Positron is the only probe that can detect individual atomic vacancies and small and large
vacancy clusters induced by irradiation with remarkable sensitivity, providing information …

Near-infrared (NIR) phosphor-converted light-emitting diodes (pc-LEDs) driven by blue
LEDs have emerged as promising future NIR light sources with high energy efficiency and …

Advancement of optoelectronic and high-power devices is tied to the development of wide
band gap materials with excellent transport properties. However, bipolar doping (n-type and …

Thermoluminescence (TL) or thermally stimulated luminescence (TSL) spectroscopy is
based on liberating charge carriers from traps in the bandgap by providing enough thermal …

The nondestructive investigation of single vacancies and vacancy clusters in ion-irradiated
samples requires a depth-resolved probe with atomic sensitivity to defects. The recent …

Transparent ceramics are emerging as future materials for lasers, scintillation, and
illumination. In this paper, an interesting and surprising phenomenon in YAG transparent …

It is well-believed that below a certain particle size, grain boundary-mediated plastic
deformation (eg, grain rotation, grain boundary sliding and diffusion) substitutes for …

A rate theory model informed by multimodal characterization is used to evaluate the
concentration of point defects in irradiated materials. Cerium dioxide (CeO 2) is used as a …

Ce doped yttrium aluminum garnet (Ce: YAG) is an important photonic material that is used
as a yellow phosphor for white light emitting diodes. In this work, the physical and optical …

G a 2 O 3 is emerging as an excellent potential semiconductor for high power and
optoelectronic devices. However, the successful development of G a 2 O 3 in a wide range …