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Atomistic Modeling of Nanostructures via the BFS Quantum Approximate Method (2003)

Garces, Jorge E. ; Noebe, Ronald D. ; Bozzolo, Guillermo ; [et al.]

In: CASI

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Publication Date: 2019-07-10

Description: Ideally, computational modeling techniques for nanoscopic physics would be able to perform free of limitations on the type and number of elements, while providing comparable accuracy when dealing with bulk or surface problems. Computational efficiency is also desirable, if not mandatory, for properly dealing with the complexity of typical nano-strucured systems. A quantum approximate technique, the BFS method for alloys, which attempts to meet these demands, is introduced for the calculation of the energetics of nanostructures. The versatility of the technique is demonstrated through analysis of diverse systems, including multi-phase precipitation in a five element Ni-Al-Ti-Cr-Cu alloy and the formation of mixed composition Co-Cu islands on a metallic Cu(III) substrate.

Keywords: Metals and Metallic Materials

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