Systems and methods for preparing epitaxially textured polycrystalline films
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United States of America Patent
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Sep 6, 2011
Grant Date -
May 28, 2009
app pub date -
Nov 21, 2008
filing date -
Nov 21, 2007
priority date (Note) -
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Abstract
The disclosed subject matter relates to systems and methods for preparing epitaxially textured polycrystalline films. In one or more embodiments, the method for making a textured thin film includes providing a precursor film on a substrate, the film includes crystal grains having a surface texture and a non-uniform degree of texture throughout the thickness of the film, wherein at least a portion of the this substrate is transparent to laser irradiation; and irradiating the textured precursor film through the substrate using a pulsed laser crystallization technique at least partially melt the film wherein the irradiated film crystallizes upon cooling to form crystal grains having a uniform degree of texture.
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