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Molecular dynamics simulations of helium cluster formation in tungsten
2006 (English)In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, ISSN 0168-583X, E-ISSN 1872-9584, Vol. 244, no 2, 377-391 p.Article in journal (Refereed) Published
Abstract [en]

Molecular dynamics simulations of helium implantation into single-crystalline tungsten at 0 and 300 K have been performed. Non-damaging ion energies of 50, 100 and 200 eV were used. Clusters containing up to the order of 100 He atoms were formed. These clusters were nucleated athermally, via the creation of (111) crowdion interstitials and interstitial dislocation loop punching. Ruptures of He clusters were observed, but no associated ejection of W atoms.

Place, publisher, year, edition, pages
2006. Vol. 244, no 2, 377-391 p.
Keyword [en]
implantation, cluster, bubble, helium, tungsten, (100) surface, molecular dynamics simulations, plasma-facing components, equation-of-state, ion-bombardment, metals, molybdenum, damage, hydrogen, bubbles, energy, iter
Identifiers
URN: urn:nbn:se:kth:diva-15483ISI: 000235722600014OAI: oai:DiVA.org:kth-15483DiVA: diva2:333524
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Henriksson, Krister O. E.
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