Modification of Magnetic Properties of Iron Clusters by Doping and Adsorption
From a Few Atoms to Nanoclusters
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Beschreibung
This brief is based on computations performed on unary neutral and charged iron clusters, binary iron clusters, and iron clusters interacting with carbon and oxygen atoms as well as with a number of diatomics and water. The author considers geometrical structure, thermodynamic stability and electronic properties which are compared with experimental data. Special attention is paid to the dependence of total spin magnetic moments of iron clusters on their size, charge and interactions with dopant and absorbed atoms. In the dopant case, species such as 3d-metal, 4d-metal, Al, and Gd atoms are considered. In the adsorption case interactions of carbon atoms with iron clusters as the initial stage of catalyzed carbon nanotube growth are presented. Interactions of iron clusters with oxygen atoms are presented and the superexchange mechanism is discussed. Of special interest is the tracking of changes due to the evolution from a few atoms to a nanocluster.
Takes a theoretical approach but references experimental data Facilitates the understanding of oxidation processes of iron and corrosion Related to a wide range of industrial applications Includes supplementary material: sn.pub/extras
Autor*in
Gennady L. Gutsev
Themen in »Modification of Magnetic Properties of Iron Clusters by Doping and Adsorption«
Iron Cluster Bimetallic Cluster Iron Cluster Doping Spin Magnetic Moment Oxygen Absorption Carbon Absorption