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Surface reconstruction and decahedral structure of bimetallic nanoparticles.
Rodríguez-López, J L; Montejano-Carrizales, J M; Pal, U; Sánchez-Ramírez, J F; Troiani, H E; García, D; Miki-Yoshida, M; José-Yacamán, M.
Afiliação
  • Rodríguez-López JL; Advanced Materials Department, IPICYT, Camino Presa San José 2055, 78216 San Luis Potosí, San Luis Potosí, Mexico.
Phys Rev Lett ; 92(19): 196102, 2004 May 14.
Article em En | MEDLINE | ID: mdl-15169422
We report on energetic surface reconstruction phenomena observed on bimetallic nanoparticle systems of AuPd and AuCu, similar to a resolidification effect observed during the cooling process in lead clusters. These binary alloy nanoparticles show the fivefold edges truncated, resulting in [100] facets on decahedral structures, an effect largely envisioned and reported theoretically, with no experimental evidence so far. We demonstrate experimentally as well as by computational simulations that this new eutectic structure is favored in such nanoalloy systems.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2004 Tipo de documento: Article País de afiliação: México País de publicação: Estados Unidos
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2004 Tipo de documento: Article País de afiliação: México País de publicação: Estados Unidos