Latest Publications & Patents on Rare-Earth Elements
This is our latest selection of worldwide publications and patents in english on Rare-Earth Elements, between many scientific online journals, classified and focused on rare-earth element, scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, rare earth and rare-earth.
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Pioneering Photocatalysts for Organic Dye Degradation from Wastewater
Published on 2025-03-02 by Lakshita Phor, Rinku Kumar, Virat Khanna, Soumya V. Menon, Amanvir Singh, Milan Singh, Amanpreet Singh, Jaideep Malik, Surjeet Chahal @MDPI
Abstract: The pressing need to enhance the efficiency of wastewater treatment is underscored by the significant threat that water pollution poses to human health and environmental stability. Among current remediation techniques, photocatalysis has emerged as a promising approach due to its reliance on advanced material properties. Cerium oxide’s tunable bandgap and defect engineering, combined with graphene’s high surface area, conductivity, and functionalization, synergistical[...]
Our summary: This review explores pioneering photocatalysts for organic dye degradation from wastewater, emphasizing the synergistic effects of CeO2 and graphene-based materials. It evaluates existing treatment methodologies and discusses key issues such as environmental impact and scalability, aiming to advance clean water treatment technologies.
photocatalysts, organic dye degradation, wastewater treatment, CeO2-graphene composites
Publication
Vat Photopolymerization of CeO2-Incorporated Hydrogel Scaffolds with Antimicrobial Efficacy
Published on 2025-03-02 by Nelly Aimelyne Mpuhwe, Gyu-Nam Kim, Young-Hag Koh @MDPI
Abstract: We herein demonstrate the utility of gelatin methacryloyl (GelMA)/poly(ethylene glycol) diacrylate (PEGDA)–cerium oxide (CeO2) hydrogel inks for manufacturing hydrogel scaffolds with antimicrobial efficacy by vat photopolymerization. For uniform blending with GelMA/PEGDA hydrogels, CeO2 nanoparticles with a round shape were synthesized by the precipitation method coupled with calculation at 600 °C. In addition, they had highly crystalline phases and the desired chemical[...]
Our summary: GelMA/PEGDA-CeO2 hydrogel inks were used to manufacture hydrogel scaffolds with antimicrobial efficacy. CeO2 nanoparticles were synthesized for uniform blending and outstanding antimicrobial efficacy. GelMA/PEGDA-CeO2 hydrogel scaffolds with different CeO2 contents were characterized for optimal properties.
Vat photopolymerization, Hydrogel scaffolds, CeO2 nanoparticles, Antimicrobial efficacy
Publication
A Study of the Hall Effect on Doped and Undoped Praseodymium Nickelate Perovskite Thin Films and the Impact of the Reduction Process
Published on 2025-03-01 by Alex Misiak, Mufeed Keenari, Yohann Breard, Wilfrid Prellier, Alain Pautrat, Adrian David @MDPI
Abstract: PrNiO3 and Pr0.8Sr0.2NiO3 epitaxial thin films were deposited by pulsed laser deposition (PLD) on different substrates and studied for Hall effect and resistivity behavior. Conductive behavior is observed in the doped composition, and a normal Hall effect allows to determine charge carrier’s density and mobility. The doped compositions show a high concentration of charge carriers (≈1023 cm−3 at 300 K), and it appears that they can be controlled by the st[...]
Our summary: Study of Hall Effect on Doped and Undoped Praseodymium Nickelate Perovskite Thin Films, Impact of Reduction Process, Enhancement of Transport Properties
Hall Effect, Doped, Praseodymium Nickelate, Thin Films
Publication
Effect of Holding Temperature on Wear and Corrosion Resistance of Rare Earth Oxide Thermally Diffused Zinc Coatings
Published on 2025-03-01 by Ruolei Chen, Wei Liu, Zeyang Wang, Biao Xie, Zeng Yi, Zhiyuan Wang, Jingwei Xiao, Jian Gu, Kaiming Wang @MDPI
Abstract: The challenging wind conditions surrounding power transmission lines exacerbate the wear and corrosion of transmission line fittings. Thermal diffusion galvanizing technology, a novel method for obtaining galvanizing layers, significantly enhances the wear and corrosion resistance of metal components, thereby extending their service life. Holding temperature plays a critical role in determining the performance of the thermally diffused zinc coating. In this study, we prepared thermally diffused [...]
