Ion-beam induced nano-sized Ag-metal clusters in glass
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چکیده
منابع مشابه
Ion-Beam Induced Nano-Sized Ag Metal-Clusters in Glass
Silver metal clusters have been formed in soda lime glass by high-energy heavy ion diation at ISL. The metal cluster formation was detected with X-ray absorption spe copy (EXAFS) in fluorescence mode, and the shape of the clusters was imaged transmission electron microscopy. While annealing in reducing atmosphere alone a leads to the formation of metal clusters in Ag containing glasses, where t...
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1 Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA 2 Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA, USA 3 School of Materials Science and Engineering, Nanyang Technological University, Singapore 4 Department of Geological Sciences, University of Michigan, Ann Arbor, MI, USA 5 Departmen...
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Micro-channels are made over the Ag+/Na+ ion-exchanged soda-lime glass surface by interaction of an intense Ar+ laser beam and the silver ions inside the glass matrix. The Ar+ laser beam reduces the Ag+ ions inside the matrix. The Ag+ atoms aggregate into silver nano-clusters around the interaction area, inside the glass matrix. Aggregation of the silver atoms and the thermal effects of the int...
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Medium-sized double magic metal clusters, Al@Ag(54) (-) and Al@Cu(54) (-), are predicted based on unbiased global search and density functional calculation. Both bimetallic core-shell clusters have icosahedral symmetry, and they are much lower in energies than all other low-lying isomers. In contrast, the icosahedral cluster Al@Au(54) (-) is a high-energy isomer. Both Al@Ag(54) (-) and Al@Cu(54...
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To date, nano-and micro-structuring has commonly been implemented by a combination of specifically optimized processes of electron-beam lithography and reactive ion etching, thus limiting the range of materials that can be structured to only a few. In this talk we will introduce focused ion beam (FIB) milling as an emerging technology that enables fast, reliable and well-controlled nanometer-si...
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ژورنال
عنوان ژورنال: Materials Science and Engineering: B
سال: 2008
ISSN: 0921-5107
DOI: 10.1016/j.mseb.2007.11.036