نتایج جستجو برای: metal cluster

تعداد نتایج: 395377  

Journal: :ACS central science 2023

ADVERTISEMENT RETURN TO ARTICLES ASAPPREVFirst ReactionsNEXTCoinage Metal Cluster Scintillator for X-ray ImagingCoinage metal clusters are reported as a substitute traditional commercial imaging scintillators with broad application prospects.Kai HanKai HanState Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Fiber Laser Applied Techniques, Engineering Technology Resear...

Journal: :Microscopy Microanalysis Microstructures 1991

Journal: :ACS central science 2023

X-ray scintillators are widely used in medical imaging, industrial flaw detection, security inspection, and space exploration. However, traditional commercial usually associated with a high use cost because of their substantial toxicity easy deliquescence. In this work, an atomically precise Au–Cu cluster scintillator (1) thermally activated delayed fluorescence (TADF) property was facilely syn...

Journal: :journal of tethys 0

an increase in heavy metal pollution in the soils of arak due to industrialization and urbanization has become an environmental problem. the region hosts several industrial facilities which are the main source for hazardous wastes which include electric, metal, automotive supply industry, food, machinery, and chemicals. soil samples were collected from these industrial areas in the central and ...

Journal: :Publications of the Astronomical Society of the Pacific 2007

Journal: :Dalton transactions 2012
William A Donald Richard A J O'Hair

Relatively little is known about structural transformations of very small metal clusters that result from the adsorption of molecules. Here, the ligand-induced structural transformation of Ag(5)(+)(g) by 1,4-cyclohexadiene, which is capable of binding metal clusters as a bidentate ligand, is investigated using equilibrium mass spectrometry experiments and theory. Based on the measured sequentia...

Journal: :The journal of physical chemistry. A 2009
Sara E Mason Elizabeth A Sokol Valentino R Cooper Andrew M Rappe

The adsorption of three- and four-atom Ag and Pd clusters on the alpha-Al(2)O(3) (0001) surface is explored with density functional theory. Within each adsorbed cluster, two different cluster-surface interactions are present. We find that clusters simultaneously form both ionic bonds with surface oxygen and intermetallic bonds with surface aluminum. The simultaneous formation of disparate elect...

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