MEDIA WITH TETRAGONALLY-STRAINED RECORDING LAYER HAVING IMPROVED SURFACE ROUGHNESS
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
Jul 1, 2008
filing date -
Jul 1, 2008
priority date (Note) -
Abandoned
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Abstract
A media for storing information comprises a substrate, a conductive layer formed over the substrate, and a ferroelectric layer epitaxially formed on the conductive layer. The ferroelectric layer includes an a-lattice constant that is substantially matched to an a-lattice constant of the conductive layer and an average c-lattice constant that is longer than an average c-lattice constant of a bulk-grown ferroelectric layer.
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