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Issue

Dec 2007 -
Jun 2008
 

Dear colleagues

Welcome to the first edition of the Centre for Non-equilibrium Processes (CNP) electronic newsletter, CNP-eNotes. The aim of the CNP-eNotes is to promote the scientific activities within the Centre in the West Balkans and all around the world. In these newsletters we will bring to you recent introductions of new investigations carried out in our laboratories. We trust you will find these newsletters informative and useful. We hope to bring these to you 4 times per year via email. The CNP-eNotes is part of our efforts to improve networking and international collaboration.
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Research
The research conducted at the Centre for Non-equilibrium Processes in Belgrade is concerned with investigating the physical basis of non-equilibrium plasmas. Our primary mission is to develop the scientific understanding and innovations which will lead to further advances in plasma technologies for integrated circuit production.
 
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Mission
Associated missions include conducting the world-class research along the broad frontier of non-equilibrium plasmas and related technologies, and providing the highest quality of scientific education. Meet our graduate students engaged by the Centre...
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Scientific equipment
While most programs carried out in West Balkans are concerned with the analysis and theoretical description of Nano Technologies, our mission is to address the actual manufacturing technologies and physical processes of interest for their applicability. The following scientific equipment is installed:

 
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Gas discharge and breakdown modeling
Transforming the initially non conducting gas into a conducting medium is called breakdown and comprises an involved set of transient processes which is poorly understood even in the present day. Plasma breakdown as an important fundamental process in plasma science has been a subject of numerous investigations due to its relevance for both industrial applications and a necessity of gaining a better understanding of the complex mechanisms of gas discharge phenomena...
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Cross Sections from experimental data
Swarm analysis is performed by comparing experimental and calculated transport coefficients. Comparisons are repeated until a satisfactory agreement is achieved after modifications of the cross sections. We perform the analysis of our data for neon and methane by using detailed Monte Carlo simulation scheme. Monte Carlo code is based on a null-collision technique because it is applicable to our steady state Townsend conditions...
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Swarm experiments, excitation and ionization coefficients
Understanding the kinetics of excited rare gases is of practical importance for modeling and optimizing kinetics process in gas discharges devices, such as plasma displays, light sources, excimer lasers, ion lasers, ion thrusters, particle detectors and in microwave afterglows. Methane is the most popular molecular additive in gas mixtures for drift chambers used as track detectors for high energy particles. Discharges in methane are used for deposition of diamond like films...
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Monte Carlo simulations, dc and rf swarms
Modeling of rf plasmas used for ULSI (ultra large scale integrated) circuit processing requires knowledge of electron transport coefficients. Transport coefficients in time dependent fields usually cannot be properly represented by the quasi dc approximation. In many cases time dependent magnetic field is present in addition to the electric field. Nevertheless most of the models take advantage only of the data for pure dc electric field. By doing so a number of kinetic phenomena due to rapidly changing fields and limited time constants for relaxation are not taken into account...
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RF discharges and applications
In many areas of industry, plasma processing of materials is a vital technology. Nonequilibrium plasmas have proved to be capable of producing chemically reactive species at a low gas temperature while maintaining highly uniform reaction rates over relatively large areas. The majority of these plasma systems run at low pressures as optimum maintenance conditions for standard dimensions at pressures below 1 Torr...
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Events
Below are the details of upcoming exhibitions and conferences that we are attending or supporting, we would welcome the chance to meet you there, if you would like to book an appointment at any event please click here.

4th Conference on Elementary Processes in Atomic Systems, Cluj-Napoca, Romania, June 18-20, 2008
23rd Symposium on Plasma Physics and Technology, Prague, Czech Republic, June 16–19, 2008
19th Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases, Granada, Spain, July 15-19, 2008
24th Summer School and International Symposium on the Physics of Ionized Gases, Novi Sad, Serbia August 25-29, 2008
17th International Conference on Gas Discharges and their Applications, Cardiff, United Kingdom, September 7-12, 2008
61st Annual Gaseous Electronics Conference, Dallas, Texas, October 13-17, 2008
Latest news

May 2008
Seminars:
Nikola Skoro: Microdischarges-small gap gas breakdown and properties of dc discharges
Sasa Dujko: The determination of low energy electron-molecule cross sections via swarm analysis
Olivera Sasic: Electron scattering cross sections and transport coefficients in molecular gases and their mixtures
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April 2008
Seminars:
Vladimir Stojanovic: Thermalisation of high energetic electrons in the upper atmospheric layers
Gordana Malovic: Mass analysis of products of atmospheric pressure discharges
Marija Radmilovic Radjenovic: Mode transition in CCP rf discharges
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Visitors, Tomas Hoder and Nina Radic, from Masaryk University, Brno, Czech Republic with our associates worked on a PDP diagnostics.
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March 2008
Seminars:
Sasa Lazovic: Diagnostic of atmospheric pressure discharge by mass-energy analyzer
Branislav Radjenovic: 3D level set anisotropic etching profile evolution simulations
Ana Bankovic: Transport of positrons in water
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Hemal Varambhia from University Colledge of London gave a talk on program QUANTEMOL and performed the software demonstration.
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Media: tv presentation of CNP has been broadcasted in science tv programme 'Mozaik' on RTV of Vojvodina. Prof. Petrovic's web article written apropos 75 years from discovery of antimatter has been published.
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New Books! New Books!
Plasma Electronics: Applications in Microelectronic Device Fabrication; T. Makabe, Keio University, Japan, Z. Petrovic, University of Belgrade, Serbia
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Proceedings of the Workshop on nonequilibrium processes, Kopaonik, Serbia, 2006
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Proceedings of the 5th EU-Japan Symposium on Plasma Processing
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February 2008
Mr. Armand Beuf, Scientific Officer of FP6 Project, visited Centre for Non Equlibrium Processes and Institute of Physics.
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January 2008
Prof. Petrovic gave postgraduate course on Plasma Technologies at the Ruhr University in Bochum, Germany.
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December 2007
End-of-year awards: Nevena Puac has been awarded a prize by 'Academic Radoslav K. Andjus' Fund for best young researcher science's publication in physiology and biophysics in 2006/2007.
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Our visitors, Prof. Stephen Buckman from ANU Australia, Dr. Ron White from James Cook University Australia and Dr. Joan Marler from University of Aarhus Denmark presented their seminars and mark the beginning of the next season of the Workshop.
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Centre for Non Equlibrium Processes, Institute of Physics, Pregrevica 118, 11000 Belgrade, Serbia

June 2008
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