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Room-temperature dc I –V characteristics for a typical 250mm<br />
3250mm InxGa12xN SQW LED on Si<br />
Photograph of a functioning InxGa12xN SQW blue LED on Si.<br />
The LED shows no dark-line features due to microcracking from either the<br />
LLO process or the thermal expansion coefficient mismatch between GaN<br />
and Si.<br />
85<br />
Schematic diagram of the nano-roughed LED structure<br />
86<br />
35
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