Magnetic memory devices, electronic systems and memory cards including the same, methods of manufacturing the same, and methods of forming a perpendicular magnetic film of the same
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United States of America Patent
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May 21, 2013
Grant Date -
Jan 26, 2012
app pub date -
Jul 6, 2011
filing date -
Jul 20, 2010
priority date (Note) -
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Abstract
Magnetic memory devices, electronic systems and memory cards including the same, methods of manufacturing the same, and methods of forming perpendicular magnetic films are provided. The magnetic memory device may include a seed pattern on a substrate having a first crystal structure, a perpendicular magnetic pattern on the seed pattern having a second crystal structure, and an interlayer pattern between the seed pattern and the perpendicular magnetic pattern. The interlayer pattern may reduce a stress caused by a difference between horizontal lattice constants of the first and the second crystal structures.
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