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A Transition from Localized to Strongly Correlated Electron Behavior and Mixed Valence Driven by Physical or Chemical Pressure in ACo2As2 (A = Eu and Ca).
We demonstrate that the action of physical pressure, chemical compression, or aliovalent substitution in ACo2As2 (A = Eu and Ca) has a general consequence of causing these antiferromagnetic materialsExpand
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  • Open Access
Magnetocaloric effect in AlFe2B2: toward magnetic refrigerants from earth-abundant elements.
AlFe2B2 was prepared by two alternative synthetic routes, arc melting and synthesis from Ga flux. In the layered crystal structure, infinite chains of B atoms are connected by Fe atoms intoExpand
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Determination of Hund's coupling in 5d oxides using resonant inelastic x-ray scattering
We report resonant inelastic X-ray scattering (RIXS) measurements on ordered double perovskite samples containing Re$^{5+}$ and Ir$^{5+}$ with $5d^2$ and $5d^4$ electronic configurationsExpand
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  • Open Access
Structural and magnetic behavior of the cubic oxyfluoride SrFeO 2 F studied by neutron diffraction
Abstract The oxyfluoride SrFeO 2 F has been prepared via a low temperature route involving the infinite-layer SrFeO 2 and XeF 2 . SrFeO 2 F crystallizes in the cubic space group Pm- 3 m withExpand
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Long-range magnetic order in the 5d(2) double perovskite Ba2CaOsO6: comparison with spin-disordered Ba2YReO6.
The B-site ordered double perovskite Ba2CaOsO6 was studied by dc magnetic susceptibility, powder neutron diffraction and muon spin relaxation methods. The lattice parameter is a = 8.3619(6) Å at 280Expand
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  • Open Access
Tuning Ferro- and Metamagnetic Transitions in Rare-Earth Cobalt Phosphides La1−xPrxCo2P2
A family of rare-earth cobalt phosphides La1−xPrxCo2P2 (0 ≤ x ≤ 1) that belong to the ThCr2Si2 structure type has been prepared and characterized by structural and magnetic methods and electronicExpand
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A Systematic Study of the Structural and Magnetic Properties of Mn-, Co-, and Ni-Doped Colloidal Magnetite Nanoparticles
A series of colloidal MxFe3–xO4 (M = Mn, Co, Ni; x = 0–1) nanoparticles with diameters ranging from 6.8 to 11.6 nm was synthesized by hydrothermal reaction in aqueous medium at low temperature (200Expand
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  • Open Access
Spin-glass behavior in LaFe(x)Co(2-x)P2 solid solutions: interplay between magnetic properties and crystal and electronic structures.
To explore the evolution of magnetic properties from ferromagnetic LaCo(2)P(2) to paramagnetic LaFe(2)P(2) (both of ThCr(2)Si(2) structure type) a series of mixed composition LaFe(x)Co(2-x)P(2) (x ≤Expand
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Diffuse magnetic neutron scattering in the highly frustrated double perovskite Ba 2 YRuO 6
Here we investigated diffuse magnetic scattering in the highly frustrated double perovskite Ba2YRuO6 using polarized neutrons. Consistent with previous reports, the material shows two apparentExpand
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  • Open Access