Rare earth magnets are also used in many offshore wind turbines to replace gearboxes, which boosts efficiency and decreases maintenance. ... and europium niobate and tantalate thin films ...Web
ادامه مطلبThe magnetic properties of epitaxial rare‐earth films and multilayers are known to be sensitive to lattice strain arising from the misfit between the substrate and the epitaxial rare earth overlayer. We find that rare‐earth films grow epitaxially, with no coherency strain, onto rare‐earth fluoride films on GaAs(111) substrates. ...Web
ادامه مطلبRare earth luminescent material CaAlSiN3:Eu2+ (CEu) was applied and modified with (3-Aminopropyl) triethoxysilane (KH550) to obtain two types of rare earth conversion agents, CEu and KH550-modified CEu (KCEu). Two kinds of polylactide (PLA) conversion films were successfully prepared through solution blending. The results …Web
ادامه مطلبWe have successfully electrodeposited the rare-earth alloy films Ni–Re–P (Re=Ce, Nd) and Ni–P from an aqueous bath. The percentage of rare earth is as high as …Web
ادامه مطلبThe magnetisation reversal behaviour as a function of composition was studied in low rare earth concentration alloys. 30 nm thick rare earth:transition-metal films of composition GdxCo100−x ...Web
ادامه مطلبCoupled with the ferromagnetic properties of iron, the result is a strongly magnetizable alloy without the need for rare-earth metals. Crystal structure of α"-Fe 16 N 2. Note how the nitrogen ...Web
ادامه مطلبRare-Earth Doped PZT Films. Majumder et al. (2001) investigated rare-earth (Nd, Gd, and Ce) doped PZT (53/47) thin films by sol-gel technique, realizing an improvement of ferroelectric and dielectric properties of the PZT thin films with Ce and Gd. Nd doping was effective to increase the retained switchable polarization of PZT from 63 to 84%.Web
ادامه مطلبHot-dip galvanized(HDG) steel sheets were treated for 30 s-24 h by the rare earth aqueous solution containing 20 g/L Ce(NO 3) 3 ·6H 2 O, and the growth behavior and corrosion resistance of the rare earth film were investigated by SEM, EDS, AES and NSS. The results reveal that the rare earth film becomes thick while the mass gain of the …Web
ادامه مطلبThin films of rare-earth monopnictide (RE-V) semimetals are expected to turn into semiconductors due to quantum confinement effects (QCE), lifting the overlap between electron pockets at Brillouin zone edges (X) and hole pockets at the zone center (Γ). Instead, using LaSb as an example, we find the emergence of the quantum spin Hall …Web
ادامه مطلبRare earth (RE = La 3+, Sm 3+, Pr 3+) ion doped Pb(Mg 1/3 Nb 2/3)O 3-PbTiO 3 (RE-PMN-PT) ferroelectric thin films with compositions near the morphotropic phase boundary were grown on the Pt/TiO 2 /SiO 2 /Si(100) substrate using sol-gel/spin coating method. The phase structure, electrical properties, and photoluminescence …Web
ادامه مطلبEllipsometric measurements have been made of optical properties of the heavy rare earth metals Gd, Tb, Dy, Ho, Er in the phonon energy range 0.35 eV to 2.5 eV and at certain temperatures between 20K and 300K corresponding to various magnetic phases of the metals. Rather diversive optical behaviour of the metals below the ordering temperature …Web
ادامه مطلبWang et al. have investigated the effect of Ce concentration on the surface morphology and corrosion resistance of Al-based conversion coatings. A film formed with 0.005 mol⋅L −1 Ce was dense with narrow micro-cracks. The coating was consisted of Al (OH) 3, Al 2 O 3, Mg (OH) 2, MgO, CeO 2 and Ce 2 O 3.Web
ادامه مطلبAnti-perovskite Mn 4 N has been known as a crystalline, rare-earth-free ferrimagnetic material. In Mn 4 N, the Mn-atoms have a face-centered cubic structure with one N-atom at the body center. A schematic of the unit cell is shown in Fig. 1.The Mn-atoms at the corner and the face center have inequivalent magnetic moments and are …Web
