Correlation Between Enhanced <formula formulatype="inline"> <tex Notation="TeX">${\rm T}_{\rm c}$</tex></formula>, Orthorhombicity and the Volume of the Unit Cell in Argon Preheated <formulaâ€¦ M. Braigue, Ahmed Nafidi, +12 authors E. AkhouairyIEEE Transactions on Applied Superconductivity2009We report here on the preparation, X-ray diffraction with Rietveld refinement, AC susceptibility measurements and effect of heat treatments inâ€¦ (More)