Zobrazeno 1 - 10
of 274
pro vyhledávání: '"Y.C. Ratnakaram"'
Publikováno v:
Journal of Taibah University for Science, Vol 11, Iss 4, Pp 593-604 (2017)
This paper offers a study on Pr3+-doped alkali and mixed-alkali borate glasses prepared by the melt quenching technique and characterized by thermal, structural and spectroscopic studies. The amorphous nature of the glassy systems was identified base
Externí odkaz:
https://doaj.org/article/0b89a4aab31a49fdb82d672a30491695
Publikováno v:
Indian Journal of Physics. 96:1547-1558
LiPbB5O9:Eu3+ phosphors were synthesized via solid-state reaction technique and studied various properties. For the prepared LiPbB5O9:Eu3+ phosphors, structural and spectroscopic characterizations were performed. Crystallinity nature of LiPbB5O9:Eu3+
Publikováno v:
Indian Journal of Physics. 95:157-161
Calcium borophosphate (CBP) phosphors doped with Dy3+ were synthesized by solid-state reaction method. These phosphors were characterized by photoluminescence spectra and decay curves in the visible region. These phosphors were excited at 350 nm, and
Autor:
Y.C. Ratnakaram, M. Dhamodhara Naidu
Publikováno v:
Journal of Applied Spectroscopy. 86:690-697
The chemical composition of Pr3+-doped strontium–aluminum–bismuth–borate glasses with different concentrations, that is, (50 – x)B2O3 + 20Bi2O3 + 7AlF3 + 8SrO + 15SrF2 + xPr2(CO3)3 (where x = 0.1, 0.5, 1.0, and 1.5 mol.%), have been prepared
Publikováno v:
Optical Materials. 92:352-358
0.5 mol% of europium (Eu3+) doped bismuth phosphate glasses (BiP) with different contents (0, 5, 10 and 15 mol%) of bismuth and different (0.1, 0.3, 0.5, 1.0, 1.5 and 2.0) mol% of Eu3+ doped 5 mol% bismuth contained BiP glasses were made by melt-quen
Publikováno v:
Optics & Laser Technology. 113:322-329
The neodymium doped alkali bismuth phosphate (ABiP:Nd3+) glasses with the chemical composition (65 − x)P2O5 + 15Bi2O3 + 10Li2O + 10Na2O + xNd2O3 (where x = 0.1, 0.3, 0.5, 1.0, 1.5, 2.0 in mol%) have been prepared by the conventional melt quenching
Autor:
Y.C. Ratnakaram, S. Damodaraiah
Publikováno v:
Journal of Luminescence. 207:553-560
A series of bismuth phosphate (BiP) glasses activated with 0.5 mol% of Dy3+ and different concentrations (0.1, 0.3, 0.5, 1.0, 1.5 and 2.0 mol%) of Sm3+ ions were prepared by melt quenching technique. These are characterized through optical absorption
Publikováno v:
Optical Materials. 88:7-14
In the present work, we report the optical properties of Sm3+ ions doped glasses having chemical compositions (70-x) NH4H2PO4+15Na2O+15M2O + xSm2O3 (where x = 0.5 mol% and M = Li, Mg, Ca, Sr, Ba). Structural details are obtained from XRD, SEM, FTIR,
Publikováno v:
Journal of Luminescence. 205:190-196
Potassium fluorophosphate (KFP) glasses doped with different concentrations of Dy3+ ions and co-doped with Eu3+ ions were prepared to study the luminescence spectra. Optical transition properties of Dy3+ doped KFP glasses were assessed with the aid o
Publikováno v:
Journal of Luminescence. 245:118786