Doped semiconductor layer forming method
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United States of America
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Feb 4, 2025
Grant Date -
Jun 17, 2021
app pub date -
Nov 25, 2020
filing date -
Nov 25, 2020
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Abstract
A method of obtaining a doped semiconductor layer, including the successive steps of: a) performing, in a first single-crystal layer made of a semiconductor alloy of at least a first element A1 and a second element A2, an ion implantation of a first element B which is a dopant for the alloy and of a second element C which is not a dopant for the alloy, to make an upper portion of the first layer amorphous and to preserve the crystal structure of a lower portion of the first layer; and b) performing a solid phase recrystallization anneal of the upper portion of the first layer, resulting in transforming the upper portion of the first layer into a doped single-crystal layer of the alloy.
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