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Recording properties of Co/Pd multilayer using a magnetoresistive sensor

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1 Author(s)
Chen, Ga-Lane ; Seagate Technology, RMO, 47010 Kato Road Fremont, California 94538

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We have fabricated Co/Pd, CoCr/Pd, and CoCrTa/Pd multilayer media. Good recording performance was achieved using a magnetoresistive (MR) head for readback. Co/Pd medium has perpendicular coercivity of 5 kOe and perpendicular squareness ratio of 0.83. The recording performance of a Co/Pd multilayer media was compared to conventional longitudinal media Co86Cr10Ta4 media and perpendicular Co78Cr17Ta5 media. The effects of Cr doping of Co, postdeposition annealing of Co/Pd, annealing the plated NiFe keeper layer, the number of layers in the multilayer, and the oxygen concentration of sputtering gas on the noise spectra of media were studied. © 2000 American Institute of Physics.

Published in:
Journal of Applied Physics  (Volume:87 ,  Issue: 9 )

Date of Publication: May 2000

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