Particle-In-Cell Modelling of a Neutral Beam Source for Material Processing in Nanoscale Structures Fabrication

Author:

Radmilović-Radjenović M.1,Petrović Z.Lj.1,Nikitović Željka1,Strinić A.1,Stojanović V.1,Nina Aleksandra1,Radjenović B.2

Affiliation:

1. Institute of Physics

2. Vinča Institute of Nuclear Sciences

Abstract

Neutral beam processing has evolved into one of the most promising methods for overcoming plasma process induced damage. Surface treatment by neutrals avoids problems with surface charging effects, frequently encountered when using common ion treatment, especially for low k-materials. In this paper, the influence of various parameters on the neutralization of ion beams in Ar-CF4 mixture based on a Particle in Cell with Monte Carlo collisions (PIC/MCC) simulation is studied. The efficiency of neutralization has been treated by considering both surface neutralization of ions and collisions of ions in the gas.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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