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  1. No Access

    Article

    Comparison of Dislocation Loop Formation Resistance in Nanocrystalline and Coarse-Grained Refractory High Entropy Alloys

    In nanocrystalline high entropy alloys (HEAs), the difference in chemistry and the density of interfaces play a role in the microstructure evolution, although their relative importance is not well understood. ...

    Osman El-Atwani, Hi Vo, Nick Krienke, Enrique Martinez… in High Entropy Alloys & Materials (2023)

  2. No Access

    Chapter and Conference Paper

    Assessing Manufacturability of the Oxide Dispersion Strengthened (ODS) 14YWT Alloy Fuel Cladding Tube Using SolidStir™ Technology

    The 14YWT (Fe–14Cr–3W–0.4Ti–0.3Y2O3 (wt.%)) alloy is a potential candidate material for fabricating and other structural components to be used in next-generation advanced nuclear reactors. Due to inherent limit...

    Shubhrodev Bhowmik, Pranshul Varshney… in Friction Stir Welding and Processing XII (2023)

  3. No Access

    Article

    Study of scalable IBS nanopatterning mechanisms for III-V semiconductors using in-situ surface characterization

    Ion-beam sputtering (IBS) has been studied as a means for scalable, mask-less nanopatterning of surfaces. Patterning at the nanoscale has been achieved for numerous types of materials including: semiconductors...

    Jean Paul Allain, Osman El-Atwani, Alex Cimaroli… in MRS Online Proceedings Library (2011)

  4. Article

    Open Access

    Formation of silicon nanodots via ion beam sputtering of ultrathin gold thin film coatings on Si

    Ion beam sputtering of ultrathin film Au coatings used as a physical catalyst for self-organization of Si nanostructures has been achieved by tuning the incident particle energy. This approach holds promise as...

    Osman El-Atwani, Sami Ortoleva, Alex Cimaroli… in Nanoscale Research Letters (2011)

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