Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides
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DOI: 10.1002/adem.202400842
Abstract: Rare‐earth borides have become very popular in recent decades with high mechanical strength, melting point, good corrosion, wear, and magnetic behavior. However, the production of these borides is very challenging and unique. The production of… read more here.
Keywords: mechanochemical synthesis; erb4 ndb4; rare earth; earth ... See more keywords
Tuning Bifunctional Oxygen Electrocatalysts by Changing the A-Site Rare-Earth Element in Perovskite Nickelates
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DOI: 10.1002/adfm.201803712
Abstract: Perovskite-structured (ABO(3)) transition metal oxides are promising bifunctional electrocatalysts for efficient oxygen evolution reaction (OER) and oxygen reduction reaction (ORR). In this paper, a set of epitaxial rare-earth nickelates (RNiO3) thin films is investigated with… read more here.
Keywords: oxygen; rare earth; oer activity; site ... See more keywords
Spontaneous Topological (Anti)meron Chains in the Domain Walls of Centrosymmetric Rare‐Earth Magnet
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DOI: 10.1002/adfm.202314127
Abstract: Exploration and manipulation of topological protected magnetic swirls, such as skyrmion, antiskyrmion, meron, and vortex, holds significance for fundamental research and practical applications in high‐density magnetic information storage and spintronics because of their high storage… read more here.
Keywords: topological anti; rare earth; anti meron; meron ... See more keywords
A General Synthesis of Soft Magnetic 2:17‐Type Rare‐Earth Cobalt Nanoalloys Decorated with Graphite as High‐Frequency Electromagnetic Materials
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DOI: 10.1002/adfm.202316715
Abstract: A general approach is reported to fabricate a series of single‐phase 2:17‐type rare‐earth cobalt (RE2Co17, RE = Y, Ce, Pr, Nd, and Gd) nanoalloys by precisely controlled calcium thermic reduction of amorphous RE‐Co precursors. High‐purity… read more here.
Keywords: earth cobalt; rare earth; type; electromagnetic materials ... See more keywords
Hybrid Strategy for In Situ Shaping of Zeolite‐Imidazolate‐Frameworks into Polymeric Macrocapsule: Toward Practical Applications of Rare Earth Element Recovery
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DOI: 10.1002/adfm.202407018
Abstract: The efficient recovery of rare earth elements (REEs) from secondary sources is an urgent global challenge. Although zeolite‐imidazolate‐framework‐8 (ZIF‐8) has unique advantages for REE recovery, its nanopowder form poses a significant obstacle to its practical… read more here.
Keywords: polymeric macrocapsule; rare earth; zeolite imidazolate; recovery ... See more keywords
Synergistic Nanoarchitectonics: Precision Membrane Engineering for Rare Earth Selective Separation
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DOI: 10.1002/adfm.202409274
Abstract: Rare earth elements (REEs) are vital in high‐tech industries and defense due to their strategic significance. Crafting an efficient membranes channel for REE separation poses a significant challenge. Employing 2‐methylimidazole‐hydrolyzed OH−, dopamine polymerization is initiated… read more here.
Keywords: separation; synergistic nanoarchitectonics; rare earth; nanoarchitectonics precision ... See more keywords
Trivalent Rare Earth Ion‐Doped Metal Halide Perovskite Near‐Infrared Semiconductors for High‐Performance Optoelectronic Devices
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DOI: 10.1002/adfm.202420021
Abstract: Given the extensive application of near‐infrared (NIR) emission, the quest for efficient and versatile NIR semiconductors have attracted tremendous attention. Leveraging trivalent rare earth (RE3+) ions doping, the integration of metal halide perovskites with RE3+… read more here.
Keywords: trivalent rare; rare earth; metal halide; ion doped ... See more keywords
Rare Earth Metal Ion‐Doped Halide Solid Electrolytes plus Ta5+ Substitution for Long Cycling All‐Solid‐State Batteries
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DOI: 10.1002/adfm.202426053
Abstract: Li2ZrCl6 (LZC) solid electrolyte has been recognized as a promising candidate for all‐solid‐state batteries (ASSBs), owing to its remarkable compatibility with high‐voltage cathodes and the cost advantage among halide electrolytes. However, the ionic conductivity of… read more here.
Keywords: rare earth; earth metal; state batteries; ionic conductivity ... See more keywords
Ultrahigh Piezo‐Photocatalysis Efficiency and Speed in Lead‐Free Ferroelectric Nanoparticles by Employing Rare‐Earth Tailored Band/Polar Structures
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DOI: 10.1002/adfm.202519351
Abstract: The escalating industrial utilization of toxic dyes has amplified environmental concerns regarding persistent water contamination. Although semiconducting ferroelectrics with spontaneous polarization demonstrate considerable potential for photocatalytic dye degradation due to their built‐in polarization fields, persistent… read more here.
Keywords: efficiency; rare earth; free ferroelectric; ferroelectric nanoparticles ... See more keywords
Near‐Infrared Luminescent Materials Incorporating Rare Earth/Transition Metal Ions: From Materials to Applications
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DOI: 10.1002/adma.202403076
Abstract: The spotlight has shifted to near‐infrared (NIR) luminescent materials emitting beyond 1000 nm, with growing interest due to their unique characteristics. The ability of NIR‐II emission (1000–1700 nm) to penetrate deeply and transmit independently positions… read more here.
Keywords: earth transition; transition metal; rare earth; luminescent materials ... See more keywords
High‐Entropy Rare Earth Oxides Anchoring Tunable Cuδ+ Nanochimneys for Self‐Tandem C‐C Coupling Catalysis
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DOI: 10.1002/adma.202503027
Abstract: Copper (Cu)‐based materials are promising for carbon‐carbon bond (C─C) coupling catalysis, but they are limited to poor structural stability, high activation energy, and low selectivity toward C2+ products. Here a customized synthetic protocol is defined… read more here.
Keywords: entropy rare; self tandem; rare earth; earth oxides ... See more keywords