Articles with "rare earth" as a keyword



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Tuning Bifunctional Oxygen Electrocatalysts by Changing the A-Site Rare-Earth Element in Perovskite Nickelates

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Published in 2018 at "Advanced Functional Materials"

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
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Synthesis and Enhanced Capture Properties of a New BioMOF@SWCNT‐BP: Recovery of the Endangered Rare‐Earth Elements from Aqueous Systems

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Published in 2021 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202100730

Abstract: Human society is facing—among other environmental threats—an enormous challenge due to human activities. The extensive use of high‐tech devices and electronics equipment in the daily life makes, among others, rare‐earth elements (REEs) recovery from secondary… read more here.

Keywords: biomof; biomof swcnt; recovery; earth elements ... See more keywords
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LaSiP3 and LaSi2P6: Two Excellent Rare‐Earth Pnictides with Strong SHG Responses as Mid‐ and Far‐Infrared Nonlinear Optical Crystals

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202002176

Abstract: Two rare‐earth pnictide‐based infrared (IR) nonlinear optical (NLO) crystals, LaSiP3 and LaSi2P6, are successfully synthesized by metal salt flux method, which are the first two cases for rare‐earth pnictides as IR NLO crystals. LaSiP3 (Pna21)… read more here.

Keywords: nonlinear optical; crystals lasip3; infrared nonlinear; rare earth ... See more keywords
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Direct Formation of Hard‐Magnetic Tetrataenite in Bulk Alloy Castings

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202204315

Abstract: Currently, predominant high‐performance permanent magnets contain rare‐earth elements. In the search for rare‐earth‐free alternates, body‐centered tetragonal Fe–Ni is notable. The ordering to form this phase from the usual cubic close‐packed Fe‐Ni is understood to be… read more here.

Keywords: tetrataenite; direct formation; rare earth; formation hard ... See more keywords
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Wide‐Bandgap Rare‐Earth Iodate Single Crystals for Superior X‐Ray Detection and Imaging

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Published in 2023 at "Advanced Science"

DOI: 10.1002/advs.202206833

Abstract: Semiconductor‐based X‐ray detectors with low detectable thresholds become critical in medical radiography applications. However, their performance is generally limited by intrinsic defects or unresolved issues of materials, and developing a novel scintillation semiconductor for low‐dose… read more here.

Keywords: wide bandgap; detection; ray detection; rare earth ... See more keywords
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Halide Double Perovskite Nanocrystals Doped with Rare-Earth Ions for Multifunctional Applications.

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Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202207571

Abstract: Most lead-free halide double perovskite materials display low photoluminescence quantum yield (PLQY) due to the indirect bandgap or forbidden transition. Doping is an effective strategy to tailor the optical properties of materials. Herein, efficient blue-emitting… read more here.

Keywords: earth ions; cs2 naincl6; doped cs2; rare earth ... See more keywords
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Platinum‐Rare Earth Alloy Electrocatalysts for the Oxygen Reduction Reaction: A Brief Overview

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Published in 2022 at "Chemcatchem"

DOI: 10.1002/cctc.202200334

Abstract: The development of highly active and long‐term stable electrocatalysts for the cathode of proton‐exchange membrane fuel cells (PEMFC) is a paramount requirement for high performance and durable PEMFC stacks. In this regard, alloying Pt with… read more here.

Keywords: oxygen reduction; reduction reaction; rare earth; alloy electrocatalysts ... See more keywords
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Revealing the Nature of Bonding in Rare‐Earth Transition‐Metal Tellurides by Means of Methods Based on First Principles

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Published in 2017 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201700554

Abstract: Tellurium (Te)-rich rare-earth (R) transition-metal tellurides with low-dimensional Te networks provide alluring systems to explore the formations of Charge Density Waves (CDWs). The lack of knowledge concerning the bonding in Te-rich rare-earth transition-metal tellurides inspired… read more here.

Keywords: rare earth; earth transition; transition metal; metal tellurides ... See more keywords
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Azobis[tetrazolide]‐Carbonates of the Lanthanides – Breaking the Gadolinium Break

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Published in 2018 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201800218

Abstract: A series of rare earth element (REE) mixed-anion 5,5-azobis(1H-tetrazol-1-ide)-carbonate ([REE2(ZT)(2)CO3(H2O)(10)] 2H(2)O;REE = lanthanides plus yttrium) coordination compounds were synthesized, characterized, and analyzed. Syntheses by simple metathesis reactions under a CO2 atmosphere were carried out at… read more here.

Keywords: carbonates lanthanides; tetrazolide carbonates; rare earth; azobis tetrazolide ... See more keywords
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Distribution and source of rare earth elements in PM2.5 in Xiamen, China.

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Published in 2017 at "Environmental toxicology and chemistry"

DOI: 10.1002/etc.3902

Abstract: Particulate matter with diameter ≤2.5 µm (PM2.5 ) is a serious atmospheric pollutant. Composition and source analyses are essential for controlling PM2.5 . Rare earth elements (REEs) have received little attention as a component of PM2.5… read more here.

Keywords: pm2; earth elements; source; rare earth ... See more keywords
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Threats of Pollutants Derived from Electronic Waste to Marine Bivalves: The Case of the Rare‐Earth Element Yttrium

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Published in 2022 at "Environmental Toxicology and Chemistry"

DOI: 10.1002/etc.5508

Abstract: The production of electrical and electronic equipment waste (e‐waste) is increasing at an alarming rate worldwide. This may eventually lead to its accumulation in aquatic environments, mainly because of the presence of nonbiodegradable components. The… read more here.

Keywords: toxicology; waste; element yttrium; chemistry ... See more keywords