Semiconductor device comprising a pn-heterojunction
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United States of America Patent
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Issued Date -
May 31, 2007
app pub date -
Dec 20, 2004
filing date -
Dec 23, 2003
priority date (Note) -
Abandoned
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Abstract
An electric device is disclosed comprising a pn-heterojunction (4) formed by a nanowire (3) of 111-V semiconductor material and a semiconductor body (1) comprising a group IV semiconductor material. The nanowire (3) is positioned in direct contact with the surface (2) of the semiconductor body (1) and has a first conductivity type, the semiconductor body (1) has a second conductivity type opposite to the first conductivity type, the nanowire (3) forming with the semiconductor body (1) a pn-heterojunction (4). The nanowire of III-V semiconductor material can be used as a diffusion source (5) of dopant atoms into the semiconductor body. The diffused group III atoms and/or the group V atoms from the III-V material are the dopant atoms forming a region (6) in the semiconductor body in direct contact with the nanowire (3).
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