Influence of Y substitutions on the magnetism of Gd5Ge4
Date
2010-01-01
Authors
Paudyal, Durga
Mudryk, Yaroslav
Pecharsky, Vitalij
Misra, Sumohan
Miller, Gordon
Gschneidner, Karl
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Miller, Gordon
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Materials Science and Engineering
Materials engineers create new materials and improve existing materials. Everything is limited by the materials that are used to produce it. Materials engineers understand the relationship between the properties of a material and its internal structure — from the macro level down to the atomic level. The better the materials, the better the end result — it’s as simple as that.
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Ames National LaboratoryMaterials Science and EngineeringChemistry
Abstract
The interrelation between the specific crystallographic positions and their influence on the magnetism of neighboring atoms is examined from first principles electronic structure calculations using the Gd5Ge4 compound as a model system. The predicted preferences of the specific occupations by nonmagnetic yttrium atoms and the resulting magnetism of substituted Gd5Ge4 have been confirmed, respectively, by single crystal x-ray diffraction and magnetization experiments.
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The following article appeared in Journal of Applied Physics 107, 09A908 (2010); 1 and may be found at doi:10.1063/1.3349231.
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Fri Jan 01 00:00:00 UTC 2010