Structural and luminescence properties of RE3+ (RE=Eu, Tb):(MgCa)2Bi4Ti5O20 ceramics
Source abstract
Abstract
Abstract Rare-earth ions (Eu3+, Tb3+) activated magnesium calcium bismuth titanate [(MgCa)2Bi4Ti5O20] ceramics were prepared by conventional solid state reaction method for their structural and luminescence properties. By using XRD patterns, the structural properties of ceramic powders have been analyzed. Emission spectrum of Eu3+:(MgCa)2Bi4Ti5O20 ceramic powder has shown strong red emission at 615 nm (5D0 → 7F2) with an excitation wavelength λexci = 393 nm and Tb3+:(MgCa)2Bi4Ti5O20 ceramic powder has shown green emission at 542 nm (5D4 → 7F5) with an excitation wavelength λexci = 376 nm. In addition, from the measurements of scanning electron microscopy (SEM), Fourier transform-infrared (FTIR) and energy dispersive X-ray analysis (EDAX) results the morphology, structure and elemental analysis of these powder ceramics have been studied.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Ferroelectric and Piezoelectric Materials · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (18)
Show source-provided references
1. Transparent Nd and (Nd, Yb)-doped Sc2O3 ceramics as potential new laser materials10.1063/1.1886897 ↗
2. Solid state NMR as a new approach for the structural characterization of rare-earth doped lead lanthanum zirconate titanate laser ceramics10.1016/j.solidstatesciences.2008.01.001 ↗
3. Synthesis of Gd2Ti2O7:Eu3+,V4+ phosphors by sol–gel process and its luminescent properties10.1016/j.jlumin.2007.03.010 ↗
4. Structural and electrical studies on rapid thermally processed ferroelectronic Bi4Ti3O12 thin films by metallo-organic solution deposition10.1063/1.351938 ↗
5. Preparation and sintering behaviour of submicronic Bi4Ti3O12 powders10.1007/BF00352895 ↗
6. Unidirectionally textured CaBi4Ti4O15 ceramics by the reactive templated grain growth with an extrusion10.1143/JJAP.39.5577 ↗
7. Phase transitions and dielectric properties in some compounds with bismuth oxide layer structure10.1016/0025-5408(92)90050-A ↗
8. Study on high temperature performances for bismuth layer structured (Sr1−xCax)2Bi4Ti5O18(0≤x≤1) ceramics10.1016/j.jallcom.2009.08.017 ↗
9. LuVO4:RE3+ (RE=Sm, Eu, Dy, and Er) phosphors by in-situ chemical precipitation construction of hybrid precursors10.1016/j.optmat.2005.08.050 ↗
10. Sastri · 2003
11. Spectral analysis of RE3+ (Sm3+ or Dy3+):(MgCa)2Bi4Ti5O20 ceramics
12. Luminescence of Eu3+ ions during thermal densification of SiO2 gel10.1557/JMR.1992.0745 ↗
13. Highly luminescent red light phosphor CaTiO3:Eu3+ under near-ultraviolet excitation10.1016/j.jlumin.2009.08.012 ↗
14. New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+10.1016/j.jlumin.2009.12.033 ↗
15. A novel red phosphor: Ca2GeO4:Eu3+10.1016/S1002-0721(09)60144-7 ↗
16. Crystallization of silica xerogels: a study by Raman and fluorescence spectroscopy10.1007/BF02436871 ↗
17. Raman and luminescence study of Tb3+ doped monolithic silica xerogels10.1016/S1386-1425(98)00130-9 ↗
18. Highly enhanced luminescence of Tb3+-activated gadolinium oxysulfide phosphor by doping with Zn2+ ions10.1016/j.jlumin.2009.10.016 ↗