A magnetic recording medium having a Au, Ag-containing magnetic layer having Co, Cr, Ag and Au; the magnetic recording layer having Co-containing magnetic grains surrounded by substantially nonmagnetic Cr-containing grain boundaries; wherein said Ag and said Au are substantially immiscible in the Co-containing magnetic grains.
E. Girt, C. Shih, M. Lu, K. Chour, C. Liu, M. Munteanu, J. Lee, “Magnetic storage media with Ag, Au-containing magnetic layers”, Country USA, Patent #8,101,292, issued on Jan 24, 2012.
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