نتایج جستجو برای: srim

تعداد نتایج: 145  

Journal: :iranian journal of science and technology (sciences) 2009
k. hadad

in this study, a general theoretical model to foresee and calculate the current-voltagecharacteristics in a plateau zone and the associated efficiency of the neutron detector (sensitivity) is presented. this study is to complete the previous studies in this field. the model also considers electric field distortion resulting from the charge collection effect. the characteristics curve is obtaine...

Journal: :Coatings 2022

Total sputtering yield and spatial distributions of sputtered atoms are important for numerous deposition techniques. We performed SRIM (Stopping Range Ions in Matter) simulations to analyze the total angular distribution a range single-element target materials. The were conducted normal argon ion incidence 300–1200 eV at an oblique angle selected energies. examined differential yields transiti...

2006
Ian F. Blake Gary L. Mullen Daniel Panario

Self-reciprocal irreducible monic (srim) polynomials over finite fields have been studied in the past. These polynomials can be studied in the context of quadratic transformation of irreducible polynomials over finite fields. In this talk we present the generalization of some of the results known about srim polynomials to polynomials obtained by quadratic transformation of irreducible polynomia...

2007
M. L. Benabderrahmane

The original Lindhard-Scharff-Schiøtt (LSS) theory and the more recent Tilinin theory for calculating the nuclear and electronic stopping powers of slow heavy ions are compared with predictions from the SRIM code by Ziegler. While little discrepancies are present for the nuclear contribution to the energy loss, large differences are found in the electronic one. When full ion recoil cascade simu...

2004
Robert A. Weller

An algorithm has been developed for the GEANT4 Monte-Carlo package for the efficient computation of screened Coulomb interatomic scattering. It explicitly integrates the classical equations of motion for scattering events, resulting in precise tracking of both the projectile and the recoil target nucleus. The algorithm permits the user to plug in an arbitrary screening function, such as Lens-Je...

2012
M. Schlapp R. C. Pardo R. C. Vondrasek J. Szczech P. J. Billquist J. Vieregg

Related Articles Production of negative ions on graphite surface in H2/D2 plasmas: Experiments and srim calculations Phys. Plasmas 19, 063503 (2012) Electrical shielding box measurement of the negative hydrogen beam from Penning ion gauge ion source Rev. Sci. Instrum. 83, 063302 (2012) Meniscus and beam halo formation in a tandem-type negative ion source with surface production Appl. Phys. Lett...

2004
Marcus H. Mendenhall Robert A. Weller

An algorithm has been developed for the GEANT4 Monte-Carlo package for the efficient computation of screened Coulomb interatomic scattering. It explicitly integrates the classical equations of motion for scattering events, resulting in precise tracking of both the projectile and the recoil target nucleus. The algorithm permits the user to plug in an arbitrary screening function, such as Lens-Je...

1998
S. Shaheen Fatima Garimella Uma

Several formalisms for implementing organizational policies that assign specij2 roles to agents in a MAS have been proposed like the contract net protocol (CNP), the social reasoning mechanism (SRIM), and the distributed computational economy (DCE). Organization self design (OSD) had been proposed to achieve load balancing in a distributed environment. In this paper we propose an adaptive organ...

2005
Marcus H. Mendenhall Robert A. Weller

An algorithm has been developed for the GEANT4 Monte-Carlo package for the efficient computation of screened Coulomb interatomic scattering. It explicitly integrates the classical equations of motion for scattering events, resulting in precise tracking of both the projectile and the recoil target nucleus. The algorithm permits the user to plug in an arbitrary screening function, such as Lens-Je...

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