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Superconducting and normal state properties of YBa[sub 2](Cu[sub 1[minus]x]Cr[sub x])[sub 3]O[sub 7[minus][delta]] (x = 0. 01)

Abd-Shukor, R.

Applied Physics Communications; (United States), 1993-01, Vol.12:3-4

United States

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Título:
Superconducting and normal state properties of YBa[sub 2](Cu[sub 1[minus]x]Cr[sub x])[sub 3]O[sub 7[minus][delta]] (x = 0. 01)
Autor: Abd-Shukor, R.
Assuntos: 360204 -- Ceramics, Cermets, & Refractories-- Physical Properties ; 360207 -- Ceramics, Cermets, & Refractories-- Superconducting Properties-- (1992-) ; ALKALINE EARTH METAL COMPOUNDS ; BARIUM COMPOUNDS ; CHALCOGENIDES ; CHROMIUM COMPOUNDS ; COHERENT SCATTERING ; COPPER COMPOUNDS ; DIFFRACTION ; ELECTRON MICROSCOPY ; MATERIALS ; MATERIALS SCIENCE ; MICROSCOPY ; OXIDES ; OXYGEN COMPOUNDS ; PHYSICAL PROPERTIES ; SCANNING ELECTRON MICROSCOPY ; SCATTERING ; SEMICONDUCTOR MATERIALS ; SUPERCONDUCTORS ; TRANSITION ELEMENT COMPOUNDS 360201 -- Ceramics, Cermets, & Refractories-- Preparation & Fabrication ; X-RAY DIFFRACTION ; YTTRIUM COMPOUNDS
É parte de: Applied Physics Communications; (United States), 1993-01, Vol.12:3-4
Notas: None
Descrição: The effect of Cr substitution in the YBa[sub 2](Cu[sub 1[minus]x]Cr[sub x])[sub 3]O[sub 7[minus][delta]] (x = 0.01) system has been investigated. The resistance-temperature curves showed metallic behavior for samples with x [le] 0.02 and semiconductor-like behavior for x [ge] 0.03. The resistance-temperature curves also showed very little change in the onset temperature (T[sub c] onset [approximately] 93 K) for all samples but a pronounced broadening of the superconducting-transition-width with increasing Cr content. The superconducting and normal state properties are discussed using the electrical resistivity, X-ray diffraction, Energy Dispersive X-Ray Analysis (EDAX), and Scanning Electron Microscope (SEM) observations. 16 refs., 5 figs., 1 tab.
Editor: United States
Idioma: Inglês

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Superconducting and normal state properties of YBa[sub 2](Cu[sub 1[minus]x]Cr[sub x])[sub 3]O[sub 7[minus][delta]] (x = 0. 01)

Abd-Shukor, R.

United States

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