ادامه مطلبAfter adding rare earth complexes, the film exhibited the characteristic red light of Eu 3+, and fluorescence emission was the strongest at 617 nm. There has a red shift in the emission spectrum compared to the rare earth complexes powder, which can be explained by Nephelauxetic effect theory [32, 33].Web
ادامه مطلبRare-earth (RE) transition-metal (TM) thin films have exhibited great promise for spintronic applications; however, the variation of their magnetic properties with composition and thickness has yet to be adequately quantified. In this paper, we investigate the atomic magnetic moments of few-nanometer-thick GdCo and TbCo via x-ray …Web
ادامه مطلبRecently, rare-earth oxide films have attracted more and more attention as gate dielectrics in metal-oxide-semiconductor (MOS) devices, showing the advantages of high dielectric constant (k value), large band gap (E g) and outstanding physical and chemical stability in contact with silicon substrates.This paper reviews the recent …Web
ادامه مطلبThis review stands in the larger framework of functional materials by focussing on heterostructures of rare-earth nickelates, described by the chemical formula RNiO3 where R is a trivalent rare-earth R = La, Pr, Nd, Sm, …, Lu. Nickelates are characterized by a rich phase diagram of structural and physical properties and serve as …Web
ادامه مطلبThe rare earth film is a layer in which the concentrations of 0, Ce and Zn change continuously and gradually and there is not a distinct interface between the film and zinc substrate, and the thickness of the film increases with the increase of treatment time. Moreover, the characteristic of this kind of continuous gradual change does not alter ...Web
ادامه مطلبFor YBa 2 Cu 3 O 7−δ (YBCO) and REBCO [RE (rare-earth) = Sm, Gd, Eu etc.] films, J d at 77 K and zero applied field is estimated to be 40–50 MAcm −2 . This value is quite large but the observed values of J c are limited to about 10% of J d. Thus, there is large room for sufficient enhancement of J c by employing different methodologies.Web
ادامه مطلبRare-earth nickelates (RNiO 3, where R = trivalent rare-earth ion) exhibit a prototype bandwidth-controlled MIT (2, 3). RNiO 3 films have recently attracted renewed interest resulting from a prediction that orbital engineering can promote a Fermi surface that resembles that of the cuprate high-temperature superconductors (4, 5).Web
ادامه مطلبAmong the rare earth elements, neodymium (Nd 3+) is one of the important rare earth ions that have been doped in PbS thin film to achieve good opto-electric behaviors. Neodymium is one of the metals which are commonly used in various equipments such as color televisions, energy-saving lamps, fluorescent lamps, and …Web
ادامه مطلبHere, to induce flexoelectricity, we investigate various rare-earth iron-garnet thin films deposited on lattice-mismatched substrates.Web
ادامه مطلبFrom measurements of screen-film sensitometry, Wiener spectra, and x-ray spectra, the speed, mottle, and quantum efficiency of several rare earth screen-film systems have been characterized. These systems offer exposure reductions of from two- to tenfold over conventional calcium tungstate systems. At the slower end, the noise (mottle) and …Web
ادامه مطلبIn this paper, the growth of rare‐earth‐free compensated ferrimagnet (C‐FIM) Mn4N single crystalline films is reported, with perpendicular magnetic anisotropy (PMA) on the MgO(001) substrates by reactive magnetron sputtering. Subsequently, the current‐induced spin‐orbit torque (SOT) switching is experimentally demonstrated …Web
ادامه مطلبFollowing the initial discovery of superconductivity in Nd 0.8 Sr 0.2 NiO 2 (), the subsequent development of rare-earth (R) variants with Pr and La in place of Nd (2–5) has created an emerging family of superconducting infinite-layer nickelates (6–8).Unlike the cuprates, with which the nickelates are often compared, R-site variations are expected to …Web
