title: Experimental Observation and Computational Analysis of Striations in Electronegative Capacitively Coupled Radio-Frequency Plasmas.
abstract: Self-organized spatial structures in the light emission from the ion-ion capacitive rf plasma of a strongly electronegative gas (CF_{4}) are observed experimentally for the first time. Their formation is analyzed and understood based on particle-based kinetic simulations. These "striations" are found to be generated by the resonance between the driving radio frequency and the eigenfrequency of the ion-ion plasma (derived from an analytical model) that establishes a modulation of the electric field, the ion densities, as well as the energy gain and loss processes of electrons in the plasma. The growth of the instability is followed by the numerical simulations.
authors.affiliation: Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education), School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China.
authors.forename: Yong-Xin
authors.initials: YX
authors.lastname: Liu
authors.affiliation: Department of Physics, West Virginia University, Morgantown, West Virginia 26506-6315, USA.
authors.forename: Edmund
authors.initials: E
authors.lastname: Schüngel
authors.affiliation: Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences H-1121 Budapest, Konkoly-Thege Miklós str. 29-33, Hungary.
authors.forename: Ihor
authors.initials: I
authors.lastname: Korolov
authors.affiliation: Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences H-1121 Budapest, Konkoly-Thege Miklós str. 29-33, Hungary.
authors.forename: Zoltán
authors.initials: Z
authors.lastname: Donkó
authors.affiliation: Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education), School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China.
authors.forename: You-Nian
authors.initials: YN
authors.lastname: Wang
authors.affiliation: Department of Physics, West Virginia University, Morgantown, West Virginia 26506-6315, USA.|Institute for Electrical Engineering, Ruhr-University Bochum, 44801 Bochum, Germany.
authors.forename: Julian
authors.initials: J
authors.lastname: Schulze