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Role of high energy Cr6+ optical transition induced by rare earth ion (La3+) in compositional-dependent borate glass
HY Morshidy, AR Mohamed, AA Abul-Magd… - Materials Chemistry and …, 2022 - Elsevier
In this contribution, borate glasses co-doped with La 2 O 3 and a fixed ratio of Cr 2 O 3 were
produced by the melt-quenching method. The role of La 2 O 3 on the glass characteristics …
produced by the melt-quenching method. The role of La 2 O 3 on the glass characteristics …
Reevaluation of Cr6+ optical transitions through Gd2O3 do** of chromium-borate glasses
HY Morshidy, ZM Abd El-Fattah, AA Abul-Magd… - Optical Materials, 2021 - Elsevier
Chromium-doped borate glasses are appealing for potential optical applications as they
feature distinct optical transitions in the visible and ultraviolet spectral regimes. However …
feature distinct optical transitions in the visible and ultraviolet spectral regimes. However …
Novel identification of ultraviolet/visible Cr6+/Cr3+ optical transitions in borate glasses
Chromium oxide-doped borate glasses with composition xP 2 O 5-(70-x) B 2 O 3-29.5 Li 2 O-
0.5 Cr 2 O 3 (x= 0.0, 0.5, 1.0, 1.2, 1.5 and 2.0 mol%) were prepared following the melt …
0.5 Cr 2 O 3 (x= 0.0, 0.5, 1.0, 1.2, 1.5 and 2.0 mol%) were prepared following the melt …
Optical spectroscopy of chromium doped bismuth-lithium borate glasses
The optical absorption, photoluminescence, and electron spin resonance spectroscopies
were used to investigate the effect of Bismuth oxide on a chromium doped borate glass …
were used to investigate the effect of Bismuth oxide on a chromium doped borate glass …
Unraveling the hidden Urbach edge and Cr6+ optical transitions in borate glasses
Two alkaline-borate glass systems of composition x Li 2 O· 0.2 Cr 2 O 3·(99.8–x) B 2 O 3 (x=
20, 30 and 40 mol%) and y K 2 O·(20-y) Li 2 O· 0.2 Cr 2 O 3· 79.8 B 2 O 3 (y= 5, 10, 15 and …
20, 30 and 40 mol%) and y K 2 O·(20-y) Li 2 O· 0.2 Cr 2 O 3· 79.8 B 2 O 3 (y= 5, 10, 15 and …
Effect of the Cr6+ concentration in Cr-incorporated TiO2-loaded MCM-41 catalysts for visible light photocatalysis
The activity of 25% TiO2-loaded various amounts of Cr-incorporated MCM-41 (25% TiO2/Cr-
MCM-41) was studied as a catalyst for photodegradation of 4-chlorophenol under visible …
MCM-41) was studied as a catalyst for photodegradation of 4-chlorophenol under visible …
The structural influence of chromium ions in lead gallium phosphate glasses by means of spectroscopic studies
PbO–Ga2O3–P2O5 glasses containing different concentrations of Cr2O3 ranging from 0 to
1.0 mol% were prepared. A number of studies viz., differential thermal analysis, infrared …
1.0 mol% were prepared. A number of studies viz., differential thermal analysis, infrared …
Exchange charge model of crystal field for 3d ions
In the second chapter of the book the authors present the results of theoretical studies ofthe
energy levels schemes of all 3dn (n= 1, 9) ionsin various crystals at the substitutionalsites …
energy levels schemes of all 3dn (n= 1, 9) ionsin various crystals at the substitutionalsites …
Excited state spectroscopy of chromium ions in various valence states in glasses
The spectral properties of different types of chromium-activated glasses are shown,
discussed and interpreted. Chromium in four valence states, Cr3+, Cr4+, Cr5+ and Cr6+, is …
discussed and interpreted. Chromium in four valence states, Cr3+, Cr4+, Cr5+ and Cr6+, is …
Vacuum referred binding energy of the single 3d, 4d, or 5d electron in transition metal and lanthanide impurities in compounds
EG Rogers, P Dorenbos - ECS Journal of Solid State Science and …, 2014 - iopscience.iop.org
The vacuum referred binding energy (VRBE) of the single electron in the lowest energy 3d
level of Sc 2+, V 4+, Cr 5+, the lowest 4d level of Y 2+, Zr 3+, Nb 4+, Mo 5+ and the lowest 5d …
level of Sc 2+, V 4+, Cr 5+, the lowest 4d level of Y 2+, Zr 3+, Nb 4+, Mo 5+ and the lowest 5d …