Spinel cobalt (II) ferrite-chromites as catalysts for H2O2 decomposition: Synthesis, morphology, cation distribution and antistructure model of active centers formation

T Tatarchuk, A Shyichuk, I Trawczyńska, I Yaremiy… - Ceramics …, 2020 - Elsevier
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 …

Metal–Oxygen Hybridization Determined Activity in Spinel-Based Oxygen Evolution Catalysts: A Case Study of ZnFe2–xCrxO4

H Li, S Sun, S **, Y Chen, T Wang, Y Du… - Chemistry of …, 2018 - ACS Publications
A good understanding of the correlation between electronic properties and catalytic
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

F Hcini, S Hcini, B Alzahrani, S Zemni, ML Bouazizi - Applied Physics A, 2020 - Springer
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 …

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 …

Study of structural, vibrational, elastic and magnetic properties of uniaxial anisotropic Ni-Zn nanoferrites in the context of cation distribution and magnetocrystalline …

C Srinivas, M Deepty, SAV Prasad, G Prasad… - Journal of Alloys and …, 2021 - Elsevier
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 …

Effects of sintering temperature on structural, infrared, magnetic and electrical properties of Cd0.5Zn0.5FeCrO4 ferrites prepared by sol–gel route

F Hcini, S Hcini, B Alzahrani, S Zemni… - Journal of Materials …, 2020 - Springer
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 …

Hybrid Metal/Spinel Oxide Coating with Microcone Arrays to Stimulate a Photothermal‐Augmented Oxygen Evolution Reaction

Y Chen, J Xu, Y Chen, ZH **e, P Munroe - Small, 2023 - Wiley Online Library
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) …

Evidence of superparamagnetism in nano phased copper doped nickel zinc ferrites synthesized by hydrothermal method

VLS Vatsalya, GS Sundari, CSLN Sridhar, CS Lakshmi - Optik, 2021 - Elsevier
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 …

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 …

Synthesis, Structural and Magnetic Characterization of Superparamagnetic Ni0.3Zn0.7Cr2−xFexO4 Oxides Obtained by Sol-Gel Method

A Mallah, F Al-Thuwayb, M Khitouni, A Alsawi, JJ Suñol… - Crystals, 2023 - mdpi.com
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 …