Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Tarte, E J"'
Autor:
Mennema, S. H., Ransley, J. H. T., Burnell, G., MacManus-Driscoll, J. L., Tarte, E. J., Blamire, M. G.
By lithographically fabricating an optimised Wheatstone bridge geometry, we have been able to make accurate measurements of the resistance of grain boundaries in Y1-xCaxBa2Cu3O7-d between the superconducting transition temperature, Tc, and room tempe
Externí odkaz:
http://arxiv.org/abs/cond-mat/0409004
Autor:
Ransley, J. H. T., Mennema, S. H., Sandeman, K. G., Burnell, G., Kye, J. I., Oh, B., Tarte, E. J., Evetts, J. E., Blamire, M. G.
Publikováno v:
Applied Physics Letters, 84, 4089 (2004).
Using an optimized bridge geometry we have been able to make accurate measurements of the properties of YBa2Cu3O7-delta grain boundaries above Tc. The results show a strong dependence of the change of resistance with temperature on grain boundary ang
Externí odkaz:
http://arxiv.org/abs/cond-mat/0311386
Autor:
Testa, G., Monaco, A., Esposito, E., Sarnelli, E., Kang, D. -J., Tarte, E. J., Mennema, S. H., Blamire, M. G.
We have observed, for the first time, a temperature dependent 0-pi junction crossover in a 45 symmetric [001] tilt grain boundary junction. Experimental data, obtained by a double phase-sensitive test based on a low inductance dc SQUID, show an anoma
Externí odkaz:
http://arxiv.org/abs/cond-mat/0310727
A thin Co/Cu/Permalloy (Ni$_{80}$Fe$_{20}$) pseudo-spin-valve structure is sandwiched between superconducting Nb contacts. When the current is passed perpendicular to the plane of the film a Josephson critical current ($I_C$) is observed at 4.2 K, in
Externí odkaz:
http://arxiv.org/abs/cond-mat/0309430
We study the proximity effect in superconductor (S), antiferromagnetic (AF) bilayers, and report the fabrication and measurement of the first trilayer S/AF/S Josephson junctions. The disordered f.c.c. alloy \gamma-Fe50Mn50 was used as the AF, and the
Externí odkaz:
http://arxiv.org/abs/cond-mat/0309313
Autor:
Kang, D. -J., Peng, N. H., Webb, R., Jeynes, C., Yun, J. H., Moon, S. H., Oh, D., Burnell, G., Tarte, E. J., Moore, D. F., Blamire, M. G.
Ion beam damage combined with nanoscale focused ion beam direct milling was used to create manufacturable SNS type Josephson junctions in 100 nm thick MgB$_{2}$ with T$_{C}$ of 38 K. The junctions show non-hysteretic current - voltage characteristics
Externí odkaz:
http://arxiv.org/abs/cond-mat/0206207
Autor:
Burnell, G., Kang, D. -J., Ansell, D. A., Lee, H. -N., Moon, S. -H., Tarte, E. J., Blamire, M. G.
We report the fabrication of a directly coupled superconducting quantum interference device (SQUID) magnetometer in MgB2 using a focused ion beam (FIB) to create Josephson junctions in a 70 nm thick film of MgB2. The SQUID shows a voltage modulation
Externí odkaz:
http://arxiv.org/abs/cond-mat/0203532
We have performed V-I measurements on a thin film YBa2Cu3O7 4^o [001] tilt low angle grain boundary over an extensive range of temperature and field, verifying the presence of a linear characteristic. We report on the occurrence of the linear charact
Externí odkaz:
http://arxiv.org/abs/cond-mat/0101303
We study the proximity effect in superconductor (S), antiferromagnetic (AF) bilayers, and report the fabrication and measurement of the first trilayer S/AF/S Josephson junctions. The disordered f.c.c. alloy ��-Fe50Mn50 was used as the AF, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::097f7975c41cf9f1212de34c3f1da004
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