INTEGRATED CIRCUITS WITH MAGNETIC TUNNEL JUNCTIONS AND METHODS FOR PRODUCING THE SAME
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United States of America Patent
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Feb 27, 2017
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Apr 26, 2016
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Abstract
Integrated circuits and methods of producing the same are provided. In an exemplary embodiment, an integrated circuit includes a fixed layer that is magnetic and a tunnel barrier layer overlying the fixed layer, where the tunnel barrier layer is non-magnetic. A total free layer overlies the tunnel barrier layer, where the total free layer includes a plurality of individual free layers, wherein each of the plurality of individual free layers includes one or more of cobalt, iron, or boron, and where each of the plurality of individual free layers is magnetic. At least one of the plurality of individual free layers includes an atomic ratio of cobalt to iron that is from about 0.9/1 to about 1.1/1.
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