Претраживање
Приказ резултата 1-10 од 15
Radiation effects on luminescent and structural properties of YPO4: Pr3+ nanophosphors
(Radiation Effects and Defects in Solids, 2018)
YPO4 phosphors doped with trivalent ion Pr3+ were prepared by sol–gel method and treated with different doses of gamma radiation, from 0.25 MGy to 4 MGy. Effects of radiation on morphology, structure and luminescent ...
Orange-Reddish Light Emitting Phosphor GdVO 4 :Sm 3+ Prepared by Solution Combustion Synthesis
(Journal of Spectroscopy, 2018)
The gadolinium vanadate doped with samarium (GdVO 4 :Sm 3+ ) nanopowder was prepared by the solution combustion synthesis (SCS) method. After synthesis, in order to achieve the full crystallinity, the material was annealed ...
MgTiO 3:Mn 4+ a multi-reading temperature nanoprobe
(RSC Advances, 2018)
MgTiO3 nanoparticles doped with Mn4+, with homogeneous size ranging about 63.1 ± 9.8 nm, were synthesized by a molten salt assisted sol gel method. These nanoparticles have been investigated as optical thermal sensors. The ...
Luminescence Thermometry Using Dy3+-Activated Na0.25K0.25Bi0.5TiO3 Powders
(Journal of Electronic Materials, 2020)
When activated by Dy3+, Na0.25K0.25Bi0.50TiO3 (NKBT), piezoelectric powders show strong luminescence in the blue and yellow spectral range. Emissions of this material can be effectively utilized for both luminescence ...
Judd–Ofelt Parametrization from the Emission Spectrum of Pr3+ Doped Materials: Theory, Application Software, and Demonstration on Pr3+ Doped YF3 and LaF3
(Advanced Theory and Simulations, 2021)
Judd–Ofelt (JO) theory explains the optical properties of trivalent lanthanides using only three intensity parameters. The JO parametrization is a complicated procedure of absorption spectra analysis, especially cumbersome ...
Triple-temperature readout in luminescence thermometry with Cr3+-doped Mg2SiO4 operating from cryogenic to physiologically relevant temperatures
(Measurement Science and Technology, 2021)
Cr3+-doped Mg2SiO4 orthorhombic nanoparticles are synthesized by a combustion method. The 3d3 electron configuration of the Cr3+ ion results in the deep-red emission from optical transitions between d-d orbitals. Two ...
Supersensitive Sm2+ ‐Activated Al2O3 Thermometric Coatings for High‐Resolution Multiple Temperature Read‐Outs from Luminescence
(Advanced Materials Technologies, 2021)
The introduction of additional functionalities to materials is exceptionally important as it opens new applications for them. Aluminum, one of the most abundant and important materials, is coated with luminescent Sm2+-doped ...
Surface Plasmon Enhancement of Eu3+ Emission Intensity in LaPO4/Ag Nanoparticles
(Materials, 2020)
A promising way to improve the performance of luminescent materials is to combine them with noble metal nanoparticles. Herein, a set of silver/europium-doped lanthanum orthophosphate (Ag/La0.95Eu0.05PO4) nanostructures ...
Luminescence Thermometry with Nanoparticles: A Review
(Nanomaterials, 2023)
Luminescence thermometry has emerged as a very versatile optical technique for remote temperature measurements, exhibiting a wide range of applicability spanning from cryogenic temperatures to 2000 K. This technology has ...
Structural and optical properties of europium doped Y2O3 nanoparticles prepared by self-propagation room temperature reaction method
(Journal of Research in Physics, 2013)
Europium-doped yttrium oxide nanoparticles with different doping concentra- tions were prepared by self-propagation room temperature reaction method. This simple synthesis method provides particles in the range of 12 nm ...