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Unveiling the impact of residual Li conversion and cation ordering on electrochemical performance of Co-free Ni-rich cathodes
The residual Li and Li + /Ni 2+ cation mixing play essential roles in the electrochemical properties of Ni-rich cathodes. However, a general...
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Atomic resolution imaging of cation ordering in niobium–tungsten complex oxides
Energy dispersive X-ray emission imaging at atomic resolution is a powerful tool to solve order–disorder problems in complex metal oxide crystals,...
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Oxygen pressure annealing enhances the B-site ordering degree of double perovskite La2CoMnO6 ceramics
The ordering and arrangement of atoms in double perovskite structures play a crucial role in determining their electrical and magnetic properties. In...
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Prediction of structure and cation ordering in an ordered normal-inverse double spinel
Spinels represent an important class of technologically relevant materials, used in diverse applications ranging from dielectrics, sensors and energy...
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Correlating tailored saturation magnetization of normal-inverse spinels with noncollinear magnetic ordering
Nanoparticles of NiFe 2 O 4 (NF) and Ni 0.5 Zn 0.5 Fe 2 O 4 (NZF) were synthesized via the citrate precursor method. Analysis of X-ray diffraction (XRD) data...
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Dynamic molecular ordering in multiphasic nanoconfined ionic liquids detected with time-resolved diffusion NMR
Molecular motion in nanosized channels can be highly complicated. For example, water molecules in ultranarrow hydrophobic nanopores move rapidly and...
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Structural, cation distribution, Raman spectroscopy, and magnetic features of Co-doped Cu–Eu nanocrystalline spinel ferrites
Nanocrystalline spinel ferrites with the general chemical formula Cu 1− x Co x Eu 0.1 Fe 1.9 O 4 with x = 0, 0.25, 0.50, 0.75, and 1.0 were synthesized using...
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Enhanced photocatalytic activity and ferromagnetic ordering in hydrogenated Zn1−xCoxO
Impacts of hydrogen annealing on crystallographic characterization, electronic structure, and optical, photocatalytic, and magnetic properties of...
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Synthesis of Nanostructured Ferrites and Cation Distribution Studies by X-ray Magnetic Circular Dichroism, Mössbauer Spectroscopy, and X-ray Absorption Spectroscopy
We present an extensive review of different techniques, such as x-ray magnetic circular dichroism, Mössbauer spectroscopy, and x-ray absorption...
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Inhibiting collective cation migration in Li-rich cathode materials as a strategy to mitigate voltage hysteresis
Lithium-rich cathodes are promising energy storage materials due to their high energy densities. However, voltage hysteresis, which is generally...
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Simulation and characterization of cation disorder in \(\hbox {ZnGeP}_{2}\)
New optoelectronic materials are needed for improving the efficiency and reliability of devices such as solar cells. Cation ordering presents one...
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Crystal Structure and Orbital Ordering in BiMnO3 + δ (0 < δ ≤ 0.14) Ceramics
The crystal structure of BiMnO 3 + δ is studied as a function of the nominal oxygen content using X-ray synchrotron diffraction. It is found that an...
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Anion Reorientations and Cation Diffusion in Nanostructured Closo-Borates: NMR and Quasielastic Neutron Scattering Studies
AbstractThe dynamical properties of sodium closo-borate NaCB 11 H 12 embedded into SiO 2 -based nanoporous scaffolds have been studied by nuclear...
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Evolution of crystal structure and redox activity of LnBaMn2O6−δ upon various external conditions: in-situ characterization
Cation ordering/disordering features in perovskite-like oxides LnBaMn 2 O 6−δ where Ln = Pr, Nd, Sm were studied by means of a combination of...
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Pushing the limit of 3d transition metal-based layered oxides that use both cation and anion redox for energy storage
Intercalation chemistry has dominated electrochemical energy storage for decades, and storage capacity worldwide has now reached the terawatt-hour...
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Interplay Between Electronic States and Structural Stability in Cation-Deficient VCoSb, NbCoSb, and TaCoSb Half-Heuslers
The effects of the vacancy concentration at the cation site of three half-Heuslers, VCoSb, NbCoSb, and TaCoSb, were studied with a combination of two...
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Eu3+ ions doped Cu1−xCoxEu0.025Fe1.975O4 spinel ferrite nanocrystals: insights on structural, cation distribution, magnetic properties, and switching field distribution
In the present investigation, the sol–gel auto-combustion process was used to synthesize spinel ferrite nanoparticles Cu 1−x Co x Eu 0.025 Fe 1.975 O 4 with x ...
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Intermediate-phase engineering via dimethylammonium cation additive for stable perovskite solar cells
Achieving the long-term stability of perovskite solar cells is arguably the most important challenge required to enable widespread commercialization....
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Investigation of cation distribution, elastic and magnetic properties of Li0.3-0.5xCuxZn0.4Fe2.3-0.5xO4 ferrites
Spinel ferrites Li 0.3-0.5 x Cu x Zn 0.4 Fe 2.3-0.5 x O 4 ( x = 0.0, 0.2, 0.4, 0.6) have been prepared by the sol-gel auto-combustion method. All of the samples...
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Ordering-induced domains in sub-micron-sized Ba(Zn1/3Ta2/3)O3–BaZrO3 microwave ceramics
The miniaturization of microwave and/or radio frequency devices and equipment has been driving the development of dielectric ceramics in wireless...
