Radiation damage
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Mechanism of Radiation Damage Reduction in Equiatomic Multicomponent Single Phase Alloys Open
Recently a new class of metal alloys, of single-phase multicomponent composition at roughly equal atomic concentrations ("equiatomic"), have been shown to exhibit promising mechanical, magnetic, and corrosion resistance properties, in part…
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Predicting damage production in monoatomic and multi-elemental targets using stopping and range of ions in matter code: Challenges and recommendations Open
The computer code, Stopping and Range of Ions in Matter (SRIM), is widely used to describe energetic processes of ion-solid interactions; its predictive power relies on the accuracy of energy loss/transfer and collision processes being con…
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Radiation damage in silicon particle detectors: Microscopic defects and macroscopic properties Open
Silicon microstrip and pixel detectors are the key devices for the measurement of particle trajectories in elementary particle collision experiments. In present-day and future high luminosity experiments (e.g. ATLAS, CMS, LHCb and HERA-B) …
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Displacement Damage in Silicon Detectors for High Energy Physics Open
In this article we review the radiation damage issues caused by displacement damage in silicon sensors operating in the harsh radiation environments of High Energy Physics experiments. The origin and parameterization of the changes in the …
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Historical review of computer simulation of radiation effects in materials Open
In this Article, I review the development of computer simulation techniques for studying radiation effects in materials from 1946 until 2018. These developments were often closely intertwined with associated experimental developments, whic…
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Direct Observation of Defect Range and Evolution in Ion-Irradiated Single Crystalline Ni and Ni Binary Alloys Open
Energetic ions have been widely used to evaluate the irradiation tolerance of structural materials for nuclear power applications and to modify material properties. It is important to understand the defect production, annihilation and migr…
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Ionizing Radiation and Complex DNA Damage: From Prediction to Detection Challenges and Biological Significance Open
Biological responses to ionizing radiation (IR) have been studied for many years, generally showing the dependence of these responses on the quality of radiation, i.e., the radiation particle type and energy, types of DNA damage, dose and …
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XFELs for structure and dynamics in biology Open
The development and application of the free-electron X-ray laser (XFEL) to structure and dynamics in biology since its inception in 2009 are reviewed. The research opportunities which result from the ability to outrun most radiation-damage…
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Machine-learning interatomic potential for radiation damage and defects in tungsten Open
We introduce a machine-learning interatomic potential for tungsten using the Gaussian approximation potential framework. We specifically focus on properties relevant for simulations of radiation-induced collision cascades and the damage th…
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Radiation damage and dose limits in serial synchrotron crystallography at cryo- and room temperatures Open
Radiation damage limits the accuracy of macromolecular structures in X-ray crystallography. Cryogenic (cryo-) cooling reduces the global radiation damage rate and, therefore, became the method of choice over the past decades. The recent ad…
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SiC detectors: A review on the use of silicon carbide as radiation detection material Open
Silicon Carbide (SiC) is a wide bandgap semiconductor with many excellent properties that make it one of the most promising and well-studied materials for radiation particle detection. This review provides an overview of the main advantage…
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Structural dynamics in proteins induced by and probed with X-ray free-electron laser pulses Open
X-ray free-electron lasers (XFELs) enable crystallographic structure determination beyond the limitations imposed upon synchrotron measurements by radiation damage. The need for very short XFEL pulses is relieved through gating of Bragg di…
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Radiation damage in protein crystallography at X-ray free-electron lasers Open
Radiation damage is still the most limiting factor in obtaining high-resolution structures of macromolecules in crystallographic experiments at synchrotrons. With the advent of X-ray free-electron lasers (XFELs) that produce ultrashort and…
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<i>Ab initio</i> threshold displacement energies in iron Open
International audience
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Various damage mechanisms in carbon and silicon materials under femtosecond X-ray irradiation Open
We review the results of our research on damage mechanisms in materials irradiated with femtosecond free-electron-laser (FEL) pulses. They were obtained using our hybrid approach, X-ray-induced thermal and non-thermal transitions (XTANT). …
