Bandgap engineering in yttrium–aluminum garnet with Ga doping

II Vrubel, RG Polozkov, IA Shelykh… - Crystal Growth & …, 2017 - ACS Publications
We report the results of the investigation of Ga-doping effects on the electronic structure of
the yttrium–aluminum garnet. The bandgap structure was studied both experimentally using …

Effect of Ga3+ doping on the photoluminescence properties of Y3Al5-xGaxO12: Bi3+ phosphor

A Yousif, V Kumar, HAAS Ahmed, S Som… - ECS Journal of Solid …, 2014 - iopscience.iop.org
The structural and luminescence characteristics of a sol-gel combustion synthesized Y 3 Al 5-
x Ga x O 12: Bi 3+ phosphor with different concentration of Ga 3+ were investigated. The …

Lattice dynamics study of nanocrystalline yttrium gallium garnet at high pressure

V Monteseguro, P Rodríguez-Hernández… - The Journal of …, 2014 - ACS Publications
This work reports an experimental and theoretical lattice dynamics study of nanocrystalline
Y3Ga5O12 (YGG) garnet at high pressures. Raman scattering measurements in …

Strain-mediated ion–ion interaction in rare-earth-doped solids

A Louchet-Chauvet, T Chanelière - Journal of Physics …, 2023 - iopscience.iop.org
It was recently shown that the optical excitation of rare-earth ions produces a local change of
the host matrix shape, attributed to a change of the rare-earth ion's electronic orbital …

Spectroscopic properties and location of the Ce 3+ energy levels in Y 3 Al 2 Ga 3 O 12 and Y 3 Ga 5 O 12 at ambient and high hydrostatic pressure

S Mahlik, A Lazarowska, J Ueda, S Tanabe… - Physical Chemistry …, 2016 - pubs.rsc.org
In this study, we present the high pressure spectroscopy of Y3Al2Ga3O12 (YAGG) and
Y3Ga5O12 (YGG) ceramics doped with Ce3+ and Cr3+. We have found that high hydrostatic …

Deep red upconversion photoluminescence in Er3+‐doped Yb3Ga5O12 nanocrystalline garnet

T Netolicky, L Strizik, L Benes… - Journal of the …, 2022 - Wiley Online Library
The nanocrystalline single‐phase Er3+‐doped Yb3Ga5O12 garnets have been prepared by
the sol‐gel combustion technique with a crystallite size of≈ 30 nm. The presence of Yb3+ in …

Gd3Ga5O12: a wide bandgap semiconductor electrolyte for ceramic fuel cells, effective at temperatures below 500° C

J Li, M Yousaf, J Ahmed, B Bibi, A Noor… - Journal of Rare …, 2024 - Elsevier
Searching for compatible electrolytes with Ni 0.8 Co 0.15 Al 0.05 LiO 2 (NCAL) electrodes
with high ionic conductivity at low operational temperatures (< 550° C) is essential for the …

Optical nanothermometer based on the calibration of the Stokes and upconverted green emissions of Er 3+ ions in Y 3 Ga 5 O 12 nano-garnets

SF León-Luis, V Monteseguro… - RSC Advances, 2014 - pubs.rsc.org
The temperature-dependent green luminescence of Y3Ga5O12 nano-garnets doped with
different concentrations of Er3+ ions has been measured from 300 to 850 K and, in more …

Pressure-induced variation of persistent luminescence characteristics in Y 3 Al 5− x Ga x O 12: Ce 3+–M 3+(M= Yb, and Cr) phosphors: opposite trend of trap depth for …

J Ueda, M Harada, S Miyano, A Yamada… - Physical Chemistry …, 2020 - pubs.rsc.org
Changing the electronic structure of materials by pressure and the accompanying changes
in optical properties have attracted scientific interest. We have reported that the energy …

Pressure-induced changes in the persistent luminescence of Gd 2.994 Ce 0.006 Ga 3 Al 2 O 12 and Gd 2.964 Ce 0.006 Dy 0.03 Ga 3 Al 2 O 12 nanoceramics

P Głuchowski - Dalton Transactions, 2022 - pubs.rsc.org
The Gd2. 994Ce0. 006Ga3Al2O12 and Gd2. 964Ce0. 006Dy0. 03Ga3Al2O12 nanopowders
were prepared using the sol–gel method. The nanocrystalline powders were used for …