Double pulse laser-induced breakdown spectroscopy (DP-LIBS) in collinear configuration was demonstrated to enhance the signal intensity of three rare earth elements (REEs), Eu, Gd, Pr, and Y (Yttrium is included because of its similar chemical properties and occurrence in similar deposits as REE).
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In the present work, rare earth (Nd, Eu, Er, Ho) doped oxyfluoroborate glasses were studied using laser induced breakdown spectroscopy (LIBS) technique. It has been observed that rare earth elements other than the doped one also reveal their presence in the spectrum. In addition the spectral lines of elements constituting the glass matrix …
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DOI: 10.2351/7.0000936 Corpus ID: 257419244; Detection of Y, La, Yb, and Dy elements in rare earth ores by double-pulse laser-induced breakdown spectroscopy @article{Deng2023DetectionOY, title={Detection of Y, La, Yb, and Dy elements in rare earth ores by double-pulse laser-induced breakdown spectroscopy}, author={Zhiwei …
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Abstract. Laser-induced breakdown spectroscopy (LIBS) was used to detect rare earth elements (REEs) in natural geological samples. Low and high intensity emission lines of Ce, La, Nd, Y, Pr, Sm, Eu, Gd, and Dy were identified in the spectra recorded from the samples to claim the presence of these REEs.
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This article covers various aspects of rare earth elements (REE), such as their distribution, mineralogy, deposits, uses, recycling, and environmental effects. It also …
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The rare-earth tritellurides (R Te 3, where R = La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Y) form a charge density wave state consisting of a single unidirectional charge density wave for lighter R, with a second unidirectional charge density wave, perpendicular and in addition to the first, also present at low temperatures for heavier …
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This infographic features data from the United States Geological Society (USGS) which reveals the countries with the largest known reserves of rare earth elements (REEs). What are Rare Earth Metals? REEs, also called rare earth metals or rare earth oxides, or lanthanides, are a set of 17 silvery-white soft heavy metals.
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A prototype Laser Induced Breakdown Spectroscopy (LIBS) sensor is tested for the determination of rare earth elements (Eu and Yb) in liquid and solid samples. The sensor head, built using a monolithic passively Q-switched (PQSW) Nd:YAG laser, produced a 1064 nm laser beam with 3.3 ns pulses and an energy of 4.2 mJ.
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A report by the USGS on the domestic and global production, use, import, export, price, and supply of rare earths in 2019. Includes statistics, tariff, depletion allowance, and …
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Mapping of rare earth elements in nuclear waste glass–ceramic using micro laser-induced breakdown spectroscopy. Author links open overlay panel X. Wang a, V. Motto-Ros a, ... Laser-induced breakdown spectroscopy (LIBS) is a suitable technique to realize space-resolved elemental analysis with fast response [8], [9].
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Note: While the N42 neodymium magnet is used more commonly, the strongest available magnet is of grade N52. Neodymium and samarium—two of the 17 rare earth elements—are ferromagnetic, …
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Several rare earth elements are used to produce the colors on screen. 3. Electronics. Smartphones employ multiple antenna systems, such as Bluetooth, GPS, and WiFi. The distance between these antenna systems is usually small making it extremely difficult to achieve flawless performance. Capacitors made of the rare, hard, blue-gray …
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A LIBS method for analyzing rare earth elements in liquid samples was developed and tested.. Adoption of groove constraint liquid–solid conversion preprocessing to improve signal stability and reproducibility. • Spatial confinement assisted surface-enhanced laser-induced breakdown spectroscopy (SC-SE-LIBS) was used in the study …
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Univariate and multivariate analyses of six rare earth elements [cerium (Ce), europium (Eu), gadolinium (Gd), neodymium (Nd), samarium (Sm), and yttrium (Y)] have been performed using data from laser-induced breakdown spectroscopy (LIBS). Binary mixtures of oxide forms of each rare earth element in …
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It is of great significance to explore the on-site rapid detection and analysis methods of rare earth elements in rare earth ores. Laser induced breakdown spectroscopy (LIBS) is an important tool to detect rare earth ores, which can be used for in situ analyses without complicated sample preparation. In this study, a rapid quantitative …
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2.2. Reagents. All the rare earth oxide powders (Eu 2 O 3, Gd 2 O 3, La 2 O 3, Nd 2 O 3, Pr 6 O 11, Sm 2 O 3, and the transition metal oxide Y 2 O 3), were obtained from Alpha Aesar, Ward Hill, Massachusetts (USA).The purity of the oxide powders that were used in this research was 99.99%. The graphite powder that was a natural, …
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It is of great significance to explore the on-site rapid detection and analysis methods of rare earth elements in rare earth ores. Laser induced breakdown spectroscopy (LIBS) is an important tool ...
