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Co–Au core-shell nanocrystals formed by sequential ion implantation into
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10.1063/1.2360891
/content/aip/journal/apl/89/15/10.1063/1.2360891
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2360891

Figures

Image of FIG. 1.
FIG. 1.

Cross-sectional TEM images and size distribution of Co–Au NCs. The lower panels show the existence of Co–Au core-shell NCs as well as monoelemental NCs. The high-resolution image of a Co–Au core-shell NC reveals a significant bending of the lattice fringes consistent with high strain.

Image of FIG. 2.
FIG. 2.

Cross-sectional TEM images and size distributions of (a) Au NCs and (b) Co NCs.

Image of FIG. 3.
FIG. 3.

Non-phase corrected Fourier transformed EXAFS spectra of (a) Au film, Au NCs, and Co–Au NCs at the Au edge ( weighted) and (b) Co film, Co NCs, and Co–Au NCs at the Co edge ( weighted). The solid lines show the corresponding first-shell fits. The insets show bond lengths and Debye-Waller factors as given in Table I.

Tables

Generic image for table
Table I.

Refined fitting parameters from EXAFS analysis of the first coordination shell of metal film and NC samples. , , and are the coordination number, bond length, and Debye-Waller factor, respectively.

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/content/aip/journal/apl/89/15/10.1063/1.2360891
2006-10-12
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Co–Au core-shell nanocrystals formed by sequential ion implantation into SiO2
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2360891
10.1063/1.2360891
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