Year-end Sale % OFF 
Abstract
The work reported in this paper aims at a better understanding of the magnetic doping effects on the structural and electrical properties for a series of YBa2(Cu1-xCox)3O7-δ ceramics. The Co doped YBa2Cu3O7-δ are (YBCO) prepared by conventional solid state reaction method and characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM), differential thermal analysis (DTA) and resistivity measurements. The crystal lattice parameters are found to change due to the cobalt doping and tendency to a structure phase transition from orthorhombic to tetragonal, which is confirmed by the decrease of the degree of orthorhombicity. The morphology examination with SEM revealed gradual increases of grain size with x = 0.02 Co, a high porosity is observed in the doped samples compared to the pure one. The decomposition temperature of YBCO is pushed from temperatures above 975°C to lower temperatures of 945°C. The resistivity measurements of doped samples with x = 0.04 and 0.06; shows a deviation in from T-linear behavior due to the opening of a pseudogap.
Highlights
High-Tc superconductors (SC) cuprates remain one of the most intriguing and not completely understood systems, the researchers focused on the experimental side wondering to identify new phenomena in this type of material
The work reported in this paper aims at a better understanding of the magnetic doping effects on the structural and electrical properties for a series of YBa2(Cu1−xCox)3O7−δ ceramics
The peak intensities for YBa2Cu3O7−δ are (YBCO) structure are affected by Co doping, where the intensities of the planes are larger for the pure sample as compared with the doped samples, but as the content of Cobalt is further increased from x= 2% to 6% the intensities of (00l) peaks began to increase together
Summary
High-Tc superconductors (SC) cuprates remain one of the most intriguing and not completely understood systems, the researchers focused on the experimental side wondering to identify new phenomena in this type of material. The partial substitution in the parent YBCO structure has been investigated intensively in an attempt to clarify or improve the superconducting behavior of this type of superconductors [2] [3] [4] [5] [6]. The Cu atoms in YBCO are located at two different sites in the unit cell. The CuO2 plane is sometimes referred to as the superconducting plane: Any modification in this plane strongly influences the electronic structure and the density and mobility of the charge carriers. YBa2(Cu1−xCox)3O7−δ has been widely investigated as a normal layer in superconductor-normal-superconductor (SNS) Josephson junctions [11]
Sign-in/Register to view highlights & summary 
Published Version (
Free)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
