Light rare earth metals (LREMs)
Small scale heterogeneity of trace metals including rare earth elements and yttrium in deep sea sediments and porewaters of the Peru Basin, southeastern equatorial Pacific
... more light onto this small-scale regional variability, we investigated trace metal distributions in the solid phase and corresponding porewater to distinguish patterns and exceptions with respect to sed- iment ...
21
Study of iron stripping from DEHPA solutions during the process of rare earth metals extraction from phosphoric acid
... and light REM inhibits REM extraction and separation process, and, probable, is responsible for low extractant capacity for individual compounds of ...on rare-earth metals extraction ...with ...
5
Reclaim of Rare Earth Metals from Bond Magnets by Means of Thermally Activated Semiconductors (TASC)
... not the case. The electrons and holes are immediately recombined after excitation, because the light excitation occurs only on the surface of semiconductors where there are a number of carrier recombination ...
6
Thermal expansion of rare earth metals
... the rare earth metals was undertaken as part of a broad program of study of these elements, the ultimate goal being better understanding of metals in ...some light on certain high ...
79
Electrochemical Recovery of Rare Earth Elements from Magnets: Conversion of Rare Earth Based Metals into Rare Earth Fluorides in Molten Salts
... different phases in the sample were identified and are marked on Fig. 12. Fe and Co are present in the same areas. Al is distributed in the same areas as Nd and F, but its concentra- tion is low compared to Nd. The ...
6
Synergistic Effects of Light Rare Earth Element and Gd on the Electrochemical Performances of Ce2Ni7-type La-Mg-Ni-based Alloys
... of rare earth elements, and it has also been difficult to make a correct analysis and evaluation of the electrochemical behavior and performance of single ...of rare earth elements affects the ...
12
Distribution of Heavy Metals and Rare Earth Elements in the Surface Sediments of Penang River Estuary, Malaysia
... Rare earth elements are being widely exploited due to the ever rising demand in modern gadgetry manufac- turing such as magnet, catalyst, alloy, glasses, and related electronics ...heavy metals and ...
14
Recovery of Rare Earths from Magnet Sludge by FeCl2
... A schematic drawing of the apparatus used for the extrac- tion of rare earth elements combined with the vacuum distil- lation is shown in Fig. 6. A closed end stainless steel tube (I.D. 35 mm) was placed ...
8
World Hydrogen Energy Conference174-179
... Some 40 papers attested to the continued importance of the platinum group and rare earth metals in hydrogen storage, separation, catalytic and fuel cell technologies, and those paper[r] ...
6
Analysis of Different Rare Metals, Rare Earth Elements, and other Common Metals in Groundwater of South West Bank/Palestine by ICP/MS Data and Health Aspects
... the rare earth elements, knowl- edge about health effects are rather limited ...these rare elements, the concentrations of these elements such Bi, and rare earth elements, which are ...
8
Cerium Separation from Light Rare Earth Concentrate by Liquid Liquid Extraction
... in the extraction of cerium, extracting it preferentially to other elements, being the se- lectivity of the first higher. This preference can be explained by the presence of tetrava- lent cerium ions in solution which ...
10
Microlayered Composite Materials on Basis of Copper, Refractory, Rare Earth Metals, and Carbon for Electrical Contacts and Electrodes
... cesses is to press the refractory metals, sinter the pressed porous compact at a high temperature, and infiltrate with copper. Other traditional manufacturing process is hot-pressing of powder mix of refractory ...
10
Magnetic Modes in Rare Earth Perovskites: A Magnetic Field Dependent Inelastic Light Scattering study
... environment (100 mTorr) for about 30 minutes does not have any significant effect on the magnetic-field sensitive peaks in the Raman spectrum (recorded using 532 nm laser line), demonstrating the stability and robustness ...
8
Rare earth doping of silicon
... Rare earth ions in solids can also undergo nonradiative transitions as a result of their interaction with the host material. Since there is a large variation in vibrational spectra among materials, this ...
165
Geology & Geochemistry of the Kingman Feldspar, Rare Metals and Wagon Bow Pegmatites
... The crystallization sequence observed in the pegmatites from this study is similar to other NYF pegmatites. They are all zoned with a composite quartz microcline core although the internal zonation is variable among the ...
180
Extraction of rare earth and heavy metals, using ionic solvents as extraction medium (A Review)
... Another factor needs to be considered: the pH. Indeed, as the TOAH is an ammonium, the acidic proton on the ammonium can be removed if the pH isn’t acid enough. With that optic, Katsuka and co-workers have studied the ...
18
Recycling of Rare Earth Magnet Waste by Removing Rare Earth Oxide with Molten Fluoride
... Neodymium (Nd)iron (Fe)boron (B) sintered magnet, a key device for solving environmental problems and energy problems, was developed in Japan, and the mass production was also realized. 1) At present, Japan is a major ...
8
Optical and Electrical Properties of Neodymium Doped Cadmium Selenide Nanocrystalline Thin Film
... II-VI Semiconductor are used in many applications such as solar cell, LED, . Semiconductor thin films give better results over microcrystalline thin film. Development of nanocrystalline thin film reduces the size of the ...
6
The Market For The "Not-So-Rare" Rare Earth Elements
... the rare earth element industry by developing the resources (technology, techniques and an experienced labor force) required to efficiently and effectively mine, extract, separate and refine rare ...
8
Distribution of Rare Earth Metals in Technogenic Wastes of Energy Enterprises (Results of the Laboratory Studies)
... (rare earth metals) between foam and heavier products is going during the flotation process of carbon-containing ash and slag samples without significant ...concentrate rare earth ...
6