Carrier dynamics in hydride vapor phase epitaxy grown bulk GaN with very low density of dislocations, 5–8× 10 5 cm− 2, have been investigated by time-resolved photoluminescence …
K Kawahara, J Suda, T Kimoto - Journal of Applied Physics, 2012 - pubs.aip.org
Two trap-reduction processes, thermal oxidation and C+ implantation followed by Ar annealing, have been discovered, being effective ways for reducing the Z 1/2 center (EC …
Applications of lead halide perovskites in solar cells and photo-and ionising radiation detectors are based on effective charge carrier generation and transport. The perovskites …
Silicon carbide (SiC) is promising as a key material for power electronics devices owing to its wide bandgap property. Meanwhile, by the convention wire-saw technique, it is difficult to …
Group-IV semiconductor compounds with intense optical nonlinearity have emerged as a new branch of all-optical processing materials benefiting from the manufacturing …
We applied time-resolved pump-probe spectroscopy based on free carrier absorption and light diffraction on a transient grating for direct measurements of the carrier lifetime and …
Materials with a negative dielectric permittivity (eg, metals) display high reflectance and can be shaped into nanoscale optical resonators exhibiting extreme mode confinement, a …
CL Wu, SP Su, GR Lin - Laser & Photonics Reviews, 2014 - Wiley Online Library
All‐optical modulation based on silicon quantum dot doped SiOx: Si‐QD waveguide is demonstrated. By shrinking the Si‐QD size from 4.3 nm to 1.7 nm in SiOx matrix (SiOx: Si …
K Tanaka, M Kato - AIP Advances, 2023 - pubs.aip.org
In recent years, 4H-SiC power devices have been widely employed in power electronic systems owing to their superior performance to Si power devices. However, stacking faults in …