rare earth efficiency

  • Intensifying Screens Flashcards | Quizlet

    True or False: Rare earth screens absorb 10-20 times more x-ray than calcium tungstate. True Rare earth screens have increased speed due to a higher conversion efficiency and high x-ray absorption.

  • Thermodynamic Considerations in Molten Salt Electrolysis ...

    Thermodynamic Considerations in Molten Salt Electrolysis for Rare Earth Metals Arwin Gunawan ... electrolysis has higher current efficiency than the chloride system, yet it requires more energy consumption due to a higher decomposition potential in fluoride system.

  • Don't Panic about Rare Earth Elements - Scientific American

    May 31, 2019 · Don't Panic about Rare Earth Elements. The materials used in iPhones and Tesla cars need not become a long-term casualty of a U.S.-China trade war

  • High efficiency rare-earth emitter for thermophotovoltaic ...

    High efficiency rare-earth emitter for thermophotovoltaic applications E. S. Sakr, Z. Zhou, and P. Bermela) Birck Nanotechnology Center, School of Electrical and Computer Engineering, Purdue University,

  • Aluminum-Cerium Alloys Could Boost Engine Efficiency and ...

    Jun 10, 2016 · Aluminum-cerium alloys promise to boost domestic rare earth mining by increasing the demand and, eventually, the value of cerium. If, for example, the new alloys find a place in internal combustion engines, they could quickly transform cerium from an inconvenient byproduct of rare earth mining to a valuable product in itself.

  • Applications - RETA

    One emerging technology using rare earth magnets, magnetic refrigeration, could potentially improve the energy efficiency of refrigerators for home and commercial use. Rare earths are critical to our new energy technologies. Electronics. Rare earth elements enable faster, smaller, and lighter products such as cell phones and computer hard drives.

  • New Rare Earth Element Extraction Technology

    Sep 27, 2016 · New Rare Earth Element Extraction Technology. Pacific Northwest National Labo­ratory (PNNL) researchers are among a handful of teams explor­ing new methods to recover strate­gic, critical, and high-value metals (SCVM) vital to a host of clean energy technologies, such as solar panels, wind turbines, electric vehicles, and energy-saving lighting.

  • Design of spoke type motor and magnetizer for improving ...

    Performance efficiency and production costs in interior permanent magnet synchronous motors (IPMSM) can be improved by using rare earth permanent magnets. However, rare earth magnets contain materials such as neodymium, the cost of which has increased over the last few years. 1,2 1. A.

  • New alloy promises to boost rare earth production while ...

    Jun 04, 2016 · Oak Ridge National Laboratory. (2016, June 4). New alloy promises to boost rare earth production while improving energy efficiency of engines. ScienceDaily. Retrieved August 24, .

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  • Rare Earth (band) - Wikipedia

    Rare Earth is an American rock band affiliated with Motown's Rare Earth record label (named after the band), which prospered from 1970–1972. Although not the first white band signed to Motown, Rare Earth was the first big hit-making act signed by Motown that consisted only of white members.

    Genres: Psychedelic soul, psychedelic rock, blue-eyed soul
  • High-performance motors dispense with expensive rare-earth ...

    Rare-earth magnets are typically two to three times stronger than ferrite or ceramic permanent magnets. In electric motors, the use of rare-earth magnets enables greater performance to be obtained from a smaller, lighter motor.

  • develops high-efficiency motor without use of rare ...

    April 11, 2012 (Source: Mainichi) -- Ltd. said Wednesday it has developed a high-efficiency industrial motor without using rare earth metals, aiming to commercialize the product in the business year starting April 2014.The rare earth-free motor to be used for pumps and fans at plants and tunnels adopts amorphous metals and achieves the same efficiency as motors using rare earth magnets ...

  • Upconversion-pumped luminescence efficiency of rare-earth ...

    We discuss the upconversion luminescence efficiencies of phosphors that generate red, green, and blue light. The phosphors studied are single crystals and powders co-doped with Er{sup 3+} and Yb{sup 3+}, and with Tm{sup 3+} and Yb{sup 3+}. The Yb ions are pumped near 980 nm; transfers of two or ...

