In this study, we carried out a detailed investigation of the photoluminescence of Mn4+ in
Ga2O3–Al2O3 solid solutions as a function of the chemical composition, temperature, and …

Photoluminescence (PL) spectroscopy of transparent MgAl 2 O 4 spinel ceramics with grain
size between 100 and 300 nm was studied at 7 K temperature in the near-IR-VUV range of …

The intensely luminescent chromium (III) complexes [Cr (ddpd) 2] 3+ and [Cr (H2tpda) 2] 3+
show surprising pressure‐induced red shifts of up to− 15 cm− 1 kbar− 1 for their sharp spin …

The luminescence of the well-known spinel-structured functional compound MgAl 2 O 4 was
studied at cryogenic temperatures below 10 K in a wide spectral range from near-IR to VUV …

Fundamental understanding of the Stokes and anti-Stokes emissions in luminescence
materials and their mechanism is very important for different technological applications. In …

A novel Cr 3+-doped LiAlSi 2 O 6 phosphor was synthesized by a solid-state reaction.
Details of first-principles calculation, structural studies, spectroscopic, crystal field …

The high-pressure behavior of dravite tourmaline [Na (Mg3) Al6 (Si6O18)(BO3) 3 (OH) 3
(OH)] has been studied using luminescence spectroscopy and synchrotron-based single …

Abstract The Raman and Cr 3+ and V 2+ luminescence spectra of beryl and emerald have
been characterized up to 15.0 and 16.4 GPa, respectively. The Raman spectra show that an …

Near-infrared (NIR) phosphor tetragonal K 3 GaF 6: Cr 3+ with the space group of I4 1/a is
synthesized through the coprecipitation method, which shows a broadband emission from …

The color change of the pink and colorless LiAlSi2O6 spodumene crystal due to irradiation
and heating is explained. The hypothesis about the change of Mn3+ to Mn4+ after irradiation …