Fusion materials modeling: Challenges and opportunities

BD Wirth, K Nordlund, DG Whyte, D Xu - MRS bulletin, 2011 - Springer
The plasma facing components, first wall, and blanket systems of future tokamak-based
fusion power plants arguably represent the single greatest materials engineering challenge …

Multiscale modelling of plasma–wall interactions in fusion reactor conditions

K Nordlund, C Björkas, T Ahlgren… - Journal of Physics D …, 2014 - iopscience.iop.org
The interaction of fusion reactor plasma with the material of the first wall involves a complex
multitude of interlinked physical and chemical effects. Hence, modern theoretical treatment …

Calculation of secondary electron emission yields from low-energy electron deposition in tungsten surfaces

HY Chang, A Alvarado, J Marian - Applied Surface Science, 2018 - Elsevier
We present calculations of secondary electron emission (SEE) yields in tungsten as a
function of primary electron energies between 100 eV and 1 keV and incidence angles …

MD simulations of low energy deuterium irradiation on W, WC and W2C surfaces

A Lasa, C Björkas, K Vörtler, K Nordlund - Journal of nuclear materials, 2012 - Elsevier
According to the present design beryllium (Be), tungsten (W) and carbon (C) will be the
plasma facing materials in the ITER fusion reactor. Due to sputtering and subsequent re …

On the role of integrated computer modelling in fusion technology

S Smolentsev, GA Spagnuolo, A Serikov… - Fusion Engineering and …, 2020 - Elsevier
Computer modelling is expected to play an increasingly important role in fusion design and
technology, where the complexity of the physical processes involved (plasma, materials …

Monte Carlo modeling of low-energy electron-induced secondary electron emission yields in micro-architected boron nitride surfaces

HY Chang, A Alvarado, T Weber, J Marian - Nuclear Instruments and …, 2019 - Elsevier
Surface erosion and secondary electron emission (SEE) have been identified as the most
critical life-limiting factors in channel walls of Hall-effect thrusters for space propulsion …

report Miscellaneous Citation| Accession Number

MSPUSDRE Legal - apps.dtic.mil
This Memorandum for the Chairman of the Joint Chiefs of Staff is open analysis of the major
outcomes and implications emerging from the United States Army War College s 25th …

Chemical sputtering from amorphous carbon under bombardment by deuterium atoms and molecules

PS Krstic, CO Reinhold, SJ Stuart - New Journal of Physics, 2007 - iopscience.iop.org
We perform classical molecular dynamics simulations of the chemical sputtering of
deuterated amorphous carbon surfaces by D and D 2, at energies of 7.5–30 eV D− 1 …

H+ ion-induced damage and etching of multilayer graphene in H2 plasmas

A Davydova, E Despiau-Pujo, G Cunge… - Journal of Applied …, 2017 - pubs.aip.org
H+ ion-induced damage of multilayer graphene (MLG) is investigated using Molecular
Dynamics simulations as H 2 plasmas could provide a possible route to pattern graphene …

Development of empirical bond-order-type interatomic potential for amorphous carbon structures

T Kumagai, S Hara, J Choi, S Izumi… - Journal of Applied Physics, 2009 - pubs.aip.org
A bond-order-type interatomic potential has been developed for reproducing amorphous
carbon (aC) structures. Several improvements have been incorporated into the conventional …