Co/Pt disks with a simplified structure

Yuan Sheng Tyan, Tukaram K. Hatwar, Giuseppe Farruggia, Randal H. Victora, Michael W. Culver, Charles F. Brucker

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Potentially low cost Co/Pt multilayer disks were fabricated using a simplified disk structure. Ultrathin seed layers of dielectrics were used to enhance the coercivity and squareness of the Kerr hysteresis loop. Both Co/Pt superlattices and the dielectrics were deposited under low vacuum. The total cycle time consisting of loading the PC substrate into the vacuum chamber, pumping the sputtering chamber to a base pressure, and deposition of the ITO seed layer and the Co/Pt multilayer was reduced to less than ten seconds. Cyclability and recording performance of the conventional media is retained.

Original languageEnglish (US)
Pages (from-to)418-420
Number of pages3
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume36
Issue number1 B
DOIs
StatePublished - Jan 1 1997

Keywords

  • Amorphous ITO
  • Co/Pt multilayers
  • Magnetooptics
  • Seed layers
  • Thin films

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