"rare earth synthesis"

Sonochemical Synthesis of Nanocrystalline Rare Earth ...

2019-5-25 · This paper describes, for the first time, a simple sonochemical method for the synthesis of nanoparticles of a series of rare earth orthoferrites. This sonochemical process is enabling synthesis of nanoparticles of the rare earth orthoferrites at a substantially lower calcination temperature by using simple precursors, iron pentacarbonyl and rare earth carbonates.

More Details
Liquid‐Phase Synthesis of Highly Reactive Rare‐Earth Metal ...

2021-4-30 · In sum, a reliable liquid-phase synthesis of rare-earth metal nanoparticles is shown for the first time with La 0, Ce 0, Sm 0, Eu 0, Tm 0, Y 0, and Sc 0 as examples. The synthesis uses metal halides as low-cost starting materials, THF as conventional solvent, and [LiNaph] as a powerful, easy-to-handle reducing agent. The as-prepared rare-earth ...

More Details
Synthesis, microstructures, and corrosion behaviors of ...

2021-8-14 · Multi-components and equimolar rare earth monosilicates, (Y 1/3 Dy 1/3 Er 1/3) 2 SiO 5, (Y 1/3 Dy 1/3 Lu 1/3) 2 SiO 5, (Y 1/4 Dy 1/4 Ho 1/4 Er 1/4) 2 SiO 5 and (Yb 1/4 Dy 1/4 Ho 1/4 Er 1/4) 2 SiO 5, were prepared by solid-state reactions and the following hot-pressing nse microstructures with uniform elemental distributions were obtained for all samples.

More Details
Rare Earth Ion-Doped Upconversion Nanocrystals: …

The unique luminescent properties exhibited by rare earth ion-doped upconversion nanocrystals (UCNPs), such as long lifetime, narrow emission line, high color purity, and high resistance to photobleaching, have made them widely used in many areas, including but not limited to high-resolution displays, new-generation information technology, optical communication, bioimaging, and therapy.

More Details
Process Intensified Synthesis of Rare-Earth Doped β-NaYF4 ...

2019-11-28 · Process Intensified Synthesis of Rare-Earth Doped β-NaYF4 Nanorods toward Gram-Scale Industrial & Engineering Chemistry Research ( IF 3.720) Pub Date : 2019-11-22, DOI: 10.1021/acs Yiran Jiao,Yuan Pu,Jie-Xin Wang,Dan Wang,Jian-Feng Chen

More Details
Synthesis of complex rare earth fluoride nanocrystal ...

2006-6-26 · The synthesis of rare earth fluorides and complex rare earth fluorides has attracted much attention recently?[].Fluorides can serve as host materials for up-conversion (UC) and down-conversion (DC) processes and can be applied in the fields of lighting, display technology and biolabelling since the development of infrared laser diode?[].NaYF 4, representing the complex rare earth fluoride ...

More Details
Rare Earth doped LaPO4 Phosphor Synthesis and …

2016-9-9 · with rare earth ions form an important class of phosphors as they possess a few interesting characteristics such as excellent chemical stability, high luminescence efficiency, and flexible emission colors with different activators. As a new green luminescent material, LaPO. 4 . Ce,Tb phosphor has been widely studied since it was found by different

More Details
(PDF) Rare Earth Fluoride Synthesis

2021-9-16 · The binary rare earth fluori des are important precursor materials for upconverters (KYF 4 :Er,Tm) or Faraday rotarors (KTb 3 F 10 ). The synthesis of high purity rare earth fl uorides is challenging

More Details
Hydrothermal Synthesis of Rare-Earth Fluoride …

Rare earth elements (REEs) cover a wide range of practical applications in modern industry. Rare-earth materials have drawn big attention because of their wide range of applications in catalysis ...

More Details
Rare earth metal–organic frameworks (RE-MOFs): …

2021-2-15 · Rare earth metal–organic frameworks (RE-MOFs) have drawn a good deal of research interest due to their unique properties (e.g., luminescence, magneticity, and intrinsic porosity). As such, RE-MOFs are regarded as promising materials in diverse biomedical applications (e.g., diagnostic and therapeutic reagents).

