Thermoelectric generators, capable of directly converting heat into electricity, hold great
promise for tackling the ever-increasing energy sustainability issue. The thermoelectric …

The heat dissipation issue has now become one of the most important bottlenecks for power
electronics due to the rapid increase in power density and working frequency. Towards the …

The influence of micro/nanostructure on thermal conductivity is a topic of great scientific
interest, particularly to thermoelectrics. The current understanding is that structural defects …

GaN and related III-nitrides have attracted considerable attention as promising materials for
application in optoelectronic devices, in particular, light-emitting diodes (LEDs). At present …

There is a great interest in wide-bandgap semiconductor devices and most recently in
monolithic GaN structures for power electronics applications. In this paper, vertical pn diodes …

Aluminum nitride (AlN) is one of the few electrically insulating materials with excellent
thermal conductivity, but high-quality films typically require exceedingly hot deposition …

The thermal conductivity (Λ) of wide-band-gap semiconductors GaN and SiC is critical for
their application in power devices and optoelectronics. Here, we report time-domain …

We present atomistic first principles results for the lattice thermal conductivity of GaN and
compare them to those for GaP, GaAs, and GaSb. In GaN we find a large increase to the …

Aluminum nitride (AlN) plays a key role in modern power electronics and deep-ultraviolet
photonics, where an understanding of its thermal properties is essential. Here, we measure …

In this paper, vertical pn diodes fabricated on pseudobulk gallium nitride (GaN) substrates
are discussed. The measured devices demonstrate breakdown voltages of 2600 V with a …