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Radiation endurance in Al2O3 nanoceramics Open
The lack of suitable materials solutions stands as a major challenge for the development of advanced nuclear systems. Most issues are related to the simultaneous action of high temperatures, corrosive environments and radiation damage. Oxi…
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The role of NLRP3 inflammasome activation in radiation damage Open
Radiotherapy (RT) is currently one of the leading treatment for various cancers and it may cause injury to healthy tissue, with both short-term and long-term side effects. Inflammatory responses play an important role in the adverse reacti…
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Editors' Choice—On the Radiation Tolerance of AlGaN/GaN HEMTs Open
The radiation tolerance of AlGaN/GaN high electron mobility transistors (HEMTs) fabricated on high quality, low threading dislocation density (TDD) ammonothermal GaN and hydride vapor phase epitaxy GaN substrates was studied and compared t…
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Origin of radiation resistance in multi-principal element alloys Open
Using molecular dynamics simulations, we characterized the generation and evolution of radiation-induced point defects in the CoCrFeMnNi high-entropy alloy (HEA), to compare it with pure Ni and pure Fe. The generation of primary point defe…
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Radiation degradation characteristics of component subcells in inverted metamorphic triple-junction solar cells irradiated with electrons and protons Open
The radiation response of In0.5Ga0.5P, GaAs, In0.2Ga0.8As, and In0.3Ga0.7As single-junction solar cells, whose materials are also used as component subcells of inverted metamorphic triple-junction (IMM3J) solar cells, was investigated. All…
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Cascade fragmentation: deviation from power law in primary radiation damage Open
The sizes of defect clusters, produced in materials by energetic ion or neutron impacts, are critically important input for models describing microstructural evolution of irradiated materials. We propose a model for the distribution of siz…
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Unprecedented Radiation Resistant Thorium–Binaphthol Metal–Organic Framework Open
A thorium-organic framework (TOF-16) containing hexameric secondary building units connected by functionalized binaphthol linkers was synthesized, characterized, and irradiated to probe its radiation resistance. Radiation stability was exa…
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Chemically stable new MAX phase V<sub>2</sub>SnC: a damage and radiation tolerant TBC material Open
Using density functional theory, the phase stability and physical properties, including structural, electronic, mechanical, thermal and vibrational with defect processes, of a newly synthesized 211 MAX phase V2SnC are investigated for the …
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Defect structures and statistics in overlapping cascade damage in fusion-relevant bcc metals Open
Most experimental work on radiation damage is performed to fairly high doses, where cascade overlap effects come into play, yet atomistic simulations of the primary radiation damage have mainly been performed in initially perfect lattice. …
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Protein microcrystallography using synchrotron radiation Open
The progress in X-ray microbeam applications using synchrotron radiation is beneficial to structure determination from macromolecular microcrystals such as small in meso crystals. However, the high intensity of microbeams causes severe rad…
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Collision cascades overlapping with self-interstitial defect clusters in Fe and W Open
Overlap of collision cascades with previously formed defect clusters become increasingly likely at radiation doses typical for materials in nuclear reactors. Using molecular dynamics, we systematically investigate the effects of different …
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Unraveling radiation damage and healing mechanisms in halide perovskites using energy-tuned dual irradiation dosing Open
Perovskite photovoltaics have been shown to recover, or heal, after radiation damage. Here, we deconvolve the effects of radiation based on different energy loss mechanisms from incident protons which induce defects or can promote efficien…
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Radiation effects on two-dimensional materials Open
The effects of electromagnetic and particle irradiation on two-dimensional materials (2DMs) are discussed in this review. Radiation creates defects that impact the structure and electronic performance of materials. Determining the impact o…
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X-ray radiation damage to biological macromolecules: further insights Open
Despite significant progress made over more than 15 years of research, structural biologists are still grappling with the issue of radiation damage suffered by macromolecular crystals which is induced by the resultant radiation chemistry o…
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Single-Phase Concentrated Solid-Solution Alloys: Bridging Intrinsic Transport Properties and Irradiation Resistance Open
Single-phase concentrated solid-solution alloys (SP-CSAs), including high entropy alloys (HEAs), are compositionally complex but structurally simple, and provide a playground of tailoring material properties through modifying their composi…