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Anomalous ferromagnetic behaviour of Y2O3 and CuO nanoparticles in YBa2Cu3Oy superconductor 

Basoglu, M.; Öztürk, K.; Çelik, Ş.; Grovenor, M.; Yanmaz, E. (Institute of Physics Publishing, 2009)
Anomalous ferromagnetic behaviour of the Y2O3 and CuO components in YBa2Cu3Oy (Y123) was observed after severe reduction of particle size. The particle size reduction was performed in following way: Y2O3, BaCO3 and CuO ...

Investigation of effect of x in Yb1-xGdxBa 2Cu3O7-y superconducting structures on upper critical magnetic field and coherence length 

Çelik, S.; Öztürk, K.; Yanmaz, E. (Institute of Physics Publishing, 2009)
The resistivity measurements of the Yb1-xGdxBa 2Cu3O7-y superconducting samples prepared by using the solid-state reaction technique for x=0.0, 0.2, 0.4, 0.6, 0.8 and 1.0 were performed in QD-PPMS system under different ...

Dependency of c-lattice parameter, activation energy and its magnetic power constant on x in Y1-xYbx/2Gdx/2Ba2Cu3O7-y superconductors 

Çelik, S.; Öztürk, K.; Yanmaz, E. (0-Belirlenecek, 2008)
To investigate the effect of x on c-lattice parameter, the activation energy, and the magnetic power constant of activation energy, the nominal composition of Y1-xYbx/2Gdx/2Ba2Cu3O7-y superconducting samples for x = 0.0, ...

Investigation of the dependency of the upper critical magnetic field on the content x in Y1-xYbx/2Gdx/2Ba2Cu3O7-y superconducting structures 

Çelik, S.; Öztürk, K.; Çevik, U.; Yanmaz, E. (0-Belirlenecek, 2008)
The Y1-xYbx/2Gdx/2Ba2Cu3O7-y superconducting samples for x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0 were prepared by using the solid-state reaction technique. Resistivity measurements of the samples were performed in QD-PPMS ...

Gadolinium diffusion-doping for enhancing activation energy in superconducting YBa2Cu3O7-x 

Öztürk, K.; Çelik, S.; Yanmaz, E. (0-Belirlenecek, 2008)
The resistance transitions of Gd-diffused polycrystalline Y123 samples have been measured as a function of temperature and magnetic field. It is deduced from experimental results that the activation energy increases when ...

Effects of x in Yb1-xGdxBa2Cu3O7-y samples on c-lattice parameter, activation energy and its magnetic power constant 

Çelik, S.; Öztürk, K.; Yanmaz, E. (0-Belirlenecek, 2008)
The Yb1-xGdxBa2Cu3O7-y superconducting samples (x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0) which were prepared by solid-state reaction technique were studied to investigate the effect of x on c-lattice parameter, the activation ...

Investigation of some superconducting properties of ytterbium diffusion-doped YBa2Cu3O7-x superconductors 

Öztürk, K.; Çelik, S.; Çevik, U.; Yanmaz, E. (0-Belirlenecek, 2008)
The effect of Yb diffusion on structural evolution and superconducting properties of YBa2Cu307-x (Y123) prepared in the bulk polycrystalline form were studied. The ytterbium (Yb) diffusion in superconducting Y123 ceramic ...

Semiempirical equation of the levitation-force density for (Sm123) 1-x(Yb211) x superconducting samples 

Çelik, S.; Öztürk, K. (0-Belirlenecek, 2009)
After the preparation of Sm123 and Yb211 by melt-powder-melt growth and solid-state-reaction, respectively, the nominal compositions of (Sm123) 1-x(Yb211) x for x = 0.00, 0.05, 0.10, 0.15, 0.20 and 0.25 were prepared to ...

Activation energy U(H) and pinning behavior of Yb-impurity-diffused YBa 2Cu 3O 7-x 

Öztürk, K.; Çelik, Ş.; Yanmaz, E.; Savaşkan, B. (0-Belirlenecek, 2007)
Superconducting Y123 samples were prepared by the solid-state reaction (SSR) method. To get a layer of Yb (thickness ?4 ?m) on the surface of one side of the sample an ultrahigh-vacuum electron-beam deposition system was ...



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Öztürk, K. (9)
Yanmaz, E. (8)Çelik, S. (7)Çelik, Ş. (2)Çevik, U. (2)Basoglu, M. (1)Grovenor, M. (1)Savaşkan, B. (1)SubjectActivation energy (4)RE123 (3)Resistivity (3)Y123 (2)(Y, Yb, Gd)123 (1)(Y,Yb,Gd)123 (1)(Yb,Gd)123 (1)Coherence length (1)Critical current density (1)Gd-diffusion (1)... View MoreDate Issued2008 (5)2009 (3)2007 (1)Has File(s)
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