Rare Earth Hosts

Rare Earth Elements | Commerce Resources

Rare earth element host mineralogy (monazite, bastnaesite, and xenotime) comprises phases amenable to recovery with processing using conventional and proven techniques * The current Ashram Technical Report dated January 7, 2015 explains why no after-tax case is included, and that a combined tax rate of around 32.5% may apply to production.

Ucore Hosts 2011 Alaska Rare Earth Conference | Ucore …

Ucore Hosts 2011 Alaska Rare Earth Conference. Halifax, Nova Scotia – (August 10, 2011) Ucore Rare Metals Inc (TSX-V:UCU) (OTCQX:UURAF) ("Ucore" or the "Company") is pleased to announce the successful completion of the 2011 Alaskan Rare Earth Conference.

Systematics of EPR spectra of GD3+ in some isostructural ...

Systematics of EPR spectra of GD 3+ in some isostructural rare-earth trisulphate octahydrate hosts

Rare Earth hypothesis - Wikipedia

The Rare Earth hypothesis argues that the evolution of biological complexity requires a host of fortuitous circumstances, such as a galactic habitable zone, a central star and planetary system having the requisite character, the circumstellar habitable zone, a right-sized terrestrial planet, the advantage of a gas giant guardian like Jupiter ...

Rare earth elements facts | Natural Resources Canada

Rare earth elements (REEs) are used in a variety of industrial applications, including electronics, clean energy, aerospace, automotive and defence. Global demand for REEs was estimated at …

Muon hyperfine fields in rare earth hosts - ResearchGate

When a muon is implanted in a rare earth host the electric field gradient created by the muon charge will affect the orientation of neighbouring rare earth moments and so will lead to strong ...

Rare Earth Investing News | Investing News Network

The 17 rare earth elements (REEs) are as diverse as they are challenging to pronounce. The group is made up of 15 lanthanides, plus yttrium and scandium, and each has different applications ...

Muon hyperfine fields in rare earth hosts

Muon hyper ne elds in rare earth hosts I.A. Campbell To cite this version: I.A. Campbell. Muon hyper ne elds in rare earth hosts. Journal de Physique Lettres, 1984,

Rare earth doped host materials - Rutgers, The State ...

2004-03-02· A rare earth element doped composition having a dopant concentration of up to about 60 mole percent of one or more rare earth elements selected from Tb, Dy, Ho, Er, Tm, Yb and Lu, wherein the composition is optically transparent to wavelengths at which excitation, fluorescence or luminescence of the rare earth elements occur.

Nuclear magnetic resonance on oriented rare-earth nuclei ...

We summarize the application of nuclear magnetic resonance of oriented nuclei to rare-earth impurities implanted in ferromagnetic crystals of heavy rare-earth hosts. The experimental aspects are treated in some detail; we present results obtained on /sup 160/TbTb, and give a formal description of

rareearthpottery.ca - host.io

rareearthpottery.ca (hosted on softlayer.com) details, including IP, backlinks, redirect information, and reverse IP shared hosting data

Nuclear magnetic resonance on oriented rare-earth …

Abstract We summarize the application of nuclear magnetic resonance of oriented nuclei to rare-earth impurities implanted in ferromagnetic crystals of heavy rare-earth hosts.

Use of thulium-sensitized rare earth-doped low phonon ...

Crystalline hosts with low phonon energies enable novel energy transfer processes when doped with rare earth ions. Two applications of energy transfer for rare earth ions in thulium-sensitized low phonon energy crystals that result in infrared luminescence are discussed.

OUR COMPANY - Lynas

Mt Weld, Western Australia. The Mt Weld Central Lanthanide Deposit (CLD) is one of the highest grade rare earth deposits in the world. Mt Weld also hosts the undeveloped Duncan (rare earth), Crown (niobium, tantalum, titanium, rare earths, zirconium) and Swan (phosphate) deposits.

Upconvemion-P-ped Luminescence Efficiency of Rare-Earth ...

Upconversion - Pumped Luminescence Efficiency of Rare - Earth - Doped Hosts Sensitized with Trivalent Ytterbium Ralph H. Page, Kathleen I. Schaffers, Phillip A. Waide,

New rare-earth hosts: OH in laser glasses - SPIE

Furnace-melt, multi-component glasses are used to produce dense gain media for waveguide and micro-chip lasers. The compositional flexibility is often accompanied by elevated water contents, which can lead to hydroxyl (OH) quenching.

Rare-earth element - Wikipedia

A rare-earth element (REE) or rare-earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.

RARE-EARTH ABUNDANCESIN HOST GRANITIC ROCKS AND …

Canadian Mineralogist Vol. 25, pp. 539-543 (1987) RARE-EARTH ABUNDANCES GYPSUM ASSOCIATED WITH Ansrnacr Data axe presented on the concentration of the rare-earth

New rare-earth hosts: OH in laser glasses - deepdyve.com

Read "New rare-earth hosts: OH in laser glasses, Proceedings of SPIE" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at …

Crystal Growth And Evaluation Of Rare Earth …

Single crystals of the perovskite-related rare earth orthogallates have been grown and examined for laser hosts. LaGaO 3 in pure form generally contains color centers or other intrinsic defects which lead to a high absorption from the ultra-violet to about 600 nm.

The hydrothermal mobility of the rare earth elements

The hydrothermal mobility of the rare earth elements A.E. Williams-Jones 1 1 Department of Earth and Planetary Sciences, McGill University, Montreal, QC, Canada

The Geology of Rare Earth Elements

The estimated average concentration of the rare earth elements in the Earth's crust, which ranges from around 150 to 220 parts per million (table 1), exceeds that of many other metals that are mined on an industrial scale, such as copper (55 parts per million) and zinc (70 parts per million).

Upconversion-pumped luminescence efficiency of rare …

@article{osti_587208, title = {Upconversion-pumped luminescence efficiency of rare-earth-doped hosts sensitized with trivalent ytterbium}, author = {Page, R.H. and Schaffers, K.I. and Waide, P.A. and Tassano, J.B. and Payne, S.A. and Kruplce, W.F. and Bischel, W.K.}, abstractNote = {We discuss the upconversion luminescence efficiencies of phosphors that generate red, green, and blue light. The ...

Systematics of EPR spectra of Gd3 + in rare-earth ...

Abstract Electron paramagnetic resonance spectra of the Gd 3+ ion in various rare-earth trinitrate hexahydrate (RNH) hosts have been studied at different temperatures.

Anion-Exchangeable Layered Materials Based on Rare …

Anion-Exchangeable Layered Materials Based on Rare-Earth Phosphors: Unique Combination of Rare-Earth Host and Exchangeable Anions

Laser Crystals - RP Photonics

The most frequently used laser-active rare earth ions and host media together with some typical emission wavelengths are shown in the following table:

Rare earth doped host materials - patents.google.com

A rare earth element doped composition having a dopant concentration of up to about 60 mole percent of one or more rare earth elements selected from Tb, Dy, Ho, Er, Tm, Yb and Lu, wherein the composition is optically transparent to wavelengths at which excitation, fluorescence or luminescence of the rare earth elements occur. Method for making ...

Systematics of EPR spectra of GD3+ in some isostructural ...

X-band data on Gd 3+ ions doping some isostructural single crystals of rare-earth trisulphate octahydrate [R 2 (SO 4) 3 ·8H 2 O] single crystals (RSH) have been obtained at room temperature for the hosts characterized by R = Pr, Nd, Sm, Eu, Yb and Y, and at liquid nitrogen and liquid helium temperatures for the hosts characterized by R = Pr ...