The family of rare earth (RE) nickelate perovskites RENiO3 has emerged over the past two decades as an important platform for quantum matter physics and advanced applications. The parent compounds from this family are strongly correlated insulators or metals, in most cases with long-range spin order. In the past few years, carrier doping has been …
Gueroult, R, Rax, JM & Fisch, NJ 2018, Plasma separation for rare earth elements recycling. in C Michaut, J Berndt, M Mantsinen, S Coda, G Lapenta & S Weber (eds), 45th EPS Conference on Plasma Physics, EPS 2018. 45th EPS Conference on Plasma Physics, EPS 2018, vol. 2018-July, European Physical Society (EPS), pp. 925-928, 45th …
Astronomers have detected a rare and extremely high-energy particle falling to Earth that is causing bafflement because it is coming from an apparently empty region of space.
Description. Handbook on the Physics and Chemistry of Rare Earths: Including Actinides, Volume 63, the latest release in this continuous series that covers all aspects of rare earth science, including chemistry, life sciences, materials science and physics, presents interesting chapters on a variety of topics, with this release including ...
Description. The rare earths represent a group of chemical elements, the lanthanides, together with scandium and yttrium, which exhibit similar chemical properties.
Location: 325 Physics South Hall & Zoom ... Solutions of the anisotropic Eliashberg equations yield two dominant s-wave gaps – a large gap on states of rare-earth Nd d-electron and interstitial orbital characters but a small gap on those of transition-metal Ni d-electron character. The superconducting quasiparticle density of states ...
Rare-earth (RE)-based honeycomb-lattice materials with strong spin–orbit coupled J eff = 1/2 moments have attracted great interest as a platform to realize the Kitaev quantum spin liquid (QSL) state. Herein, we report the discovery of a family of RE-based honeycomb-lattice magnets Ba 9 RE 2 (SiO 4) 6 (RE = Ho–Yb), which crystallize into the …
Rare-earth titanates (RTiO 3, where R is a trivalent rare-earth ion), in which the Ti 3+ ion has a single 3d electron, are prototypical Mott insulators. 1,2 Doping of these materials, for instance, by substituting divalent Sr on the R-site (hole doping) can be used to induce insulator-to-metal transitions. 3,4 For an ideal Mott insulator, any incremental …
Carrier Doping Physics of Rare Earth Perovskite Nickelates RENiO 3 Jiarui Li1*, Shriram Ramanathan2 and Riccardo Comin1* 1Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, United States, 2School of Materials Engineering, Purdue University, West Lafayette, IN, United States The family of rare earth (RE) nickelate …
As a class, the rare-earth elements comprise the 15 silvery-white metals, from lanthanum to lutetium, in the sixth row of the periodic table and the transition metals scandium and yttrium. Despite their name, most rare earths are not actually rare; nearly …
The REs are a family of 17 metallic elements formed by the group III (Sc, Y) and the lanthanide series (La–Lu). The name "rare earth" is misleading and does not represent a geological scarcity ( Fig. 1B) ( 71 ). The origin of this description lies in the occurrence of REs as a mixture of elements in minerals, generally at low concentration.
Intensities of Crystal Spectra of Rare‐Earth Ions. Magnetic and electric dipole transitions between levels of the 4 fx configuration perturbed by a static crystalline field are treated. The expression obtained for the pure‐electronic electric‐dipole transition probability involves matrix elements of an even‐order unit tensor between the ...
Rare-earth ions (REIs) in crystalline solids exhibit inhomogeneous broadening as low as 10 MHz 9,10,11 compared to 0.1–1 THz for defects in diamonds and quantum dots. Unlike defect centers and ...
Moreover, another important consequence of having rare-earth atoms occupying the perovskite A-sites, is that they interact, electronically, very little with the surrounding environment. ... Gschneidner K A 2016 Handbook on the Physics and Chemistry of Rare Earths vol 50 p 1 including Actinides. Go to reference in article; …
The last naturally occurring rare-earth element was discovered in 1907, but research into the chemistry of these elements was difficult because no one knew how many true rare-earth elements existed.Fortunately, in 1913–14 the research of Danish physicist Niels Bohr and English physicist Henry Gwyn Jeffreys Moseley resolved this situation. …
Presents up-to-date overviews and new developments in the field of rare earths, covering both their physics and chemistry; Contains individual chapters that are …
These rare-earth oxides are used as tracers to determine which parts of a watershed are eroding. Clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium ...
