narayanan, and Raj K. Thareja<br/> We report a shock driven plasma in air breakdown using pump-probe to elucidate the hydrodynamic evolution of air plasma waveguide. Imaging of the evolution of air plasma plume is used to investigate the pump pulse effect on the plume dynamic. Imaging of the channeled pulse through evolved waveguide ... [Phys. Plasmas 19, 023502 (2012)] published Fri Feb 3, 2012. http://link.aip.org/link/?PHP/19/023501/1&agg=rss Ranhua Xiong, Anton Yu. Nikiforov, Patrick Vanraes, and Christophe Leys<br/> An underwater direct current (DC) discharge in artificially produced air bubbles is investigated. Electrical and optical emission properties of the plasma and temperature distribution in bubbles evaluated by using computational fluid dynamics (CFD) are presented. The behavior of plasma inside a bubb ... [Phys. Plasmas 19, 023501 (2012)] published Fri Feb 3, 2012. http://link.aip.org/link/?PHP/19/013507/1&agg=rss Lijun Wang, Shenli Jia, Xin Zhou, Haijing Wang, and Zongqian Shi<br/> In this paper, a three-dimensional (3d) magneto-hydro-dynamic (MHD) model of axial magnetic field vacuum arcs (AMFVAs) is established. Based on this model, AMFVAs are simulated and analyzed. Three-dimensional spatial distributions of many important plasma parameters and electric characteristics in A ... [Phys. Plasmas 19, 013507 (2012)] published Thu Jan 26, 2012. http://link.aip.org/link/?PHP/19/013506/1&agg=rss T. Gyergyek and J. KovaCiC<br/> A bounded plasma system is studied by a one-dimensional kinetic model and particle-in-cell computer simulation using the XPDP1 code. Three particle species are injected into the system from a planar source, which are the singly charged positive ions and the cool and the hot electrons. All the partic ... [Phys. Plasmas 19, 013506 (2012)] published Thu Jan 26, 2012. http://link.aip.org/link/?PHP/19/013505/1&agg=rss Liang Gao, Jizhong Sun, Chunlei Feng, Jing Bai, and Hongbin Ding<br/> A particle-in-cell plus Monte Carlo collisions method has been employed to investigate the nitrogen discharge driven by a nanosecond pulse power source. To assess whether the production of the metastable state N(ASigma) can be efficiently enhanced in a nanosecond pulsed discharge, the evolutions of ... [Phys. Plasmas 19, 013505 (2012)] published Fri Jan 20, 2012. http://link.aip.org/link/?PHP/19/013504/1&agg=rss B. K. Das, M. Bandyopadhyay, and M. Chakraborty<br/> Plasma transport in a double plasma device from the source region to the target region through a physical window comprising of electrically grounded magnet channels (filled with permanent magnet bars) for transverse magnetic field (TMF) and a pair of stainless steel (SS) plates is studied and presen ... [Phys. Plasmas 19, 013504 (2012)] published Wed Jan 18, 2012. http://link.aip.org/link/?PHP/19/013503/1&agg=rss C. L. Ellison, Y. Raitses, and N. J. Fisch<br/> Rotating spoke phenomena have been observed in a variety of Hall thruster and other E x B devices. It has been suggested that the spoke may be associated with the enhancement of the electron cross-field transport. In this paper, the current conducted across the magnetic field via a rotating spoke ... [Phys. Plasmas 19, 013503 (2012)] published Thu Jan 12, 2012. http://link.aip.org/link/?PHP/19/013502/1&agg=rss Aarti Tewari, Ritu Walia, and Suresh C. Sharma<br/> The role of negatively charged ions in plasma on growth (without catalyst) and field emission properties of spherical carbon nanotube (CNT) tip has been theoretically investigated. A theoretical model of charge neutrality, including the kinetics of electrons, negatively and positively charged ions, ... [Phys. Plasmas 19, 013502 (2012)] published Thu Jan 5, 2012. http://link.aip.org/link/?PHP/19/013501/1&agg=rss Jie Tang, Wenqing Cao, Wei Zhao, Yishan Wang, and Yixiang Duan<br/> A brush-shaped, large-volume plasma was generated at ambient pressure with a dc power supply and flowing argon gas, as well as a narrow outlet slit. Based on the VI curve and emission profiles obtained in our experiment, the plasma shows some typical glow discharge characteristics. The electron dens ... [Phys. Plasmas 19, 013501 (2012)] published Wed Jan 4, 2012. http://link.aip.org/link/?PHP/18/123503/1&agg=rss Yuesheng Zheng, Bo Zhang, and Jinliang He<br/> This paper presents a numerical model for the inception of positive dc corona discharges in air near cylindrical anodes, which plays a bridge role between the classic positive corona onset criterion and the photoionization model considering the effective radiation wavelength. The predicted onset vol ... [Phys. Plasmas 18, 123503 (2011)] published Tue Dec 27, 2011. http://link.aip.org/link/?PHP/18/123502/1&agg=rss Jizhong Sun, Qi Wang, Zhengfen Ding, Xuechun Li, and Dezhen Wang<br/> Experiments observed that the pulse duty cycle has effects