Rare Earth Oxide
Assessing hillslope-channel connectivity in an agricultural catchment using rare-earth oxide tracers and random forests models
... In this study, we looked at hillslope-channel connectivity, factors influencing sediment connectivity and sediment export out of the agricultural Latxaga catchment in Navarre, Spain. For measuring hillslope-channel ...
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Recycling of Rare Earth Magnet Waste by Removing Rare Earth Oxide with Molten Fluoride
... A rare earth element isolated by using solvent extraction is precipitated as oxalates to be ...an oxide to be a raw material of molten salt electrolysis. Rare earth metals are ...
8
First identification of rare earth oxide nucleation in chalcogenide glasses and implications for fabrication of mid infrared active fibers
... maximum rare-earth ion dopant concentration can be achieved without precipitat- ing gallium as the gallium selenide ...of rare- earth – doped selenide-based chalcogenide glass should help ...
10
Isokinetic Effect for the Thermal Decomposition of Urea in Presence of Rare-Earth Oxide of the Type-M2O3
... of Rare –Earth ...the rare earth metal oxides. In the present programme, rare earth metal oxides of the type M 2 O 3 (M= ...
5
Hydrogen Generation by Ammonia Cracking with Iron Metal Rare Earth Oxide Composite Catalyst
... surements that both composite samples (Fe:Ce:Zr = 30:1:5 and 10:1:1 in molar ratio) were consisted of the iron metal and cerium zirconium oxide solid solutions and no super lat- tice reflection derived from ...
5
Thermoelectric Properties of p Type Fe0 9Mn0 1Si2 with Rare Earth Oxide Addition
... of rare earth element into the phase as a p-type dopant due to the decomposition of a small amount of added oxides results in an increase in the carrier concentration of the sample and decreases its Seebeck ...
5
Robust hydrophobic surfaces from suspension HVOF thermal sprayed rare earth oxide ceramics coatings
... To conclude, robust hydrophobic surfaces on a selection of metallic substrates namely Al, SS and Ni were obtained from the deposition of thin CeO2 coatings 3–5 μm by SHVOF thermal sprayi[r] ...
8
A Comparison of the Pu O System with the Rare Earth Oxide Systems Ce O, Pr O and Tb O EUR 3563
... Relations between 0/M ratio and pseudo cubic and cubic lattice parameters in the systems Ce-0, Pr-0 1 Pu-0 and Tb-0 1 see table V.- Points in square brackets were found by extrapolating [r] ...
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Boron Suboxide Materials with Rare-earth Metal Oxide Additives
... fracture toughness are greatly influenced by the composition of the grain boundary phase and the grain size of the phases in the sintered material. Therefore, in this work, effort has been directed towards improving the ...
5
Production method for making rare earth compounds
... a rare earth compound, such as a earth-transition metal permanent magnet compound, without the need for producing rare earth metal as a process step, comprises carbothermically reacting ...
5
5.6 Binary rare earth alloys
... different rare earth metals allows almost complete mutual ...fabricate rare earth alloys with nearly uniform electronic properties, but containing ions with disparate magnetic properties, ...
10
Magnetic Behavior Of Light Rare – Earth Titanates
... Abstract: Magnetic susceptibility were measured as a function of temperature in a range of 300-1000K for light rare earth Titanates. Magnetic susceptibility for these compounds follows the Curie- Weiss law ...
10
Superconductivity and magnetism in rare earth nickel borocarbides
... reorientation which appears to be of first order between the two rhombic phases was observed, and this too was found to increase with temperature, which contradicts recent results obtain[r] ...
197
Rare earth elements in olivine:determination, occurrence and behaviour
... crystallising phases in mafic magmas (Bowen, 1915). It also occurs in stony and stony- iron meteorites and as inclusions in diamonds (Sobolev et al., 2008), demonstrating the wide range of geological settings and ...
163
Dielectric Properties Of Light Rare-Earth Titanates
... and Eu) are typical perovskite compounds with a distorted cubic or orthorhombic unit cell at room temperature with four formula units per unit cell [4]. These have been quite few studies [5,6] regarding the electrical ...
12
Optical constants of rare-earth substituted ferrite-
... as the calculated refractive index data points (n 2 values obtained using T M and T m ) are plotted in Fig. It can be noted that the refractive index (n) is in the range of 2.1-2.5 in [r] ...
18
The Hubbert Curve and Rare Earth Elements Production
... cumulative rare earth element production and time (years) for the United States, China and Global production ...All rare earth element amounts throughout are in metric tons ...
22
Rare earth element (REE) lanthanum doped zinc oxide (La: ZnO) nanomaterials: synthesis structural optical and antibacterial studies
... The doping of ZnO materials with different types of metallic ions [12-15] enhances its optical, magnetic and conducting properties. Such modified ZnO materials may be used as a base material for magnetic semiconductors, ...
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Solid state spectroscopy : rare earth hybride centres in the alkaline earth fluorides
... calcium and strontium fluoride containing cerium and pras.eo dymium were examined in the infrared. Typical absorption spectra obtained at liquid nitrogen temperature are reproduc ed in figure 3 . For each host the ...
151
The heats of combustion of some rare earth metals
... RESULTS OF COMBUSTION OF THE METALS The heat of combustion was determined from the temperature rise of the calorimeter, AT, and the water equivalent, W... where Qc = the heat leakage cor[r] ...
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