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Monday, February 10, 2020 | History

2 edition of Numerical modelling of low temperature radio-frequency hydrogen plasmas. found in the catalog.

Numerical modelling of low temperature radio-frequency hydrogen plasmas.

Roberto Zorat

Numerical modelling of low temperature radio-frequency hydrogen plasmas.

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Published .
Written in English


Edition Notes

Thesis (PhD) -- Dublin City University, 2003.

ID Numbers
Open LibraryOL15506475M

This is a preview of subscription content, log in to check access. Electric fields and concentrations of charged and neutral hydrogen isotopic particles in the plasma of low pressure DC discharge. Panici, Jason A. In industrial devices, there can be drift instabilities due to gradients in density or temperature; gravitational instabilities due to curving magnetic field lines; or streaming instabilities due to non-Maxwellian distributions, such as in ECR. Access options Instant access to the full article PDF.

Parra-Rojas, M. It is of particular importance to determine and control the gas temperature, since this parameter plays an important role for many relevant plasma processes. Kargarian, K. All plasmas, particularly magnetized ones, are subject to instabilities. Metrics details Abstract The species densities and the thermal and chemical nonequilibrium phenomena in an Ar—H2 radio frequency inductively coupled plasma reactor used for hydrogenation of materials have been investigated through numerical simulation.

Ammonia-based plasma treatment of single-walled carbon nanotube thin films for bio-immobilization. Physics of Plasmas26 2 Kargarian, K. E-Books at Princeton Princeton University Libraries have a fairly large collection of e-books that can be viewed or downloaded from the comfort of your office or home computer.


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Numerical modelling of low temperature radio-frequency hydrogen plasmas. by Roberto Zorat Download PDF Ebook

Plasma Processing and Processing Science. In order to lower the discharge voltage and expand the operation pressure range, the lifetime of the electrons in target vicinity is increased through applying magnetic field, by adding permanent magnets behind the cathode target.

Hajisharifi, H. The method has been successfully applied to modelling a Numerical modelling of low temperature radio-frequency hydrogen plasmas. book range of phenomena in thermal plasmas. Investigations on argon and hydrogen plasmas produced by compact ECR plasma source.

The gas temperature of hydrogen and helium or argon containing HFEDL has been measured by two methods: using the relative intensities of the hydrogen Q branch of Fulcher- band and using the temperature derivation from Doppler profile of He Garg et al.

The combined ordinary diffusion coefficientcombined pressure diffusion coefficientcombined electric field diffusion coefficient and combined temperature diffusion coefficient describe, respectively, diffusion due to mole fraction gradients, gradients of the total pressure, externally-applied electric fields and temperature gradients.

Passas, E. Physics of Plasmas26 2 According to this model, the translational gas temperature may be in equilibrium with rotational temperature determined from either upper or lower energy level depending on processes in plasma under study [ 8121416 ].

This is a preview of subscription content, log in to check access. The spread of ion energies is important for anisotropic etching of semiconductors.

MICHAEL A. LIEBERMAN

The results have been compared with the method of temperature derivation from Doppler profiles of He Infrared spectroscopic study of the reactions between an octadecyltrichlorosilane self-assembled monolayer and plasma.

Herrero, A. Kado et al. For basic information on finding e-books in the Princeton University Library system select the Finding e-books tab.

Calculation and application of combined diffusion coefficients in thermal plasmas

Srivastava, D. The power of the discharge was changed, changing the applied current into the coil in the region 80— mA. Plasma instabilities.

PhD thesis

The various configurations of the magnetron sputtering discharge and its applications are described. Buurma, R. As a consequence, simplified methods are generally used; a range of methods of varying levels of simplicity and accuracy is available 48 Here the only external force that is considered is that due to an applied electric field.

The global model technique was adapted and Numerical modelling of low temperature radio-frequency hydrogen plasmas. book implemented to model rf inductively coupled hydrogen plasma discharges created in the DENISE experiment, with particular attention to the negative ion chemistry.Feb 22,  · Abstract.

The species densities and the thermal and chemical nonequilibrium phenomena in an Ar–H 2 radio frequency inductively coupled plasma reactor used for hydrogenation of materials have been investigated through numerical simulation.

The mathematical model consists of a two-temperature fluid dynamics model and a chemical kinetics model that takes into account the effect Cited by: The present paper provides the results of numerical simulation obtained using a fluid model approach of pure hydrogen microwave plasma, at moderate pressure, in two-dimensional cylindrical geometry.

Sep 18,  · Plasma modelling is an exciting subject in which virtually all physical disciplines are represented. Plasma models combine the electromagnetic, statistical and fluid dynamical theories that have their roots in the 19th century with the modern insights concerning the structure of matter that were developed throughout the 20th galisend.com by: Such plasmas are called dusty pdf complex plasmas.

In this thesis numerical models are presented which describe dusty plasmas in reactive and nonreactive plasmas. We started first with the development of a simple one-dimensional silane fluid model where a dusty radio-frequency silane/hydrogen discharge is simulated.In this thesis low temperature hydrogen radio frequency (rf) plasmas discharges are modelled numerically by using both a global model and a Particle- In-Cell (PIC) simulation.

Such plasmas are of interest because of their industrial applications and for the development of negative ion sources for fusion galisend.com: Roberto Zorat.Low-temperature radio frequency plasmas are essential in various sectors of advanced technology, from micro-engineering to spacecraft propulsion systems and efficient sources of light.