Multifunctional Ca10 (PO4) 6F2 as a host for radioactive waste immobilization: Am3+/Eu3+ ions distribution, phosphor characteristics and radiation induced changes

P Das, N Pathak, P Modak, B Modak - Journal of Hazardous Materials, 2021 - Elsevier
Abstract Na+ 2 Eu 3+ 2: Ca 6 (PO 4) 6 F 2 is explored as a potential host for radioactive
waste immobilization. Since Eu 3+ ion is a surrogate of highly radioactive Am 3+ ion, the …

Evolution of different defect clusters in Eu 3+ doped KMgF 3 and Eu 3+, Li+ co-doped KMgF 3 compounds and the immediate impact on the phosphor characteristics

N Pathak, S Mukherjee, D Das, D Dutta… - Journal of Materials …, 2020 - pubs.rsc.org
Defects in the lattice have both positive and negative implications for the optical properties of
light emitting materials and a great effort is required to understand the defect structure …

Exploring Na0. 1Sr9. 8Eu0. 1 (PO4) 6F2 both as a potential phosphor material and host for radioactive waste immobilization

P Das, N Pathak, B Sanyal, S Dash… - Journal of Alloys and …, 2019 - Elsevier
In this work, we have reported synthesis and characterization of Na 0.1 Sr 9.8 Eu 0.1 (PO 4)
6 F 2, which has potential application for immobilization of radioactive waste and also as red …

Exploring site-selective photoluminescence of Eu3+ and Tb3+ ions in Sr10 (PO4) 6F2 and the development of different phosphor materials

N Pathak, K Ali, B Chundawat - Optical Materials, 2022 - Elsevier
We have developed a wide range of phosphor materials with varying color characteristics in
the green, yellow, orange, and red regions based on Sr 10 (PO 4) 6 F 2 matrix and different …

Engineering defect clusters in distorted NaMgF 3 perovskite and their important roles in tuning the emission characteristics of Eu 3+ dopant ion

S Mukherjee, N Pathak, D Das, D Dutta - RSC advances, 2021 - pubs.rsc.org
An attempt has been made to explore various new defect clusters in distorted NaMgF3
perovskite and their important role in tuning optical properties. We have tried to tailor the …

Multispectral tunability in single Eu 2+-doped (Ba, Sr) 5 (PO 4) 3 Br phosphor

R Li, J Zhang, Z Qiu, J Han, J Zhang, W Zhou… - Inorganic Chemistry …, 2020 - pubs.rsc.org
Spectral modification is crucial for luminescent materials. A variety of strategies have been
proposed in the literature, including the selection of activator ions with characteristic electron …

Synthesis and study of optical properties of Dy3+ doped yellow emitting fluoroapatite for white-LED applications

B Bawanthade, A Mistry… - Journal of Physics …, 2023 - iopscience.iop.org
In this article, we report that Ca 8 BiNa (PO 4) 6 F 2 fluorapatites, which were synthesised
using a modified Pechini method and were first time doped with Dy 3+ ions, are a promising …