Our summary: Effect of Holding Temperature on Wear and Corrosion Resistance of Rare Earth Oxide Thermally Diffused Zinc Coatings. Thermal diffusion galvanizing technology significantly enhances the wear and corrosion resistance of metal components. Increasing the holding temperature enhances the diffusion of zinc and iron, yielding thicker coatings.
thermal diffusion, wear resistance, corrosion resistance, holding temperature
Publication
Influence of La/Al Doping via Magnetron Sputtering on the Mechanical and Tribological Properties of TiN Coatings
Published on 2025-02-28 by Weihang Chang, Hongfeng Zhang, Changling Tian, Yujun Xue, Gang Liu @MDPI
Abstract: Adding alloying elements to binary nitrides enables the design of hard and tough coatings. To improve the mechanical and tribological performances of TiN-based coatings, La atoms were added to TiAlN coatings to form TiAlLaN coatings. Magnetron sputtering was conducted to prepare the TiAlLaN coatings. Thereafter, scanning electron microscopy (SEM), x-ray diffraction (XRD), nano-indentation, and a tribometer were utilized to test their microstructure, phases, and mechanical and tribological perfor[...]
Our summary: Influence of La/Al Doping on TiN Coatings, Enhanced toughness and hardness, Reduced wear and friction properties.
TiAlLaN coatings, Magnetron sputtering, Mechanical properties, Tribological properties
Publication
Substitutions in Fe2P Alloys for Permanent Magnet Applications
Published on 2025-02-28 by Vasilios Panagopoulos, Athanasios Sigalos, Dimitrios I. Anyfantis, Dimitrios Niarchos @MDPI
Abstract: Fe2P (iron phosphide) alloys have garnered significant interest in recent years due to their potential applications in permanent magnet materials, particularly in the context of energy-efficient and environmentally friendly technologies. We have sought to tailor the magnetic properties, such as magnetization, coercivity, and Curie temperature, to meet the specific requirements of rare-earth-free permanent magnets for various industrial sectors. In this work, we review recent advancements in the [...]
Our summary: Review of recent advancements in Fe2P alloys substitutions for enhancing magnetic performance in permanent magnet applications, including the impact of Si, Co, Mn, and Ni substitutions on magnetization, coercivity, and Curie temperature.
substitutions, Fe2P alloys, permanent magnet, magnetic properties
Publication
Quantum repeater for optical network and method
Patent published on the 2025-02-19 in GB under Ref GB2632741 by NANOFIBER QUANTUM TECH INC [JP] (Akihisa Goban [jp], Shinya Kato [jp], Ryotaro Inoue [jp], Takao Aoki [jp])
Abstract: A quantum repeater system comprising one or more intermediary repeater devices, each of the repeater devices comprising: a first fiber optical cable having first and second end regions, first and second fiber Bragg gratings configured on the first and second end regions respectively, a nanofiber region configured from a center portion of the fiber optic cable and coupled between the first end region and second end region, a first and second tapered region configured between the nanofiber region [...]
Our summary: Quantum repeater system with intermediary devices, fiber optic cables, tapered regions, and evanescently coupled atoms for distributing quantum entanglement between repeaters.
quantum repeater, optical network, fiber Bragg gratings, nanofiber region
Patent
Film, mid infrared detection system, methods of forming and operating the same
Patent published on the 2025-02-13 in WO under Ref WO2025034172 by NATIONAL UNIV OF SINGAPORE [SG] (Wang Chongwu [sg], Liang Liangliang [sg], Liu Xiaogang [sg], Wang Qijie [sg])
Abstract: Various embodiments may relate to a film. The film may include one or more types of nanostructures. The film may also include one or more types of ligands bonded to the one or more types of nanostructures. The one or more types of nanostructures may include neodymium (Nd) and ytterbium (Yb). A ratio of a molar concentration of neodymium (Nd) to a molar concentration of ytterbium (Yb) may be more than 1: 1.[...]
Our summary: Film with nanostructures and ligands for mid infrared detection system, including neodymium and ytterbium in specific molar concentrations.
film, mid infrared detection system, nanostructures, ligands
Patent
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