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Spinel cobalt (II) ferrite-chromites as catalysts for H2O2 decomposition: Synthesis, morphology, cation distribution and antistructure model of active centers formation
Cobalt (II) ferrite-chromites CoCr 2-x Fe x O 4 (x= 0.0÷ 2.0, step is 0.2) with spinel structure
have been synthesized using sol-gel method with citrate metal-polymer precursor. The …
have been synthesized using sol-gel method with citrate metal-polymer precursor. The …
Metal–Oxygen Hybridization Determined Activity in Spinel-Based Oxygen Evolution Catalysts: A Case Study of ZnFe2–xCrxO4
A good understanding of the correlation between electronic properties and catalytic
performance is vital to the rational design of active oxygen evolution reaction (OER) …
performance is vital to the rational design of active oxygen evolution reaction (OER) …
Effect of Cr substitution on structural, magnetic and impedance spectroscopic properties of Cd0.5Zn0.5Fe2−xCrxO4 ferrites
Abstract Cr-substituted Cd–Zn spinel ferrites of different compositions (Cd 0.5 Zn 0.5 Fe 2− x
Cr x O 4) were prepared using solgel method for x= 0 and 0.5. The XRD analysis and …
Cr x O 4) were prepared using solgel method for x= 0 and 0.5. The XRD analysis and …
Study on mechanical alloying behavior and thermal stability of HfMoNbTaTi refractory high-entropy alloy
L Zhan, J Hou, G Wang, Y Chen, S Luo, Q Kang… - Materials …, 2023 - Elsevier
The present study prepared HfMoNbTaTi refractory high-entropy alloy powders with uniform
distribution of components by mechanical alloying (MA). Six scenarios were designed to …
distribution of components by mechanical alloying (MA). Six scenarios were designed to …
Study of structural, vibrational, elastic and magnetic properties of uniaxial anisotropic Ni-Zn nanoferrites in the context of cation distribution and magnetocrystalline …
Co-precipitation method was adopted to obtain zinc ferrite nanoparticles substituted with
nickel (0.5≤ x≤ 0.7) followed by sintering at 500° C for 2 h. The formation of spinel ferrite …
nickel (0.5≤ x≤ 0.7) followed by sintering at 500° C for 2 h. The formation of spinel ferrite …
Effects of sintering temperature on structural, infrared, magnetic and electrical properties of Cd0.5Zn0.5FeCrO4 ferrites prepared by sol–gel route
In this work, an attempt is made to study the effects of sintering temperature on the structural,
infrared, magnetic and electrical properties of Cd 0.5 Zn 0.5 FeCrO 4 ferrites. Samples were …
infrared, magnetic and electrical properties of Cd 0.5 Zn 0.5 FeCrO 4 ferrites. Samples were …
Hybrid Metal/Spinel Oxide Coating with Microcone Arrays to Stimulate a Photothermal‐Augmented Oxygen Evolution Reaction
To boost the kinetic process of the oxygen evolution reaction (OER), hybrid CoNiFe/Fe (Fe,
Mo, Al) 2O4 coatings are deposited on pure Ti substrates (namely, CoNiFe/Fe (Fe, Mo, Al) …
Mo, Al) 2O4 coatings are deposited on pure Ti substrates (namely, CoNiFe/Fe (Fe, Mo, Al) …
Evidence of superparamagnetism in nano phased copper doped nickel zinc ferrites synthesized by hydrothermal method
Abstract Nanophased Ni 0.65 Zn 0.35 Cu x Fe (2–2x/3) O 4, ferrites with lower dopant
concentrations ie, for x ranging from 0 to 0.05 in steps of 0.01 have been synthesized using …
concentrations ie, for x ranging from 0 to 0.05 in steps of 0.01 have been synthesized using …
Effect of Ti/Ta ratio on the microstructure and mechanical properties of Hf20Mo15Nb25Ta20-xTi20+ x refractory high-entropy alloys
L Zhan, J Hou, T Wu, M Zhang, J Wu, G Wang… - Journal of Alloys and …, 2025 - Elsevier
The limited deformation capacity at room temperature remains a significant challenge in
refractory high-entropy alloys (RHEAs). In this study, the fine-grained Hf 20 Mo 15 Nb 25 Ta …
refractory high-entropy alloys (RHEAs). In this study, the fine-grained Hf 20 Mo 15 Nb 25 Ta …
Synthesis, Structural and Magnetic Characterization of Superparamagnetic Ni0.3Zn0.7Cr2−xFexO4 Oxides Obtained by Sol-Gel Method
The sol-gel process was used to produce ferrite Ni0. 3Zn0. 7Cr2− xFexO4 compounds with
x= 0, 0.4, and 1.6, which were then subsequently calcined at several temperatures up to …
x= 0, 0.4, and 1.6, which were then subsequently calcined at several temperatures up to …