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Gallium Nitride (GaN)
book

Gallium Nitride (GaN)

by Farid Medjdoub
December 2017
Intermediate to advanced content levelIntermediate to advanced
388 pages
15h 1m
English
CRC Press
Content preview from Gallium Nitride (GaN)
68 Gallium Nitride (GaN): Physics, Devices, and Technology
substrates have also been used for the demonstration of green lasers [29,30]. For high-
power operations, the thermal conductivity of the substrate is expected to be an impor-
tant design issue and the relatively poor thermal conductivity of sapphire (kSapp =
0.35 W/cm-K) is expected to limit the device output power [7,31]. For the production
of LEDs, industries are now using 150- mm-diameter sapphire as a substrate for the
growth of GaN LED structure using laser lift-off technique [32]. SiC on the other
hand, has good thermal conductivity (k
SiC
= 4.9 W/cm-K) and is an obvious choice
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Publisher Resources

ISBN: 9781482220049