Fabrication and structural analysis of Al, Ga, and In nanocluster crystals
Identifieur interne : 001C59 ( Chine/Analysis ); précédent : 001C58; suivant : 001C60Fabrication and structural analysis of Al, Ga, and In nanocluster crystals
Auteurs : RBID : Pascal:02-0563086Descripteurs français
- Pascal (Inist)
- Wicri :
- concept : Aluminium.
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Abstract
Artificial nanocluster crystals of In, Ga, and Al were fabricated using a technique in which surface mediated magic clustering is used to achieve identical cluster size while the Si(111)-7×7 surface is used as a template for ordering the clusters. The atomic structures, formation mechanism and stability of the nanoclusters were studied with in situ scanning tunneling microscopy combined with first-principles total energy calculations. Our study shows that delicate control of growth kinetics is extremely important for cluster crystal fabrication, and there is essentially no limitation to this method. The high thermal stability and unique structure make these artificial nanocluster crystals promising for various applications.
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<author><name sortKey="Wang, Jun Zhong" uniqKey="Wang J">Jun-Zhong Wang</name>
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<front><div type="abstract" xml:lang="en">Artificial nanocluster crystals of In, Ga, and Al were fabricated using a technique in which surface mediated magic clustering is used to achieve identical cluster size while the Si(111)-7×7 surface is used as a template for ordering the clusters. The atomic structures, formation mechanism and stability of the nanoclusters were studied with in situ scanning tunneling microscopy combined with first-principles total energy calculations. Our study shows that delicate control of growth kinetics is extremely important for cluster crystal fabrication, and there is essentially no limitation to this method. The high thermal stability and unique structure make these artificial nanocluster crystals promising for various applications.</div>
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