Published 1972. Physics. This book describes the fundamental physical properties of the rare earths in the solid state and outlines the theory used to interpret and correlate these properties. The six chapters respectively discuss ionic properties of salts, band structures, magnetic properties, transport properties, and rare earth compounds. (DLC)
Magnetic structures and excitations in rare-earth metals. J. Jensen. Physics. 2000. The two dominant magnetic couplings in the rareearth metals are the single-ion anisotropy terms due to the crystalline electric field acting on the magnetic 4f …
We have annealed Ge 28.125 Ga 6.25 S 65.625 glasses doped with 0.5% Dy to create glass-ceramics in order to examine the local chemical environment of the rare earth ions (REI). More than 12 times enhancement of the emission at 2.9 and 3.5 μm was achieved in glass-ceramics produced using prolonged annealing time.Elemental …
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The Journal of Rare Earths reports studies on the 17 rare earth elements. It is a unique English-language learned journal that publishes works on various aspects of basic theory and applied science in the field of rare earths (RE). The journal accepts original high-quality original research papers and review articles with inventive content, and ...
The rare-earth metals have high magnetic moments and a diverse range of magnetic structures 1. Their magnetic properties are determined by the occupancy of the …
Several platforms are being considered as hardware for quantum technologies. For quantum computing (QC), superconducting qubits and artificially trapped ions are among the leading platforms, but many others also show promise, e.g. photons, cold atoms, defect centers including Rare-Earth (RE) ions. So far, results are limited to …
A review of neutron diffraction studies of the magnetic properties of rare‐earth metals and alloys is presented. For each of the pure metals Tb, Dy, Ho, Er, and Tm there is observed a transition at a temperature T N to an oscillatory antiferromagnetic configuration (helical or linear oscillator type). At lower temperatures, further transitions to ferromagnetic, …
Materials that matter Permanent magnets are alloys of rare-earth elements, which consist of the lanthanides (those with atomic masses between 57 and 71) along with scandium and yttrium in group 3 of the periodic table. (Courtesy: Shutterstock/Peter Hermes Furian) Rare earths are relatively abundant, with over 160 minerals known to contain them.
1. Phosphors. Phosphors are light-emissive materials that are consisting of a host matrix incorporated with a very less quantity of transition metal or rare-earth ions as activators [1].These materials are capable of converting the light of higher frequency to a lower frequency (Stokes shift) through electronic transitions [2, 3].A new milestone was …
Abstract. The aim of the authors in this monograph has been to present a general review of the magnetic properties of the rare earth metals, and a comprehensive, unified, and coherent account of the magnetic structures and excitations. These both reflect the nature of the fundamental interactions, and determine many of the characteristic ...
Rare-earth (RE) ions doped into desired locations of optical crystals might enable a range of novel integrated photonic devices for quantum applications. With this aim, we have investigated the production yield of cerium …
The need for rare earth elements ... Besides, the adsorption mechanism was scrutinized using statistical physics theory. To further study the potential for using the soybean pod-derived activated carbon to recover REEs in realistic conditions, phosphogypsum leachate was used. To our knowledge, there is a lack of effective and …
Rare earths are also used as a refiner in gas used to fuel internal combustion engines. Rare earth magnets, like that of Neodymium-iron-boron, are used in sensors, and even ferrite magnets contain small …
In conclusion, this special issue focuses on recent progress made with rare earth luminescent materials and considers designs, preparation methods and applications in lighting, displays, sensing ...
Vapor‐pressure measurements on the rare‐earth metals were made by the Knudsen effusion technique using a quartz‐fiber microbalance over a pressure range of 10 —1 to 10 —4 mm of Hg. The material used was specially prepared in order to minimize impurity effects. Ytterbium is the most volatile of the rare‐earth metals, while lanthanum ...
Long-range cooperative resonances in rare-earth ion arrays inside photonic resonators | Communications Physics. Article. Open access. Published: 12 April 2022. …
Abstract.
Handbook on the Physics and Chemistry of Rare Earths (Volume 15): 9780444889669: Gschneidner B.S. University of Detroit 1952 Ph.D. Iowa State University 1957, Karl A., Eyring, L.: Books ... and physics or rare earth materials. He was the founder of the Rare-earth Information Center and served as its Director for 30 …
The rare-earth nickelate NdNiO 3 is known to be a non-collinear antiferromagnet in which the onset of antiferromagnetic ordering is concomitant with a …
Although the hydrogen induced electronic transition within the perovskite family of rare-earth nickelate (ReNiO 3) beyond conventional semiconductors was recently discovered, the existing research stays at ReNiO 3 with light rare-earth compositions.To further extend the cognition toward heavier rare-earth, herein we demonstrate hydrogen …