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  • Improving Hematite's Solar Water Splitting Efficiency by ...

    A simple substrate composed of hematite film and rare-earth nanocrystals (RENs) was prepared and characterized. Spectroscopy evidence indicates that the RENs in the composite absorb IR radiation (980 nm) and emit at 550 and 670 nm. ... Improving Hematite's Solar Water Splitting Efficiency by Incorporating Rare-Earth Upconversion Nanomaterials.

  • China foolishly threatens rare earth elements ban

    May 21, 2019 · Chinese threats to ban exports of "rare earth elements" critical to high-tech American products will foolishly boomerang by forcing the U.S. to ramp .

  • Rare Earth Complex as a High‐Efficiency Emitter in an ...

    Rare Earth Complex as a High‐Efficiency Emitter in an Electroluminescent Device. Z. R. Hong. Laboratory of Excited States Processes, Chinese Academy of Sciences, Changchun, 130021 (P. R. China) Search for more papers by this author. C. J. Liang.

  • Rare earth stocks on the ASX: The Ultimate Guide

    Sep 11, 2019 · Other applications may have futuristic functions, such as high-temperature superconductivity, safe storage and transport of hydrogen for a post-hydrocarbon economy, and as a solution for environmental global warming and energy efficiency issues. Rare earth element are also used in the automotive, oil refining and aerospace industries, the ...

  • Rare Earth Elements – Defense Metals Corporation

    Rare Earth magnets are used for Medical imaging technology, such a scans, MRIs, PET imaging and X-rays. ... Also, to gain efficiency in converting crude oil into refined gasoline. RARE EARTH DEPOSITS, PRODUCTION AND FLOW. DEFN HAS TO POTENTIAL TO BE MAJOR DOMESTIC SUPPLIER OF CRITICAL RARE EARTH MINERALS.

  • Rare earths recovery and gypsum upgrade from Florida ...

    This study focused on recovering rare earth elements (REEs) from a Florida phosphogypsum sample and investigated the effects of removing detrimental impurities such as phosphorus pentoxide (P 2 O 5), uranium (U) and fluorine (F) during the leaching process. Experimental results indicated that REE leaching efficiency increased rapidly, reached a ...

  • OSA | Rare earth co-doping for increased efficiency of ...

    Rare earth co-doping of erbium with optically inactive ytterbium or lanthanum ions was investigated in silica fibers for resonant pumping of amplifiers and lasers. The co-dopants are optically inactive when pumped at 1475 nm and therefore their main role is to reduce erbium clustering in solution-doped fibers. We have demonstrated increased efficiencies compared to fibers where no co-dopants ...

  • A high efficiency rare earth-free orange emitting phosphor ...

    Request PDF on ResearchGate | A high efficiency rare earth-free orange emitting phosphor | This communication provides a brief summary on rare earth (RE)-based and RE free-based nitrides and ...

  • Intensifying Screens Flashcards | Quizlet

    True or False: Rare earth screens absorb 10-20 times more x-ray than calcium tungstate. True Rare earth screens have increased speed due to a higher conversion efficiency and high x-ray absorption.

  • 1006 WB13 Flashcards | Quizlet

    use of rare earth screens results in lower patient dose and less __ stress on the x-ray tube absorbtion adequate x-ray conversion efficiency requires that the phosphor emit a .

  • What Are Rare Earths?

    Rare earth-enabled products and technologies help fuel global economic growth, maintain high standards of living, and even save lives. There are 17 elements that are considered to be rare earth elements—15 elements in the lanthanide series and two additional elements that share similar chemical properties.

  • Upconversion-pumped luminescence efficiency of rare-earth ...

    The Yb ions are pumped near 980 nm; transfers of two or three quanta to the codoped rare-earth ion generate visible luminescence. The main contribution is the quantitative measurement of this upconversion efficiency, based on the use of a calibrated integrating sphere, determination of the fraction of pump light absorbed, and careful control of the pump-laser-beam profile.