نتایج جستجو برای: srim code
تعداد نتایج: 167967 فیلتر نتایج به سال:
An analysis of the effects of low energy proton irradiation on the electrical performance of triple junction (3J) InGaP2/GaAs/Ge solar cells is presented. The Monte Carlo ion transport code (SRIM) is used to simulate the damage profile induced in a 3J solar cell under the conditions of typical ground testing and that of the space environment. The results are used to present a quantitative analy...
Ion-optical calculations are often performed as a first step when designing magnetic systems. As a second step Monte-Carlo simulations are performed of EVaporation Residue (EVR) trajectories through the separator, varying parameters like target thickness, gas pressure and magnet field. Such a program is very useful to optimize all system parameters and to plan and to prepare experiments. The ne...
One of the most important results of neutron irradiation on targets is that atoms are displaced from their lattice sites after that a nuclear reaction. The neutron irradiation damage is often simulated by using light/heavy ion irradiations, which prepare flexible irradiation conditions. The knowledge of primary knock-on atoms (PKA) and point defect energy distribution is the first step to simul...
Background: Solid targets that consist of powder and electrodeposited targets are used commonly to produce radionuclides by accelerators. Since silver is easily electrodeposited in cyanide baths and has a very excellent thermal conductivity, the electrodeposited target is preferable to produce 109Cd. To avoid cracking or peeling of the target during bombardment, it should have a level surface a...
To get an accurate description of has-dynamic motions at the target irradiation with an ion beam we must know the profile of energy release during ion stopping. The experimental dependence dE/dx in graphite with different densities, obtained during the experiments at the SIS-18 (GSI) accelerator by the team of VNIIEF, ITEP and GSI specialists, is presented in Fig.1 [1]. The experimental depende...
Due to its unique material properties, such as extreme hardness and radiation resistance, silicon carbide has been used an important construction for environments with conditions, like those present in nuclear reactors. As such, it is constantly exposed energetic particles (e.g., neutrons) consequently subjected gradual crystal lattice degradation. In this article, the 6H-SiC damage simulated b...
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...
سازمان های قانون گذار صنعت دریانوردی، سالهای زیادی سعی خویش را در جهت بهبود این صنعت، از طریق ارائه استانداردهای فنی، کاربرد تکنولوژی های جدید و تصویب قوانین بین المللی مرتبط با این استانداردها و تکنولوژی ها صرف نمودند. بررسی سوانح دریایی نشان داد که عامل انسانی سهم عمده ای از دلایل وقوع حوادث ناگوار دریایی می باشد. imo از سال 1998 در راستای پیشگیری از خطای انسانی در کشتی های کنوانسیونی، استقرا...
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