Influence of alkaline earth metal substitution on the crystal structure and physical properties of magnetic RuSr1.9A0.1GdCu2O8 (A=Ca, Sr, and Ba) superconductors

Article Abstract:

The effects of alkaline earth metal substitution on the crystal structure and physical properties of magnetic super conductors RuSr1.9A0.1GdCu2O8 (A=Ca, Sr, and Ba) to examine the interaction between the magnetic coupling of the RuO2 layer and the superconductivity of the CuO2 layer was investigated. The results revealed that the internal magnetic field of the RuO2 layer has insignificant influence of the superconducting property of the CuO2 layer in the ruthenocuprate.

Crystals, Crystal structure, Superconductors, Structure, Alkaline earth metal compounds

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Evolution of the crystal and electronic structures of magnetic RuSr(sub 2-x) La(sub x)GdCu2O8 superconductors upon La substitution

Article Abstract:

The effects of La substitution on the chemical bonding nature and physical properties of magnetic RuSr(sub 2-x)La(sub x)GdCu2O8 superconductors are investigated. As per electrical resistance and dc magnetization measurements, the La substitution reduces superconducting transition temperature (Tc) to an increase of magnetic ordering temperature with depressed remanent magnetization.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Ruthenium, Electric properties, Magnetic properties, Electrical resistance, Electric resistance, Magnetization

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Incorporation of an ionic conducting alkali-metal halide into a two-dimensional copper oxide lattice through a novel stepwise intercalation route

Article Abstract:

A new lithium iodide intercalation complex, Li(sub 0.3)I(sub 1.0)Bi(sub 2)Sr(sub 1.4)La(sub 0.1)Ca(sub 1.5)Cu(sub 2)O(sub y) is synthesized by applying a novel stepwise intercalation technique. X-ray diffraction analysis investigates that lithium iodide species are stabilized between Bi2O2 double layers, leading to an increase of basal spacing of ~3.4 angstorm per host layer.

Copper oxide, Copper oxides, Alkali metal compounds, Lithium alloys

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