Zobrazeno 1 - 10
of 112
pro vyhledávání: '"F. Sánchez-Quesada"'
Publikováno v:
Physica C: Superconductivity. 483:195-200
We have analyzed a resonant behavior in the dielectric constant associated to the barrier of YBa2Cu3O7 (YBCO) grain boundary Josephson junctions (GBJJs) fabricated on a wide variety of bicrystalline substrates: 12° [0 0 1] tilt asymmetric, 24° [0 0
Publikováno v:
IEEE Transactions on Applied Superconductivity. 19:2863-2866
In general, information about the structure of the barrier in YBa2Cu3O7(YBCO) grain boundaries Josephson junctions (GBJJs) has been mainly derived by means of destructive techniques. In this line, any structural data directly derived from the analysi
Autor:
M.A. Navacerrada, Luis L. Sánchez-Soto, Ciro Nappi, M. L. Lucía, F. Sánchez-Quesada, Ettore Sarnelli
Publikováno v:
IEEE Transactions on Applied Superconductivity. 17:3541-3544
We have studied the frequency dependence of the dielectric constant of YBa2Cu3O7 Josephson junctions fabricated on bicrystalline substrates with different angles tilted around alpha and c axis. The ratio of the dielectric constant to the thickness of
Autor:
Luis L. Sánchez-Soto, F. Sánchez-Quesada, Ettore Sarnelli, M. L. Lucía, M.A. Navacerrada, G. Testa
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 15:169-172
We present a comparative study of the electromagnetic parameters, mainly focused in the analysis of the capacitance (C) associated to the barrier, of YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) grain boundary Josephson junctions (GBJJs) fabricated on 24/spl
Publikováno v:
Physica C: Superconductivity. :83-86
Among the different models proposed to describe YBa 2 Cu 3 O 7− x (YBCO) grain boundary Josephson junctions (GBJJs), the filamentary model is consistent with a wide set of experimental results. However, because of the large magnetic penetration dep
Publikováno v:
Physica C: Superconductivity. :95-98
Alterations in the oxygen stoichiometry are known to affect the structure, electronic behavior and transition temperature ( T C ) of YBa 2 Cu 3 O 7− x (YBCO). At this stage it is interesting to explore the implications on superconducting quantum in
Publikováno v:
Europhysics Letters (EPL). 54:387-393
In order to bring new data about the physics of the microscopic YBa2Cu3O7 − x (YBCO) grain boundary mechanism, we have used two different ways to induce modifications in the oxygen sublattice of grain boundary Josephson junctions (GBJs): annealings
Publikováno v:
Superconductor Science and Technology. 14:72-77
We have studied the effects of irradiation with He+ at 80 keV on the properties of YBa2Cu3O7-x (YBCO) grain boundary Josephson junctions (GBJs) and superconducting quantum interference devices (SQUIDs) made on bicrystalline substrates. He+ irradiatio
Autor:
Diego Arias, Jesus Santamaria, F. Sánchez-Quesada, M. L. Lucía, M.A. Navacerrada, C. Leon, Zouhair Sefrioui, M. A. López de la Torre, G. D. Loos, Maria Varela
Publikováno v:
Physical Review Letters. 83:3936-3939
The structure of high quality [YBCO_(N)/PBCO_(M)]_(1000 A) superlattices, with N ranging between 1 and 12 unit cells and M = 5 unit cells, grown by high oxygen pressure sputtering, is analyzed. Intracell atomic structure of the layers along the c axi
Publikováno v:
ResearcherID
E-Prints Complutense. Archivo Institucional de la UCM
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
We present complex admittance measurements on single-crystal yttria-stabilized zirconia and polycrystalline Li_(0.5)La_(0.5)TiO_(3) over the frequency range 5 Hz to 30 MHz and at temperatures ranging between 150 and 650 K. Electric-field relaxation i