Quasi-single-crystal film and manufacturing method thereof
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United States of America Patent
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May 31, 2022
Grant Date -
Feb 4, 2021
app pub date -
Jul 27, 2020
filing date -
Jul 30, 2019
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Abstract
A quasi-single-crystal film and its manufacturing method thereof are provided, in which a metal film having a preferred orientation of <111> on its surface is subjected to a mechanical stretching force, such that the crystal grains thereof are able to form in a much more orderly arrangement, and a quasi-single-crystal film having preferred orientations on three axes can be obtained. The proposed quasi-single-crystal film has preferred orientations of <211> and <110> on its stretching direction and a direction that is perpendicular to the stretching direction, respectively, and retains a preferred orientation of <111> on its surface. By employing the present invention, it is advantageous of manufacturing large-area quasi single crystal films having high anisotropy as well as growing two dimensional materials or developing of other anisotropic feature structures.
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