ادامه مطلبThe Rare Earth, "blends a dystopian future with a bold account of the human evolution of Australian history to create a thought provoking experience on screen," according to the filmmakers. The film, says Andrew L. Urban, "is as surrealistic as any David Lynch movie, and as slippery to grasp. I don't pretend to fully understand it, but one ...Web
ادامه مطلبRare-earth Ni–Re–P (Re=Ce, Nd) films were prepared by electrodeposition from an aqueous bath using citric acid as a complexing agent on copper substrates. It was found that the percentage of rare earth was as high as 30 wt.%, the structure of all films was amorphous, and the glass temperature of all the films was about 385 °C. ...Web
ادامه مطلبHowever, incorporating rare-earth ions into a thin film form-factor while preserving their optical properties has proven challenging. We demonstrate an integrated photonic platform for rare-earth ions doped in a single crystalline thin film lithium niobate on insulator. The thin film is composed of lithium niobate doped with Tm 3+.Web
ادامه مطلبThin films of rare-earth monopnictide (RE-V) semimetals are expected to turn into semiconductors due to quantum confinement effects (QCE), lifting the overlap …Web
ادامه مطلبThis review article compiles the recent achievements made in layered rare-earth (RE) hydroxide (LRH), including controlled crystallization, structural and morphological features, anion exchange, nanosheet exfoliation, and application in the field of luminescence for both the Ln2(OH)5(Ax−)1/x·nH2O (251-LRH) and Ln2(OH)4(Ax−)2/x·nH2O (241-LRH) …Web
ادامه مطلبAbstract and Figures. This review stands in the larger framework of functional materials by focussing on heterostructures of Rare-Earth Nickelates, described by the chemical formula RNiO3 where R ...Web
ادامه مطلبThe Rare Earth. 2015 · 1 hr 35 min. TV-14. Fantasy · Sci-Fi. This feature film is a beautifully shot, compelling drama that uniquely blends science fiction, mysticism, and post-apocalyptic fantasy. StarringEliza Matengu George Werther Daniel Golevsky Alfred Lai Albert Skipper. Directed by Stevenson.Web
ادامه مطلبRare-earth iron-garnet (RIG) films were deposited on garnet substrates of Gd 3 Ga 5 O 12 (GGG) and Y 3 Al 5 O 12 (YAG) (001) through pulsed-laser deposition (PLD) using an ArF excimer laser with a ...Web
ادامه مطلبAmorphous thin films of Gd x Co 1−x, Ho x Co 1−x, Gd x Fe 1−x, and Y x Fe 1−x (0.1
Herein, we report samarium (Sm) dopant concentration effect on Cu2O films characteristics prepared by electrodeposition method. XRD patterns of the films indicated that pristine and Sm:Cu2O films have polycrystalline cubic structure with (111) preferred orientation. It was seen from the SEM photographs pinhole free dense triangle shaped …Web
ادامه مطلبRecently, rare-earth oxide films have attracted more and more attention as gate dielectrics in metal-oxide-semiconductor (MOS) devices, showing the advantages of high dielectric constant (k value), large band gap (E g) and outstanding physical and chemical stability in contact with silicon substrates. This paper reviews the recent …Web
ادامه مطلبThe focus of this work is to (i) synthesize and characterize the rare earth-coordinated polymer nanoparticles; (ii) study the microstructure of micro-/nano-sized …Web
ادامه مطلبMovie Info. A unique blend of science fiction, mysticism, and post-apocalyptic fantasy as the existence of an advanced pre-civilization comes into question. Genre: Sci-fi, Fantasy.Web
ادامه مطلبDepleted by deaths, disagreements and disinterest, Motown's token rock band Rare Earth didn't get an easy ride through the 70s. But what a ride it was. Rare Earth (Image credit: Michael Ochs Archive / Getty Images) Gil Bridges truly is the last of the last of the last. He has endured the deaths of three of his bandmates, the permanent ...Web
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