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Magnetic refrigeration became one of the most popular fields of research among the magnetic materials. After the discovery of the Giant magnetocaloric effect (GMCE) in Gd5Si2Ge2, many new materials (viz. LaFeSi13, Heusler alloys, FeRh etc.) have been proposed in the past decade. Mnx-Fe1−xSiyP1−y series of materials are among the best performing materials, in terms of efficiency, availability, cost,...
We present a theoretical study of hydrogenated amorphous silicon (a‐Si:H) with a device quality hydrogen concentration of 11 at%. We used a first principle, parameters‐free method. The interaction between the atoms was treated quantum mechanically within the density functional theory approximation. Amorphous structures were prepared by cooling from the liquid phase. When using a cooling rate of 0...
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