on the plasma homogeneity in pulse-modulated radio frequency (rf) discharges. In this paper, pulse-modulated rf (13.56 MHz) helium discharges are theoretically investigated using a two dimensional fluid model. With the pulse period being fix ... [Phys. Plasmas 18, 123502 (2011)] published Tue Dec 27, 2011. http://link.aip.org/link/?PHP/18/123501/1&agg=rss B. Van Compernolle, W. Gekelman, P. Pribyl, and C. M. Cooper<br/> A portable lanthanum hexaboride (LaB) cathode has been developed for use in the LArge Plasma Device (LAPD) at UCLA. The LaB cathode can be used as a tool for many different studies in experimental plasma physics. To date, the cathode has been used as a source of a plasma with a hot dense core for tr ... [Phys. Plasmas 18, 123501 (2011)] published Tue Dec 27, 2011. http://link.aip.org/link/?PHP/18/113506/1&agg=rss Jianyong Cen, Ping Yuan, Haiyan Qu, and Tinglong Zhang<br/> According to the spectra of cloud-to-ground (CG) lightning discharge plasma captured by a slit-less spectrograph and the information of synchronous radiated electric field, the temperatures, the total intensity of spectra, the peak value of current and its action integral of discharge plasma channel ... [Phys. Plasmas 18, 113506 (2011)] published Tue Nov 29, 2011. http://link.aip.org/link/?PHP/18/113505/1&agg=rss Jonathan Foster, Hermann Krompholz, and Andreas Neuber<br/> The physical mechanisms that contribute to atmospheric breakdown induced by high power microwaves (HPMs) are of particular interest for the further development of high power microwave systems and related technologies. For a system in which HPM is produced in a vacuum environment for the purpose of r ... [Phys. Plasmas 18, 113505 (2011)] published Tue Nov 22, 2011. http://link.aip.org/link/?PHP/18/113504/1&agg=rss N. Jelic<br/> The plasma properties under high thermodynamic non-equilibrium condition, established due to the presence of electrically biased electrode, are investigated. Assumption of electron cut-off velocity distribution function (VDF), as done by Andrews and Varey in their investigations of the sheath region ... [Phys. Plasmas 18, 113504 (2011)] published Wed Nov 16, 2011. http://link.aip.org/link/?PHP/18/113503/1&agg=rss Aijun Yang, Xiaohua Wang, Mingzhe Rong, Dingxin Liu, Felipe Iza et al.<br/> In this paper atmospheric-pressure rf He+O cold plasmas are studied by means of a 1-D fluid model. 17 species and 60 key reactions selected from a study of 250+ reactions are incorporated in the model. O, O, and O are the dominant positive ion, negative ion, and reactive oxygen species, respectively ... [Phys. Plasmas 18, 113503 (2011)] published Fri Nov 11, 2011. http://link.aip.org/link/?PHP/18/113502/1&agg=rss Wei Zong Wang, Ming Zhe Rong, J. D. Yan, A. B. Murphy, and Joseph W. Spencer<br/> Calculated thermophysical properties of nitrogen plasmas in and out of thermal equilibrium are presented. The cut-off of the partition functions due to the lowering of the ionization potential has been taken into account, together with the contributions from different core excited electronic states. ... [Phys. Plasmas 18, 113502 (2011)] published Fri Nov 11, 2011. http://link.aip.org/link/?PHP/18/113501/1&agg=rss Davide Curreli and Francis F. Chen<br/> Radiofrequency discharges used in industry often have centrally peaked plasma density profiles n(r) although ionization is localized at the edge, even in the presence of a dc magnetic field. This can be explained with a simple cylindrical model in one dimension as long as the short-circuit effect at ... [Phys. Plasmas 18, 113501 (2011)] published Thu Nov 10, 2011. http://link.aip.org/link/?PHP/18/103512/1&agg=rss Fengkui Zhang<!--orlang--> (&#x5F20;&#x51E4;&#x594E;)<!--orlang-->, Yongjie Ding<!--orlang--> (&#x4E01;&#x6C38;&#x6770;)<!--orlang-->, Hong Li<!--orlang--> (&#x674E;&#x9E3F;)<!--orlang-->, Xiande Wu<!--orlang--> (&#x5434;&#x9650;&#x5FB7;)<!--orlang-->, and Daren Yu<!--orlang--> (&#x4E8E;&#x8FBE;&#x4EC1;)<!--orlang--><br/> In Hall thrusters, the electron velocity distribution function is not only depleted at high energies, but also strongly anisotropic. With these electrons interacting with the channel wall, the sheath will be changed in its dynamic characteristics. In the present letter, a two dimensional particle-in ... [Phys. Plasmas 18, 103512 (2011)] published Thu Oct 27, 2011. http://link.aip.org/link/?PHP/18/103511/1&agg=rss Se-Jin Oh, Young-Kwang Lee, and Chin-Wook Chung<br/> The sheath capacitance was measured on a planar probe dc-biased with respect to the plasma potential using the phase sensitive detection method in the region separated from the rf discharge plasmas by an immersed grid. It was observed that the sheath capacitance was negative when the collecting elec ... [Phys. Plasmas 18, 103511 (2011)] published Fri Oct 21, 2011.