More Details
Synthesis and characterization of some rare earth ...

2021-8-6 · @article{osti_5102107, title = {Synthesis and characterization of some rare earth arsenides. Technical report}, author = {Schurr, J N}, abstractNote = {Solid solutions of a new material, holmium niobium arsenide, were synthesized, and the binary arsenides NdAs and HoAs were prepared. Chemical analyses showed that both were arsenic-deficient.

More Details
Rare earth based nanostructured materials: synthesis ...

2017-6-29 · Abstract. Rare earth based nanostructures constitute a type of functional materials widely used and studied in the recent literature. The purpose of this review is to provide a general and comprehensive overview of the current state of the art, with …

More Details
SYNTHESIS OF RARE EARTH ELEMENT CHALCOGENIDES …

Title:SYNTHESIS OF RARE EARTH ELEMENT CHALCOGENIDES (in Russian) SYNTHESIS OF RARE EARTH ELEMENT CHALCOGENIDES. (in Russian) Inst. of Semiconductors, USSR. 4541315. NSA-20-026843. Journal Article. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy (U.S.S.R.)

More Details
Rare Earth Based Anisotropic Nanomaterials: Synthesis ...

2015-6-9 · Rare earths (RE) refer to the lanthanide elements La–Lu together with Sc and Y. Conventionally, they have found applications in phosphors, magnets, catalysts, fuel cell electrodes/electrolyte. Here in this chapter, we discuss the synthesis, assembly and applications of rare earth based anisotropic nanomaterials.

More Details
Synthesis of rare earth doped TiO2 nanorods as ...

1981-3-1 · The synthesis of trivalent rare earth monoxides, then, ap- pears possible under high pressure for the lighter rare earth elements. This has been confirmed by the experimental results. We have been able to synthetize cerium mon- oxide at pressures as low as 15 kbar but pressures around 50 kbar were required to obtain samarium monoxide.

More Details
Rare-Earth Nickelates: From Synthesis and Emergent ...

 · Rare-earth nickelates (RNiO3, where R denotes the lanthanide) have attracted significant interest in recent years, due to their remarkable properties and potential applications in electronics, catalysis, and energy storage. Their electronic states depend significantly on the rare-earth element. Changing R ions can vary the rotation, tilt, and distortion of the NiO6 octahedra, thus affecting ...

More Details
Synthesis and Characterization of Dinuclear Rare Earth ...

2020-10-28 · Cite this article: ZHANG Min,SUN Jiang-Hua,SUN Wei-Lin, et al. Synthesis and Characterization of Dinuclear Rare Earth Complexes Bearing N-heterocyclic Olefin Moieties[J]. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2020, 39(1): 79-85.

More Details
Rare‐Earth Incorporated Alloy Catalysts: Synthesis ...

2021-3-12 · This review summarizes the composition, synthesis, and applications of rare earth containing alloys in the field of catalysis. Subsequent to comprehensively summarizing and constructively discussing the existing work, the challenges and possibilities of future research on rare‐earth metal compound materials are evaluated.

More Details
Synthesis and Characterization of Rare Earth Complexes ...

2007-6-1 · Synthesis and Characterization of Rare Earth Journal of Rare Earths ( IF 3.712) Pub Date : 2007-06-01, DOI: 10.1016/s1002-0721(07)60537-7 Yan Changhao, Guo Chunfang, Lu Ping, Zhang Ming, Qiu Guanming Abstract Rare earth (Eu 3+ ) single nuclear chelated with α-methacrylic acid and 1, 10-phenanthroline, as well as the heteronuclear chelated of Eu 3+ and La 3+ ions, were synthesized.

More Details
Solid-state Synthesis and High Magnetostriction ...

2021-2-16 · The pseudobinary heavy rare earth–free Sm 0.88 Nd 0.12 Fe x compounds are prepared by mechanical alloying and subsequent solid-state sintering process. An amorphous phase can be formed by high-energy ball milling, followed by the formation of single-phase Sm 0.88 Nd 0.12 Fe 1.80 alloy at an annealing temperature of 690 °C.

