English
Related papers

Related papers: Customized ion flux-energy distribution functions …

200 papers

Tailoring ion energy distribution function (IEDF) is vital for advanced plasma processing applications. Capacitively coupled plasma (CCP) discharges excited using non-sinusoidal waveform have shown its capability to control IEDF through…

Plasma Physics · Physics 2024-06-19 Sarveshwar Sharma , Nishant Sirse , Animesh Kuley , Miles M Turner

Precise control of ion energy distribution functions (IEDF) is crucial for selectivity as well as control over sputter rate and substrate damage in nanoscale plasma processes. In this work, a low frequency (100 kHz) tailored…

Customized voltage waveforms composed of a number of frequencies and used as the excitation of radio-frequency plasmas can control various plasma parameters such as energy distribution functions, homogeneity of the ionflux or ionization…

The highly advanced treatment of surfaces as etching and deposition is mainly enabled by the extraordinary properties of technological plasmas. The primary factors that influence these processes are the flux and the energy of various…

Plasma Physics · Physics 2015-05-30 Thomas Mussenbrock

Using particle-in-cell simulation technique, we investigate the plasma and ionization asymmetry, electron and ion energy distribution function in capacitive discharges excited by tailored waveforms. At a base frequency of 13.56 MHz, three…

Plasma Physics · Physics 2022-04-27 Sarveshwar Sharma , Nishant Sirse , Animesh Kuley , Miles M Turner

Control over plasma asymmetry in a low-pressure capacitively coupled plasma (CCP) discharges is vital for many plasma processing applications. In this article, using the particle-in-cell simulation technique, we investigated the asymmetry…

Plasma Physics · Physics 2023-07-26 Sarveshwar Sharma , Nishant Sirse , Miles M Turner

Parameters of a high frequency capacitive discharge in argon in axially symmetric chambers of different geometries are studied in experiments and by means of two-dimensional kinetic modeling by the Particle-in-Cell method. It is…

Plasma Physics · Physics 2015-05-19 I. V. Schweigert , D. A. Ariskin , T. V. Chernoiziumskaya , A. S. Smirnov

We report the existence of an enhanced operating regime for a high-frequency, low-pressure capacitively coupled plasma (CCP) discharge in the presence of a weak magnetic field applied parallel to the electrodes. Our PIC-MCC simulations show…

Plasma Physics · Physics 2020-12-07 Sanket Patil , Sarveshwar Sharma , Sudip Sengupta , Abhijit Sen , Igor Kaganovich

A self-consistent 1-D model was developed to study the effect of the electron energy distribution function (EEDF) on power deposition and plasma density profiles in a planar inductively coupled plasma (ICP) in the non-local regime (pressure…

Plasma Physics · Physics 2016-09-08 Badri Ramamurthi , Demetre J. Economou , Igor D. Kaganovich

We investigate the energy and angular distributions of the ions reaching the electrodes in low-pressure, capacitively coupled oxygen radio-frequency discharges. These distributions, as well as the possibilities of the independent control of…

Plasma Physics · Physics 2018-11-14 Zoltan Donko , Aranka Derzsi , Mate Vass , Julian Schulze , Edmund Schuengel , Satoshi Hamaguchi

Based on two-dimensional particle-in-cell simulations a novel approach towards Electron Energy Probability Function (EEPF) and plasma chemistry control by Current Waveform Tailoring (CWT) in the coil of inductively coupled discharges is…

Experimental results, supported by precise modelling, demonstrate optimisation of a plasma-based injector with intermediate laser pulse energy ($<1$ J), corresponding to a normalised vector potential $a_0 = 2.15$, using ionisation injection…

An independent control of the flux and energy of ions impacting on an object immersed in a plasma is often desirable for many industrial processes such as microelectronics manufacturing. We demonstrate that a simultaneous control of these…

Plasma Physics · Physics 2018-08-29 Sarveshwar Sharma , Igor Kaganovich , Alexander Khrabrov , Predhiman Kaw , Abhijit Sen

The dynamical characteristics of a single frequency low pressure capacitively coupled plasma (CCP) device under varying applied RF voltages and driving frequencies are studied using particle-in-cell/Monte Carlo collision simulations. An…

Plasma Physics · Physics 2018-08-29 Sarveshwar Sharma , Abhijit Sen , N. Sirse , M. M. Turner , A. R. Ellingboe

The effect of a magnetic field on the characteristics of capacitively coupled radio frequency discharges is investigated and found to be substantial. A one-dimensional particle-in-cell simulation shows that geometrically symmetric…

Capacitively coupled plasmas (CCP) comprise one of the main tool in active use in the plasma processing industry. However, increasing the driving frequency and electrode size is limited by the emergence of plasma radial nonuniformity…

Plasma Physics · Physics 2023-03-03 D. Eremin , E. Kemaneci , M. Matsukuma , I. Kaganovich , T. Mussenbrock , R. P. Brinkmann

The synergy between voltage waveform tailoring and structured electrodes is investigated in a radio-frequency (RF) atmospheric-pressure microplasma jet operated in helium with a 0.1% oxygen admixture. The device incorporates rectangular…

Plasma Physics · Physics 2025-06-13 Mate Vass , Xiaokun Wang , Ihor Korolov , Julian Schulze , Thomas Mussenbrock

The kinetic analyses are quite important when it comes to understand the particle behavior in any device as they start to deviate from continuum nature. In the present study, kinetic simulations are performed using Particle-in-Cell (PIC)…

Plasma Physics · Physics 2020-12-15 D. Bhattacharjee , S. Adhikari , N. Buzarbaruah , S. R. Mohanty

The ion energy distribution functions (IEDF) have been measured for a helium atmospheric pressure dielectric barrier discharge jet expanding into the air and impacting a metal or ceramic surface. The plasma jet produces ionization waves as…

Plasma Physics · Physics 2025-05-13 Daniel Henze , Laura Chauvet , Achim von Keudell

An argon-xenon (Ar/Xe) plasma is used as a model system for complex plasmas. Based on this system, symmetric low-pressure capacitively coupled radio-frequency discharges are examined utilizing Particle-In-Cell/Monte Carlo Collisions…

Plasma Physics · Physics 2021-08-11 M. Klich , S. Wilczek , J. F. J. Janssen , R. P. Brinkmann , T. Mussenbrock , J. Trieschmann
‹ Prev 1 2 3 10 Next ›