scholarly journals The influence of charge compensation defects on the spectroscopic properties of europium doped Ca9Y(PO4)7

RSC Advances ◽  
2017 ◽  
Vol 7 (64) ◽  
pp. 40549-40557 ◽  
Author(s):  
N. Górecka ◽  
K. Szczodrowski ◽  
A. Lazarowska ◽  
J. Barzowska ◽  
D. Michalik ◽  
...  
Keyword(s):  
Pechini Method ◽  
Charge Compensation ◽  
Spectroscopic Properties

In this study, a series of Ca9Y(PO4)7 compounds doped with 5% of Eu ions and with different [Y]/[Ca] ratios was synthesized using the Pechini method.

Spectroscopic properties of LaGaO3:V,Nd3+ nanocrystals as a potential luminescent thermometer

2018 ◽  
Vol 20 (33) ◽  
pp. 21598-21606 ◽  
Author(s):  
K. Kniec ◽  
L. Marciniak
Keyword(s):  
Pechini Method ◽  
Spectroscopic Properties

In this work we present the spectroscopic properties of LaGaO3:V,Nd3+ nanocrystals, which have been successfully obtained by the Pechini method.

The influence of Si4+ co-doping on the spectroscopic properties of β-NaCaPO4:Eu2+/Eu3+

2019 ◽  
Vol 43 (8) ◽  
pp. 3409-3418
Author(s):  
N. Górecka ◽  
K. Szczodrowski ◽  
A. Lazarowska ◽  
M. Grinberg
Keyword(s):  
Calcium Phosphate ◽  
Pechini Method ◽  
Spectroscopic Properties ◽  
Luminescent Materials ◽  
Co Doping ◽  
Sodium Calcium ◽  
Silicon Ions

A series of luminescent materials based on a sodium calcium phosphate matrix doped with europium and different concentrations of silicon ions was synthesized using the Pechini method.

Synthesis and spectroscopic properties of Yb3+ and Tb3+ co-doped GdBO3 materials showing down- and up-conversion luminescence

2015 ◽  
Vol 44 (9) ◽  
pp. 4063-4069 ◽  
Author(s):  
Tomasz Grzyb ◽  
Konrad Kubasiewicz ◽  
Agata Szczeszak ◽  
Stefan Lis
Keyword(s):  
Pechini Method ◽  
Sol Gel ◽  
Spectroscopic Properties ◽  
Dual Mode ◽  
Co Doped

Gadolinium orthoborates doped with Yb3+ and Tb3+ ions, showing dual-mode luminescence (down- and up-conversion), were synthesised by the sol–gel Pechini method and analysed.

Theoretical study of the local charge compensation and spectroscopic properties of B-type carbonate defects in apatite

2014 ◽  
Vol 41 (5) ◽  
pp. 347-359 ◽  
Author(s):  
Haohao Yi ◽  
Etienne Balan ◽  
Christel Gervais ◽  
Loïc Ségalen ◽  
Marc Blanchard ◽  
...  
Keyword(s):  
Theoretical Study ◽  
Charge Compensation ◽  
Spectroscopic Properties ◽  
Local Charge ◽  
Local Charge Compensation

scholarly journals Investigation of Physicochemical Properties of the Structurally Modified Nanosized Silicate-Substituted Hydroxyapatite Co-Doped with Eu3+ and Sr2+ Ions

Nanomaterials ◽  
2020 ◽  
Vol 11 (1) ◽  
pp. 27
Author(s):  
Sara Targonska ◽  
Rafal J. Wiglusz
Keyword(s):  
Emission Spectra ◽  
Charge Compensation ◽  
Spectroscopic Properties ◽  
Color Temperature ◽  
Molar Ratio ◽  
Chromaticity Coordinates ◽  
Ft Ir ◽  
Cie Chromaticity ◽  
Kinetics Of ◽  
Co Doped

In this paper, a series of structurally modified silicate-substituted apatite co-doped with Sr2+ and Eu3+ ions were synthesized by a microwave-assisted hydrothermal method. The concentration of Sr2+ ions was set at 2 mol% and Eu3+ ions were established in the range of 0.5–2 mol% in a molar ratio of calcium ion amount. The XRD (X-ray powder diffraction) technique and infrared (FT-IR) spectroscopy were used to characterize the obtained materials. The Kröger–Vink notation was used to explain the possible charge compensation mechanism. Moreover, the study of the spectroscopic properties (emission, emission excitation and emission kinetics) of the obtained materials as a function of optically active ions and annealing temperature was carried out. The luminescence behavior of Eu3+ ions in the apatite matrix was verified by the Judd–Ofelt (J-O) theory and discussed in detail. The temperature-dependent emission spectra were recorded for the representative materials. Furthermore, the International Commission on Illumination (CIE) chromaticity coordinates and correlated color temperature were determined by the obtained results.

Spectroscopic properties of Y1−xEuxBO3 and Y1−xTbxBO3 nanopowders obtained by the sol–gel Pechini method

2014 ◽  
Vol 155 ◽  
pp. 374-383 ◽  
Author(s):  
Agata Szczeszak ◽  
Konrad Kubasiewicz ◽  
Tomasz Grzyb ◽  
Stefan Lis
Keyword(s):  
Pechini Method ◽  
Sol Gel ◽  
Spectroscopic Properties
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