MAGNETIC RECORDING MEDIA WITH METAL-DOPED CAPPING LAYER
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United States of America Patent
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Mar 16, 2023
app pub date -
Sep 10, 2021
filing date -
Sep 10, 2021
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Abstract
Various apparatuses, systems, methods, and media are disclosed to provide a magnetic recording medium that capping layer doped with an effective amount of metal to control grain-to-grain exchange coupling in a capping layer. A magnetic recording medium includes a substrate, a magnetic recording layer (MRL) on the substrate, and a capping layer on the MRL. The capping layer include Co and is doped with a metal (e.g., Ru or Ta) in a range from 1 atomic percent to 5 atomic percent, inclusive.
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