MEDIA HAVING IMPROVED SURFACE SMOOTHNESS AND METHODS FOR MAKING THE SAME
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United States of America Patent
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Issued Date -
Mar 18, 2010
app pub date -
Oct 24, 2008
filing date -
Sep 17, 2008
priority date (Note) -
Abandoned
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Abstract
Provided herein are media for storing information and methods of forming such media. A strontium ruthenate (SRO) layer is provided. In certain embodiments, a titanium terminated (Ti-terminated) surface is formed on the SRO layer, and a lead zirconate titanate (PZT) layer is formed on the Ti-terminated surface. In other embodiments, a Ti-terminated surface is formed on the SRO layer, a lead titanate (PTO) layer is formed on the Ti-terminated surface, and a PZT layer is formed on the PTO layer. Preferably, the PZT layer is grown on the Ti-terminated surface, or the PTO layer, by step-flow or layer-by-layer growth, so that the resulting media has an atomically smooth surface.
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