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A report on the domestic and global production, use, import, export, price, and supply of rare earths in 2020. Includes data on rare-earth compounds, metals, oxides, and alloys, …
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The numerous applications of rare earth elements (REE) has lead to a growing global demand and to the search for new REE deposits. One promising technique for exploration of these deposits is laser-induced breakdown spectroscopy (LIBS). Among a number of advantages of the technique is the possibility to perform on-site …
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Conference: Spectral Analysis of Rare Earth Elements using Laser-Induced Breakdown Spectroscopy ... personnel dose, and contamination risk. Rare earth elements of commercial interest are found in the following three matrix groups: 1) raw ores and unrefined materials, 2) as components in refined products such as magnets, lighting …
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Semantic Scholar extracted view of "Determination of La in rare earth ores using laser-induced breakdown spectroscopy combined with bidirectional long short-term memory" by Jiaxing Yang et al.
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There is growing interest in rapid analysis of rare earth elements (REEs) both due to the need to find new natural sources to satisfy increased demand in their use in various electronic devices, as well as the fact that they are used to estimate actinide masses for nuclear safeguards and nonproliferation. Laser-Induced Breakdown Spectroscopy …
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Rare-earth elements (REEs) are required for use in modern high-tech applications and demand has increased significantly over the last decade. 1 However, processing of REE ores poses potential hazards to human health and the environment due to challenges in the management of thorium (Th) and uranium (U) in waste products. 2 If …
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Request PDF | Mapping of rare earth elements in nuclear waste glass–ceramic using micro laser-induced breakdown spectroscopy | A micro-LIBS system was set up based on a quadruple Nd:YAG laser at ...
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The Rare Earth Elements Market is expected to reach 175.03 kilotons in 2024 and grow at a CAGR of 4.19% to reach 214.89 kilotons by 2029. Iluka Resources Limited, Lynas Rare Earths, Ltd., Minmetals Land Limited, Rare Elements Resources Ltc. and Aluminum Corporation of China Ltd. are the major companies operating in this market.
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The rare earth elements (REE) consist of yttrium (Y) and the lanthanides, which can be further divided into light REE (La to Eu) and heavy REE (Gd to Lu, and Y) (Gupta and Krishnamurthy, 1992).
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Rare-earth element - Processing Ores: All rare-earth ores contain less than 10 percent REO and must be upgraded to about 60 percent in order to be processed further. They are first ground to a powder and then separated from the other materials in the ore body by various standard processes that include magnetic and/or electrostatic …
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Therefore, there is an urgent need for a rapid and accurate in situ detection and analysis method of rare earth elements. Laser-induced breakdown spectroscopy (LIBS), as a novel and promising analytical technique, shows several obvious advantages, such as rapid, real-time, ...
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Rare earth elements We use 100 percent recycled rare earth elements in all magnets, representing an unprecedented 98 percent of the total rare earth elements in the device. Tin We use 100 percent recycled tin in the solder of the main logic board. Apple also requires 100 percent of identified tin, tantalum, tungsten, gold, and
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Global rare earth element production amounted to an estimated 350,000 metric tons of rare earth oxides in 2023. With the largest known reserves worldwide, it is …
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