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Mar 11, 2021 Molybdenum doped strontium ferrite, Sr 2 Fe 1.5 O 0.5 O 6 (SFM), is a promising perovskite-type hydrogen electrode material in solid oxide cells (SOCs), but usually suffers from insufficient electro-catalytic activity. Herein, Ni nanoparticles with high electro-catalytic properties have been infiltrated into SFM scaffold to form Ni-SFM electrode with high electro-catalytic activity for power ...
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Feb 15, 2020 A Pr-doping strategy was used to improve traditional strontium-doped lanthanum ferrite oxides for proton-conducting solid oxide fuel cells (SOFCs). Three different samples, La 0.5 Sr 0.5 FeO 3- δ , La 0.25 Pr 0.25 Sr 0.5 FeO 3- δ , and Pr 0.5 Sr 0.5 FeO 3- δ ,were successfully prepared.
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Jun 25, 2020 Chemical looping dry reforming of methane is an attractive approach to use carbon dioxide and methane, the two most abundant greenhouse gases. For this scheme, the redox material (or oxygen carrier) plays a key role. It is of great significance to improve the redox performance of strontium ferrite (SrFeO3−δ, SFO), a low-cost and easily tunable perovskite-typed oxygen carrier. …
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Barium ferrite (BaFe 12 O 19 ) (BF) with a non-circular plate-like structure and the perpendicular magnetic moment has attracted considerable interest as a high-performance permanent magnet ...
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The recording performance of a new prototype magnetic tape based on perpendicularly oriented strontium ferrite particles is investigated using a 29 nm wide tunneling magnetoresistive reader.
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May 08, 2018 It is revealed that the incorporation of strontium titanate transforms the ferroelectric micro-domains of bismuth ferrite into highly-dynamic polar nano-regions, resulting in a ferroelectric to ...
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100 g. $44.00. Add to Cart. Product data and descriptions listed are typical values, not intended to be used as specification. Identifying Information. Einecs Number. 234-685-4. HMIS. 1-0-0-X.
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A low operating temperature is one of the concerns in commercialising solid oxide fuel cells (SOFCs) as a portable power source. The aim of this research is to develop a new cathode material, barium strontium cobalt ferrite–samarium doped ceria (BSCF-SDC) added with argentum (Ag) for low-temperature SOFCs (LT-SOFCs). The composite powder was prepared through high-energy ball milling at 550 ...
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Mar 06, 2015 Effect of Ce Doping on the Performance and Stability of Strontium Cobalt Ferrite Perovskites as SOFC Anode Catalysts. Hyunkyu Choi 1, Anshuman Fuller 1, Doruk Dogu 1, Katja E. Binkley 1, Jonathan Davis 1, Anne Co 2 & Umit S. Ozkan 1 Topics in Catalysis volume 58, pages 359–374 (2015)Cite this article
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Aug 20, 2021 Additionally, given that competent ferrite magnets can be sintered at 1200-1250 C by the incorporation of secondary phases, our procedure allows reaching similar performance at 8-12% lower temperatures which means an energy efficiency of at least 25%. Download : Download high-res image (479KB) Download : Download full-size image; Fig. 6.
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For strontium ferrite, the proper amount of doping can also improve its magnetic and physical properties, but it is of great significance for the determination of the doping amount and doping method. How the magnetic properties of permanent ferrites through ion substitution can be improved has become an important way to accelerate the ...
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Ferrite magnets are more commonly referred to as ceramic magnets. They are mostly composed of strontium and Iron oxide (SrO . 6Fe2O3) and offer solid performance with their low cost, higher coercive force than alnico and low recoil permeability. They are widely used for loudspeakers, small motors, generators, and rotors.
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The iron oxide is mixed with strontium oxide or carbonate. The mixture is calcined to form strontium ferrite. The calcined product is pulverized, the crushed material is molded in a magnetic field, and the molded product is sintered to yield a magnet of strontium ferrite having a high level of performance.
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Apr 12, 2019 Reduced Graphene Oxide Functionalized Strontium Ferrite in Poly(3,4-ethylenedioxythiophene) Conducting Network: A High-Performance EMI Shielding Material. Jasvir Dalal, Department of Physics, Maharshi Dayanand University, Rohtak, 124001 India. …
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The Strontium Ferrite magnets are the most commonly manufactured due to having stronger magnetic properties. The Ferrite magnets (Ceramic magnets) have a characteristic “pencil lead” colour (i.e. a dark grey colour). They are ferrimagnetic in magnetic performance (good magnetic field and power but, size for size, not as powerful as NdFeB or ...
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Sep 28, 2020 Hwang, T.-Y. et al. Synthesis and magnetic properties of La 3+ –Co 2+ substituted strontium ferrite particles using modified spray pyrolysis–calcination method. Ceram. Int. 43 …
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