Thermally Induced Disorder–Order Phase Transition of Gd2Hf2O7:Eu3+ Nanoparticles and Its Implication on Photo- and Radioluminescence

SK Gupta, M Abdou, PS Ghosh, JP Zuniga, Y Mao - ACS omega, 2019 - ACS Publications
Crystal structure has a strong influence on the luminescence properties of lanthanide-doped
materials. In this work, we have investigated the thermally induced structural transition in …

La2Zr2O7: Pr3+ nanoparticles for luminescence thermometry based on a single parameter over a wide temperature range of 620 K

F Jahanbazi, Y Wang, JA Dorman, Y Mao - Journal of Alloys and …, 2022 - Elsevier
Luminescence thermometry based on the variation of the fluorescence intensity ratio (FIR) of
rare-earth materials has become fascinating owing to their applicability in chemically and …

Correlating Structure and Luminescence Properties of Undoped and Eu3+-Doped La2Hf2O7 Nanoparticles Prepared with Different Coprecipitating pH Values …

SK Gupta, JP Zuniga, PS Ghosh, M Abdou… - Inorganic …, 2018 - ACS Publications
Understanding the structure–property relationship and optimizing properties of phosphors
for use in lighting and scintillation fields is an important materials challenge. In this work, we …

On structure and phase transformation of uranium doped La 2 Hf 2 O 7 nanoparticles as an efficient nuclear waste host

M Abdou, SK Gupta, JP Zuniga, Y Mao - Materials Chemistry Frontiers, 2018 - pubs.rsc.org
The design and development of efficient and stable nuclear waste hosts has drawn intensive
interest for long-lived lanthanides and actinides. A detailed investigation of their structure …

Effect of Molten Salt Synthesis Processing Duration on the Photo- and Radioluminescence of UV-, Visible-, and X-ray-Excitable La2Hf2O7:Eu3+ Nanoparticles

JP Zuniga, SK Gupta, M Abdou, Y Mao - ACS omega, 2018 - ACS Publications
Ln3+-ion-doped nanomaterials possess excellent properties because of their high color
purity, longer excited state lifetime, narrow emission, and large Stokes shifts. In this work, we …

Exploring the optical properties of La 2 Hf 2 O 7: Pr 3+ nanoparticles under UV and X-ray excitation for potential lighting and scintillating applications

JP Zuniga, SK Gupta, M Pokhrel, Y Mao - New Journal of Chemistry, 2018 - pubs.rsc.org
New optical materials with efficient luminescence and scintillation properties have drawn a
great deal of attention due to the demand for optoelectronic devices and medical …

Samarium-Activated La2Hf2O7 Nanoparticles as Multifunctional Phosphors

SK Gupta, M Abdou, JP Zuniga, AA Puretzky, Y Mao - ACS omega, 2019 - ACS Publications
Recent developments in the field of designing novel nanostructures with various
functionalities have pushed the scientific world to design and develop high-quality …

Pyrochlore Rare-Earth Hafnate RE2Hf2O7 (RE = La and Pr) Nanoparticles Stabilized by Molten-Salt Synthesis at Low Temperature

M Pokhrel, SK Gupta, K Wahid, Y Mao - Inorganic Chemistry, 2019 - ACS Publications
Complex oxides of the RE2Hf2O7 series are functional materials that exist in the fluorite or
pyrochlore phase depending on synthesis method and calcination temperature. In this study …

Structural and electrical characteristics of nanocrystalline La2Sn2O7 pyrochlore

C Kaliyaperumal, S Jayabalan, A Sankarakumar… - Solid State …, 2020 - Elsevier
Abstract Nanocrystalline La 2 Sn 2 O 7 ceramic with pyrochlore structural phase was
prepared by the chemical co-precipitation method followed by conventional sintering …

The synthesis of the rare earth A2Zr2O7 single crystals by simplified laser-heated floating hot zone and pedestal methods

D Staško, K Vlášková, D Vojtasová, F Hájek… - Materials Today …, 2024 - Elsevier
The condensed matter community is in constant search for efficient and feasible methods for
the synthesis of diverse compounds, especially in the single-crystalline form. We present a …