Ion beam analysis of fusion plasma-facing materials and components: facilities and research challenges

M Mayer, S Möller, M Rubel, A Widdowson… - Nuclear …, 2019 - iopscience.iop.org
Abstract Following the IAEA Technical Meeting on'Advanced Methodologies for the Analysis
of Materials in Energy Applications Using Ion Beam Accelerators', this paper reviews the …

Charged particles: Unique tools to study irradiation resistance of concentrated solid solution alloys

Y Zhang, L Wang, WJ Weber - Journal of Materials Science & Technology, 2023 - Elsevier
Many multicomponent concentrated solid solution alloys (CSAs), including high-entropy
alloys (HEAs), exhibit improved radiation resistance and enhanced structural stability in …

In-situ TEM observation of the response of ultrafine-and nanocrystalline-grained tungsten to extreme irradiation environments

O El-Atwani, JA Hinks, G Greaves, S Gonderman… - Scientific reports, 2014 - nature.com
The accumulation of defects and in particular He bubbles, can have significant implications
for the performance of materials exposed to the plasma in magnetic-confinement nuclear …

Microstructural evolution of helium-irradiated 6H–SiC subjected to different irradiation conditions and annealing temperatures: A multiple characterization study

N Daghbouj, BS Li, M Callisti, HS Sen, M Karlik… - Acta Materialia, 2019 - Elsevier
The microstructural phenomena occurring in 6H–SiC subjected to different irradiation
conditions and annealing temperatures were investigated to assess the suitability of 6H–SiC …

[HTML][HTML] Concurrent in situ ion irradiation transmission electron microscope

K Hattar, DC Bufford, DL Buller - … and Methods in Physics Research Section …, 2014 - Elsevier
An in situ ion irradiation transmission electron microscope has been developed and is
operational at Sandia National Laboratories. This facility permits high spatial resolution, real …

Grain size threshold for enhanced irradiation resistance in nanocrystalline and ultrafine tungsten

O El-Atwani, JA Hinks, G Greaves… - Materials Research …, 2017 - Taylor & Francis
Nanocrystalline metals are considered highly radiation-resistant materials due to their large
grain boundary areas. Here, the existence of a grain size threshold for enhanced irradiation …

[HTML][HTML] New microscope and ion accelerators for materials investigations (MIAMI-2) system at the University of Huddersfield

G Greaves, AH Mir, RW Harrison, MA Tunes… - Nuclear Instruments and …, 2019 - Elsevier
Radiation damage is a complex dynamic process with multiple atomic mechanisms
interacting and competing to determine the end state of the material. Transmission electron …

Effects of 3d electron configurations on helium bubble formation and void swelling in concentrated solid-solution alloys

Y Zhang, X Wang, YN Osetsky, Y Tong, R Harrison… - Acta Materialia, 2019 - Elsevier
Elemental specific chemical complexity is known to play a critical role in microstructure
development in single-phase concentrated solid-solution alloys (SP-CSAs), including both …

In-situ observation and atomic resolution imaging of the ion irradiation induced amorphisation of graphene

CT Pan, JA Hinks, QM Ramasse, G Greaves… - Scientific reports, 2014 - nature.com
Ion irradiation has been observed to induce a macroscopic flattening and in-plane shrinkage
of graphene sheets without a complete loss of crystallinity. Electron diffraction studies …

Enhanced sputtering yields from single-ion impacts on gold nanorods

G Greaves, JA Hinks, P Busby, NJ Mellors, A Ilinov… - Physical review …, 2013 - APS
Sputtering yields, enhanced by more than an order of magnitude, have been observed for
80 keV Xe ion irradiation of monocrystalline Au nanorods. Yields are in the range 100–1900 …