Effects of Ta doping and irradiation with He+ ions on photoluminescence of MgAl2O4 spinel ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2020.02.032
Abstract: Abstract Photoluminescence (PL) properties of pristine and Ta-doped MgAl2O4 spinel ceramics prepared via spark plasma sintering technique and irradiated with He+ ions were studied. The results indicate strong influence of the grain boundaries on PL… read more here.
Keywords: photoluminescence; mgal2o4 spinel; spinel ceramics; grain boundaries ... See more keywords
Inversion in synthetic spinel: Fluorescence of Cr3+ ions in MgAl2O4 spinel ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2019.116824
Abstract: Abstract The fluorescence spectra of probe Cr3+ ions in MgAl2O4 spinel ceramics have been studied. The analysis of the spectra shows that the normal non-inverse spinel phase dominates the samples. The possibility of obtaining normal… read more here.
Keywords: fluorescence; spinel; ions mgal2o4; mgal2o4 spinel ... See more keywords
Oxygen defects stabilize the crystal structure of MgAl2O4 spinel under irradiation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2019.151830
Abstract: Abstract The kinetics of phase transformation under irradiation of MgAl2O4 spinel has been explored using molecular dynamics simulations. The irradiation damage has been simulated by Frenkel pairs accumulation in the crystal at 300 K. The phase… read more here.
Keywords: irradiation; spinel; mgal2o4 spinel; phase transformation ... See more keywords
Morphological and structural characterization of MgAl2O4 spinel
Sign Up to like & getrecommendations! Published in 2023 at "Science of Sintering"
DOI: 10.2298/sos2301001o
Abstract: Magnesium aluminate has the spinel structure along with good mechanical, chemical, and thermal properties. Magnesium aluminate has a wide range of applications including refractory ceramics, optically transparent ceramic windows, and armors. Its low dielectric permeability… read more here.
Keywords: structure; morphological structural; characterization mgal2o4; spinel ... See more keywords
Si-Disordering in MgAl2O4-Spinel under High P-T Conditions, with Implications for Si-Mg Disorder in Mg2SiO4-Ringwoodite
Sign Up to like & getrecommendations! Published in 2018 at "Minerals"
DOI: 10.3390/min8050210
Abstract: A series of Si-bearing MgAl2O4-spinels were synthesized at 1500–1650 °C and 3–6 GPa. These spinels had SiO2 contents of up to ~1.03 wt % and showed a substitution mechanism of Si4+ + Mg2+ = 2Al3+.… read more here.
Keywords: bearing mgal2o4; mgal2o4; mgal2o4 spinel; site ... See more keywords