More Details
Hydrothermal Synthesis of Rare-Earth Fluoride …

Usually, the main routes to rare earth fluorides nanoparticle synthesis are colloidal chemistry methods combined with the following various procedures allowing to prepare and to modify rare earth ...

More Details
Synthesis and Catalytic Activity of Dinuclear Rare-Earth ...

2020-3-25 · Synthesis and Catalytic Activity of Dinuclear Rare-Earth Metal Complexes with Nitrogen-Containing Bridged Dipyrrolyl Ligand towards Ring-Opening Polymerization of e-Caprolactone Jie Wu, Xiuli Zhang, Lijun Zhang, Yun Wei, Shuangliu Zhou

More Details
Versatile rare earth hexanuclear clusters for the design ...

2015-4-15 · Versatile rare earth hexanuclear clusters for the design and synthesis of highly-connected ftw-MOFs† Ryan Luebke, a Youssef Belmabkhout, a Łukasz J. Weseliński, a Amy J. Cairns, a Mohamed Alkordi, a George Norton, b Łukasz …

More Details
Synthesis of rare earth tailing-based geopolymer for ...

2020-9-10 · Successful synthesis of rare earth tailing-based geopolymer. • The RET-geopolymer has high compressive strength. • Over 95% immobilizing efficiency of heavy metals (Pb 2+ & Ba 2+).. Pb 2+ /Ba 2+ participated in the polycondensation process to form fixed PbO/BaSiO 3.

More Details
Rare‐Earth Incorporated Alloy Catalysts: Synthesis ...

2021-3-12 · This review summarizes the composition, synthesis, and applications of rare earth containing alloys in the field of catalysis. Subsequent to comprehensively summarizing and constructively discussing the existing work, the challenges and possibilities of future research on rare-earth metal compound materials are evaluated.

More Details
Rare-earth metal catalysts for high-pressure synthesis of ...

2021-4-19 · Among the rare earth metals, thulium was found to belong to the group of the most effective solvent–catalysts. In the Tm–C system, diamond synthesis and growth was established in the ...

More Details
Wet chemical synthesis of rare earth-doped barium …

2016-2-9 · Moreover, it enables the synthesis of nanocrystals at lower temperatures and high dopant levels can be used in comparison with the solid-state reaction. The present study, therefore, aims to summarize and review the current state-of-the-art wet chemical synthesis of rare earth-doped BaTiO 3 nanoparticles (BaTiO 3:RE). The techniques covered in ...

More Details
Rare earth upconversion nanophosphors: synthesis ...

2010-12-1 · The rare ZHANG Chao et al., Rare earth upconversion nanophosphors: synthesis, functionalization and application as … 809 earth ions constituting the matrixes are usually the relatively abundant (thus inexpensive) and spectroscopically inert (at least in the concerned spectral region) ones, like Y 3+, La 3+ and Gd 3+ ions.

More Details
Synthesis of Rare-Earth-Based Metallic Electride ...

Request PDF | Synthesis of Rare-Earth-Based Metallic Electride Nanoparticles and Their Catalytic Applications to Selective Hydrogenation and Ammonia Synthesis | We report the successful synthesis ...

More Details
BJNANO

Synthesis procedures of rare-earth metal nanoparticles (RE-NPs) and rare-earth fluoride nanoparticles (REF 3-NPs) were based on previous literature . All syntheses were carried out under inert conditions. The rare-earth metal amidinate precursors/[Eu(dpm) 3] were suspended at room temperature in the dried ILs [BMIm][BF 4], [BMIm][NTf 2] or in

More Details
(PDF) Rare Earth Compound Nanowires: Synthesis, …

Reprinted with permission from [45], Li, et al., Ultrathin Ca-PO 4-CO 3 Solid-Solution Nanowires: A Controllable Synthesis and Full-Color Emission by Rare-Earth Doping. Chem. Eur.

More Details
Rare earth fluoride nano-/microcrystals: synthesis ...

This feature article highlights the recent advances on the chemical synthesis, surface modification and applications of rare earth fluoride nano-/microcrysals. In the past decade, great progress in the size and shape control of rare earth fluoride nano …

More Details