نتایج جستجو برای: au13 nanocluster
تعداد نتایج: 1001 فیلتر نتایج به سال:
The integration of synthetic, experimental and theoretical tools into a self-consistent data analysis methodology allowed us to develop unique new levels of detail in nanoparticle characterization. We describe our methods using an example of Au13 monolayer-protected clusters (MPCs), synthesized by ligand exchange methods. The combination of atom counting methods of scanning transmission electro...
ab initio study of molecular struture, energetic and vibrational spectra of (gan)4 nanosemiconductor
in recent years there has been considerable interest in the structures, energies and thermodynamics of(gan)4 clusters and it is the subject of many experimental and theoretical studies because of theirfundamental importance in chemical and physical process. all calculation of this study is carried outby gaussian 98. geometry optimization for (gan)4 nanocluster are be fulfilled at b3lyp, b1lypan...
Interface microenvironment mediated surface-Mn 2+ -involving direct charge transfer with interfacial alkylamines was for the first time revealed by using an atomically precise semiconductor nanocluster model uniform near-surface Mn ions.
The tetradecanuclear FeIII pivalate nanocluster [Fe14O10(OH)₄(Piv)18], comprising a new type of metal oxide framework, has been solvothermally synthesized from a hexanuclear iron pivalate precursor in dichlormethane/acetonitrile solution. Magnetic measurements indicate the presence of very strong antiferromagnetic interactions in the cluster core.
Mixtures of an appropriate carboxylic acid and n-butylstannoic acid constitute modular gelation systems, in which the formation of a well-defined 'tin-drum' nanocluster subsequently underpins the hierarchical assembly of nanostructured fibres, which form self-supporting gel-phase networks in organic solvents.
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