Crystal chemistry of the monazite structure

N Clavier, R Podor, N Dacheux - Journal of the European Ceramic Society, 2011 - Elsevier
The AXO4 monazite-type compounds form an extended family that is described in this
review in terms of field of stability versus composition. All the substitution possibilities on the …

Recent progress on synthesis and structural aspects of rare-earth phosphates

SN Achary, S Bevara, AK Tyagi - Coordination Chemistry Reviews, 2017 - Elsevier
In this article a brief review of recent progress on preparation and crystal chemistry of rare-
earth phosphates have been presented. The article begins with a brief note on the rare …

Structural determination of a highly stable metal-organic framework with possible application to interim radioactive waste scavenging: Hf-UiO-66

S Jakobsen, D Gianolio, DS Wragg, MH Nilsen… - Physical Review B …, 2012 - APS
High-resolution synchrotron radiation x-ray powder diffraction (HR-XRPD) combined with Hf
L 3-edge extended x-ray absorption fine structure allowed us to determine the structure of a …

Inorganic waste forms for efficient immobilization of radionuclides

BK Singh, MA Hafeez, H Kim, S Hong… - ACS ES&T …, 2021 - ACS Publications
The immobilization of long-lived radionuclide wastes generated from nuclear power plants
(NPPs) during NPP operation, fuel reprocessing, and decommissioning of nuclear reactors …

Monazite as a promising long-term radioactive waste matrix: Benefits of high-structural flexibility and chemical durability.

N Dacheux, N Clavier, R Podor - American Mineralogist, 2013 - degruyter.com
ABSTRACT Monazite (Ln3+PO4) and related solid solutions are a well-known source of rare
earth elements on earth. They may also accommodate large amounts of thorium and …

Rare earth phosphate powders REPO4· NH2O (Re= La, Ce or Y)—Part i. Synthesis and characterization

S Lucas, E Champion, D Bregiroux… - Journal of Solid State …, 2004 - Elsevier
Rare earth phosphate powders (Re= La, Ce or Y) were synthesized from an aqueous
precipitation method. The effect of temperature, pH, ripening time and Re/P mole ratio of the …

Rare earth phosphate powders RePO4· nH2O (Re= La, Ce or Y) II. thermal behavior

S Lucas, E Champion, D Bernache-Assollant… - Journal of Solid State …, 2004 - Elsevier
The thermal behavior, thermostructural and morphological changes, of rare earth phosphate
powders RePO4· nH2O (Re= La, Ce or Y) was investigated up to 1500° C using high …

Monazite as a suitable actinide waste form

H Schlenz, J Heuser, A Neumann, S Schmitz… - 2013 - degruyter.com
The conditioning of radioactive waste from nuclear power plants and in some countries even
of weapons plutonium is an important issue for science and society. Therefore the research …

Immobilization of tetravalent actinides in phosphate ceramics

O Terra, N Dacheux, F Audubert, R Podor - Journal of Nuclear Materials, 2006 - Elsevier
Three phosphate-based ceramics were studied for the immobilization of tri-and tetravalent
actinides: britholite Ca9Nd1-xAnxIV (PO4) 5-x (SiO4) 1+ xF2, monazite/brabantite Ln1 …

Monazite, rhabdophane, xenotime & churchite: Vibrational spectroscopy of gadolinium phosphate polymorphs

N Clavier, A Mesbah, S Szenknect… - Spectrochimica Acta Part A …, 2018 - Elsevier
Rare-earth phosphates with the general formula REEPO 4· nH 2 O belong to four distinct
structural types: monazite, rhabdophane, churchite, and xenotime. We report herein the first …