Detecting plasmons using a metallurgical junction
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United States of America Patent
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Sep 8, 2009
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app pub date -
May 5, 2006
filing date -
May 5, 2006
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Abstract
A sensor device includes a substrate having first and second regions of first and second conductivity types, respectively. A junction having a band-gap is formed between the first and second regions. A plasmon source generates plasmons having fields. At least a portion of the plasmon source is formed near the junction, and the fields reduce the band-gap to enable a current to flow through the device.
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