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Review of Swift Heavy Ion Irradiation Effects in CeO 2

机译：首席执行官SWIFT重离子辐照效应综述2

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摘要

Cerium dioxide (CeO2) exhibits complex behavior when irradiated with swift heavy ions. Modifications to this material originate from the production of atomic-scale defects, which accumulate and induce changes to the microstructure, chemistry, and material properties. As such, characterizing its radiation response requires a wide range of complementary characterization techniques to elucidate the defect formation and stability over multiple length scales, such as X-ray and neutron scattering, optical spectroscopy, and electron microscopy. In this article, recent experimental efforts are reviewed in order to holistically assess the current understanding and knowledge gaps regarding the underlying physical mechanisms that dictate the response of CeO2 and related materials to irradiation with swift heavy ions. The recent application of novel experimental techniques has provided additional insight into the structural and chemical behavior of irradiation-induced defects, from the local, atomic-scale arrangement to the long-range structure. However, future work must carefully account for the influence of experimental conditions, with respect to both sample properties (e.g., grain size and impurity content) and ion-beam parameters (e.g., ion mass and energy), to facilitate a more direct comparison of experimental results.
机译：二氧化铈（CEO2）在用SWIFT重离子照射时表现出复杂的行为。对该材料的修饰源自产生原子缺陷，其积聚并诱导微观结构，化学和材料性能的变化。因此，表征其辐射响应需要各种互补表征技术，以阐明多个长度尺度的缺陷形成和稳定性，例如X射线和中子散射，光学光谱和电子显微镜。在本文中，审查了最近的实验努力，以便全能地评估关于对CEO2和相关材料反应的潜在物理机制的现有理解和知识差距，以与迅速的重离子照射。最近的新型实验技术的应用已经提供了对照射诱导的缺陷的结构和化学行为的额外洞察，从局部原子级布置到远程结构。然而，未来的工作必须仔细考虑实验条件的影响，相对于样品性质（例如，晶粒尺寸和杂质含量）和离子束参数（例如，离子质量和能量），以便于更直接的比较实验结果。

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