Monte Carlo simulation for predicting neutron-induced single-event upset in ferroelectric random access memory

IF 1.3 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER
Hong Zhang, Jing Huang, H. Guo, Z. Lei, B. Li
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引用次数: 0

Abstract

Abstract The influence of the single event effects (SEE) induced by neutron up to 14 MeV on ferroelectric random access memory (FRAM) is simulated by the Monte Carlo method. Simulation results show that single-event upset (SEU) occurs in FRAM when the neutron energy is greater than 6 MeV, and the average energy deposition of neutrons in the sensitive volume increases with increasing neutron energy. Neutron SEU in FRAM occurs when the energy deposition of a single secondary particles generated by a nuclear reaction in the sensitive region exceeds the critical energy. The neutron SEU cross-section of FRAM increases exponentially with increasing energy in the range of 6–14 MeV, and the SEU cross-section is about 1.39 × 10−14 cm2 at 14 MeV. These findings are due to concomitant increases in the variety and numbers of secondary particles whose energy deposition in the sensitive region exceeds the critical energy.
预测铁电随机存取存储器中中子引起的单事件扰动的蒙特卡罗模拟
摘要采用蒙特卡罗方法模拟了高达14 MeV的中子诱导的单事件效应对铁电随机存取存储器(FRAM)的影响。仿真结果表明,当中子能量大于6 MeV时,FRAM中会发生单事件扰动(SEU),并且随着中子能量的增加,敏感体中中子的平均能量沉积增加。当敏感区核反应产生的单个二次粒子的能量沉积超过临界能量时,FRAM中的中子SEU就会发生。在6 ~ 14 MeV范围内,FRAM的中子SEU截面随能量的增加呈指数增长,在14 MeV时的SEU截面约为1.39 × 10−14 cm2。这些发现是由于伴随增加的二次粒子的种类和数量,其能量沉积在敏感区超过临界能量。
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来源期刊
Ferroelectrics Letters Section
Ferroelectrics Letters Section 物理-物理:凝聚态物理
CiteScore
1.10
自引率
0.00%
发文量
1
审稿时长
4.8 months
期刊介绍: Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.
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