Zoom sur

Are Keggin?s POMs charged nano-colloids or multicharged anions?

POM−POM structure factor considering a pair potential of spherical charged particles using the Hayter mean spherical approximation (MSA).

(Equipe L2IA)

Structural and magnetic susceptibility characterization of Pu(V) aqua ion using sonochemistry as a facile synthesis method

This work describes the rapid and facile sonochemical preparation of relatively stable Pu(V) solutions in the millimolar range free from the admixtures of the other oxidation states of plutonium.

(Equipe LSFC)

Self-Regulated Ion Permeation through Extraction Membranes

Separation of rare earth compounds from water into an organic phase in practical cases requires the use of specific ion binding ligands in high concentrations, that form a blocking layer above an ion concentration threshold, experimentally characterized. 

(Equipe LNER) 

Perfluoroalkyl- vs alkyl substituted malonamides: Supramolecular effects and consequences for extraction of metals

Substitution of extracting molecules with a long perfluoroalkyl chain was performed in order to modulate the weak intermolecular interactions and the supramolecular ordering of an organic system employed to recover metals of interest during liquid-liquid extraction processes.

(Equipe LHYS et LTSM)

Monitoring the microstructural evolution of Nd2Zr2O7 pyrochlore during dissolution at 90 °C in 4 M HCl: Implications regarding the evaluation of the chemical durability

The chemical durability of Nd2Zr2O7 ceramic is investigated using complementary surface analysis techniques.

(Equipe LIME)

The role of curvature effects in liquid-liquid extraction

A molecular approach for investigating the role of chain configurations of reverse micelles containing rare-earth metals involved in liquid–liquid extraction.

(Equipe LMCT) 

From in Situ HT-ESEM Observations to Simulation: How Does Polycrystallinity Affects the Sintering of CeO2 Microspheres?

In situ observation of the first stage of sintering of cerium dioxide microspheres performed using an environmental scanning electron microscope at high temperature (HT-ESEM).

(Equipe LM2E)