Positron annihilation spectroscopy of defects in nuclear and irradiated materials-a review

FA Selim - Materials Characterization, 2021 - Elsevier
Positron is the only probe that can detect individual atomic vacancies and small and large
vacancy clusters induced by irradiation with remarkable sensitivity, providing information …

Thermal energy transport in oxide nuclear fuel

DH Hurley, A El-Azab, MS Bryan, MWD Cooper… - Chemical …, 2021 - ACS Publications
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …

Imperfect makes perfect: defect engineering of photoelectrodes towards efficient photoelectrochemical water splitting

X Wang, S Ma, B Liu, S Wang, W Huang - Chemical Communications, 2023 - pubs.rsc.org
Photoelectrochemical (PEC) water splitting for hydrogen evolution has been considered as
a promising technology to solve the energy and environmental issues. However, the solar-to …

On the helium bubble swelling in nano-oxide dispersion-strengthened steels

V Krsjak, T Shen, J Degmova, S Sojak, E Korpas… - Journal of Materials …, 2022 - Elsevier
The development of structural materials resistant to harsh radiation environments requires
an in-depth understanding of the early stage of the aging processes. In radiation …

A new system for real-time data acquisition and pulse parameterization for digital positron annihilation lifetime spectrometers with high repetition rates

E Hirschmann, M Butterling, UH Acosta… - Journal of …, 2021 - iopscience.iop.org
We present a new system for high repetition rate and real-time pulse analysis implemented
at the Monoenergetic Positron Source (MePS) at the superconducting electron LINAC ELBE …

In-situ TEM investigation of void swelling in nickel under irradiation with analysis aided by computer vision

WY Chen, ZG Mei, L Ward, B Monsen, J Wen… - Acta Materialia, 2023 - Elsevier
Understanding the stability of irradiation-induced voids in materials is important for
engineering material's swelling behavior under irradiation. In-situ TEM offers a spatial and …

Formation and time dynamics of hydrogen-induced vacancies in nickel

L Chiari, K Kojima, Y Endo, H Teshigahara… - Acta Materialia, 2021 - Elsevier
The formation of hydrogen-induced defects in nickel was investigated by positron
annihilation lifetime spectroscopy (PALS) and the time dynamics of those defects during …

Concentric core-shell tracks and spectroscopic properties of SrTiO3 under intense electronic excitation

X Han, E Zarkadoula, Q Huang, ML Crespillo, X Wang… - Nano Today, 2022 - Elsevier
A deeper understanding of the intrinsic link between the irradiation-induced microstructures
and the corresponding spectroscopic properties is becoming increasingly attractive for the …

Electrochemical characterization and structural analysis of (In2O3)/(Fe2O3) nanocomposites for high-performance supercapacitors

S Jabeen, J Iqbal, S Samarin, J Williams, S Khan… - Ceramics …, 2024 - Elsevier
This study presents a comprehensive investigation of the electrochemical characteristics
and structural properties of novel nanocomposites with varying compositions of (In 2 O 3) …

Using lifetime of point defects for dislocation bias in bcc Fe

J Hao, L Casillas-Trujillo, H Xu - Current Opinion in Solid State and …, 2022 - Elsevier
The interaction between dislocations and point defects is key to deformation processes and
microstructural evolution of structural materials. In this work, we compute the lifetime of point …