Results 51 to 60 of about 21,126 (236)

Europium-155 in Debris from Nuclear Weapons [PDF]

, 1967
The lithium-drifted germanium detector enables determination of europium-155 on a routine basis in environmental samples contaminated with debris from nuclear weapons.
A. Aarkrog, Aarkrog, Asker, Lippert, Jørgen Emil, J. Lippert   +3 more
core   +1 more source

Reinvestigation of Reactions of HgPh₂ with Eu and Yb Metal and the Synthesis of a Europium(II) Bis(tetraphenylborate)

Molecules, 2022
Europium bis(tetraphenylborate) [Eu(thf)7][BPh4]2⋅thf containing a fully solvated [Eu(thf)7]2+ cation, was synthesized by protolysis of “EuPh2” (from Eu and HgPh2) with Et3NHBPh4, and the structure was determined by single-crystal X-ray diffraction ...
Michal Wiecko, Zhifang Guo, Glen B. Deacon, Peter C. Junk   +3 more
doaj   +1 more source

Rare‐Earth Mediated Engineering in ZnSe@ZnS:Eu3+ to Simultaneously Achieve Structural Modulation and Atomic Eu Doping Sites for X‐Ray Imaging

Advanced Science, EarlyView.
A dual hard‐base anchoring strategy was developed to synthesize ZnSe@ZnS:Eu3+ quantum dots, leveraging fluoride‐oleylamine interactions to create surface atomic Eu doping sites. By precisely tuning temperature, Eu3+ concentration, and fluoride levels, we obtain morphologies ranging from tip growth to coupled flower‐like structures.
Jicun Ma, Chenhao Yang, Jiada Fan, Haorong Jiao, Jiawang Liu, Jialiang Xu, Hui Cai, Yinghui Wang, Boyuan Shen, Jiabin Cui   +9 more
wiley   +1 more source

Temperature-Dependent Luminescence Quenching in New Water-Soluble Europium Complexes in Water and Heavy Water

Journal of Biomedical Photonics & Engineering
The luminescent properties of three novel water-soluble europium complexes with organic ligands based on 2,2'-bipyridyl substituted with phosphonic acids were studied in water and heavy water at temperatures from 293 to 333 K.
Anastasiia V. Kharcheva, Dmitriy A. Kharitonov, Vitaliy A. Ioutsi, Nataliya E. Borisova, Svetlana V. Patsaeva   +4 more
doaj   +1 more source

Structural and Optical Characterization of Silica Nanospheres Embedded with Monodisperse CeO₂-Eu³⁺ Nanocrystals

Magnetochemistry, 2022
Luminescent nanocrystals embedded into silica microspheres were shown to be useful for silica labeling for biological applications, ensuring mechanical and chemical stability, nontoxicity, biocompatibility and optical properties.
Corina Secu, Cristina Bartha, Elena Matei, Cristian Radu, Mihail Secu   +4 more
doaj   +1 more source

Decay of Europium-154

Physical Review, 1957
The gamma rays and electrons of fission-product europium (${\mathrm{Eu}}^{153}$, ${\mathrm{Eu}}^{154}$, and ${\mathrm{Eu}}^{155}$) have been studied, and the results obtained for ${\mathrm{Eu}}^{154}$ are presented. Gamma rays belonging to this isotope have been identified at 0.1229 Mev (35%), 0.2480 Mev, ${0.593}_{3}$ Mev (4%), ${0.694}_{1}$ Mev ...
Juliano, Jose O., Stephens, F.S.
openaire   +2 more sources

Giant Magnetic Purcell Effect Induced by High‐Order Mie Resonances

Advanced Science, EarlyView.
High‐order Mie resonances in dielectric spheres selectively amplify magnetic dipole emission from Eu3+ emitters, producing a giant magnetic Purcell effect. Localized emitters can efficiently access high‐order resonant modes, and the low‐loss TiO2 platform enables direct far‐field observation of the enhanced emission.
Haonan Shi, Ningning Song, Anjun Huang, Zhengwen Yang, Jingbo Sun, Yongzheng Wen, Ji Zhou   +6 more
wiley   +1 more source

Epitaxial Core/Shell Nanocrystals of (Europium-Doped) zirconia and hafnia [PDF]

A careful design of nanocrystal architecture can strongly enhance the nanocrystal function. So far, this strategy faced a synthetic bottleneck in the case of refractory oxides.
Maria Chiara, Spadaro, Alexander, Gogos, Inge, Herrmann, Jordi, Arbiol, Yurii P., Ivanov, Jonathan, De Roo, Carlotta, Seno, Nico, Reichholf, Francesco, Salutari, Philippe F., Smet, Giorgio, Divitini   +10 more
core   +1 more source

EUROPIUM ION INFLUENCE ON THE FORMATION OF Ag-NANOPARTICLES IN FLUORINE PHOSPHATE GLASSES [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2015
The paper deals with research of formation characteristics of silver nanoparticles in fluorophosphate glasses 0.25 Na2O - 0.5 P2O5 - 0.10 Ga2O3 - 0.075 AlF3 - 0.025 NaF - 0.05 ZnF2 doped with EuF3 (0.8 and 4 wt.%) and without them.
R. O. Pysh'ev, E. V. Kolobkova
doaj   +1 more source

Luminescence Tracking and In Vivo Toxicity Evaluation of TiO₂ and Europium Doped TiO₂ Nanocrystals during Drosophila Development

Chemosensors, 2023
Titanium dioxide (TiO2) nanoparticles (NPs) are widely used in industry and commercial products. Thus, their potential risks to the environment and human health must be evaluated.
Jerusa Maria de Oliveira, Kellen Talita Romão da Silva, Francisco Rubens Alves dos Santos, Felipe Berti Valer, Ricardo Kenji Ohno Takaki, João Paulo Santos de Carvalho, Olagide Wagner de Castro, Thiago Lopes Rocha, Noelio Oliveira Dantas, Anielle Christine Almeida Silva, Lucas Anhezini   +10 more
doaj   +1 more source