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Optical and mechanical properties characterizations of transparent polycrystalline MgAl2O4 spinel
Journal of Asian Ceramic Societies, 2023 The microstructure and mechanical properties of polycrystalline spinel ceramics (MgAl2O4) with high translucency were investigated. Several kinds of polycrystalline spinel ceramics were prepared under various sintering conditions, and single-crystal ...
Sawao Honda +5 more
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Synthesis, densification, and cation inversion in high entropy (Co,Cu,Mg,Ni,Zn)Al2O4 spinel
Journal of Asian Ceramic Societies, 2023 The synthesis, densification behavior, and crystallographic site occupancy were investigated for four different spinel-based ceramics, including a high-entropy spinel (Co0.2Cu0.2Mg0.2Ni0.2 Zn0.2)Al2O4. Each composition was reacted to form a single phase,
Cole A. Corlett +4 more
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In-situ analysis of the Al-Fe-Mn-Cu oxide oxygen carrier for chemical looping applications
Chemical Engineering Journal Advances, 2022 A novel Al-Fe-Mn-Cu oxide oxygen carrier, termed Gen3, was developed by NETL and prepared using natural ore and pigment grade materials. Gen3 was subjected to 10 cycles of reduction-oxidation (redox) through confocal laser scanning microscopy (CLSM) and ...
Kristin Tippey +4 more
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MAGNETITE-ILMENITE-SPINEL INTERGROWTHS IN AMPHIBOLE GABBRO OF THE SEREBRYANSKY KAMEN INTRUSION, CENTRAL URALS [PDF]
Минералогия, 2022 Ontogenic analysis of magnetite-ilmenite-spinel intergrowths of ore-bearing amphibole gabbro of the Serebryansky Kamen intrusion (Central Urals) and their relationships with rock-forming silicates, apatite and Cu sulfides allowed us to reveal a number of
A.V. Kozlov +4 more
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Journal of Materials Research and Technology, 2023 The tuning of the properties of MgAl2O4-based materials has aroused great attention in the field of engineering technology. Along these lines, magnesia and alumina were used as raw materials to prepare spinel by the solid-phase sintering method at 1500 ...
Songtong Xuan +4 more
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Фізика і хімія твердого тіла, 2021 Multicomponent spinel films were deposited on Ag/Si substrates by magnetron sputtering. Two substrate temperatures were used. XRD diffraction measurements show that the layers are composed of three metals oxides (Mn2O3, NiO, CoO).
P. Sagan +3 more
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Non-isothermal reduction kinetics and mechanisms by hydrogen of CuAl spinel solid solution
Catalysis Communications, 2023 The non-isothermal reduction kinetics by hydrogen of CuAl spinel solid solution was investigated using H2 temperature-programmed reduction at different heating rates methodology.
Ya-Jie Liu +7 more
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Synthesis, structural, W-H plot and size-strain analysis of nano cobalt doped MgFe2O4 ferrite [PDF]
Science of Sintering, 2020 In this study we have investigated structural attribute of Co+2 doped MgFe2O4. Synthesis of Mg1-xCoxFe2O4 ferrite was carried out using co-precipitation method. The formation of spinal ferrite was confirmed through X-ray diffraction.
Vishwaroop Rakesh, Mathad Shridhar N.
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Frontiers in Energy Research, 2022 Cathode materials that exhibit phase transitions with large structural rearrangements during electrochemical cycling are generally seen as disadvantageous.
Olof Gustafsson +2 more
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Post-spinel transformations and equation of state in ZnGa2O4: Determination at high-pressure by in situ x-ray diffraction [PDF]
, 2009 Room temperature angle-dispersive x-ray diffraction measurements on spinel ZnGa2O4 up to 56 GPa show evidence of two structural phase transformations.
D. Errandonea +8 more
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