Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Hesselberth, M. B. S."'
Publikováno v:
Phys. Rev. B 81, 184503 (2010)
Vortices confined to superconducting easy flow channels with periodic constrictions exhibit reversible oscillations in the critical current at which vortices begin moving as the external magnetic field is varied. This commensurability scales with the
Externí odkaz:
http://arxiv.org/abs/1003.0387
Autor:
Trezza, M., Prischepa, S. L., Cirillo, C., Fittipaldi, R., Sarno, M., Sannino, D., Ciambelli, P., Hesselberth, M. B. S., Lazarouk, S. K., Dolbik, A. V., Borisenko, V. E., Attanasio, C.
Porous silicon, obtained by electrochemical etching, has been used as a substrate for the growth of nanoperforated Nb thin films. The films, deposited by UHV magnetron sputtering on the porous Si substrates, inherited their structure made of holes of
Externí odkaz:
http://arxiv.org/abs/0810.1447
Autor:
Heitmann, T. W., Yu, K., Song, C., DeFeo, M. P., Plourde, B. L. T., Hesselberth, M. B. S., Kes, P. H.
Publikováno v:
Rev. Sci. Instrum. 79, 103906 (2008)
We have developed a picovoltmeter using a Nb dc Superconducting QUantum Interference Device (SQUID) for measuring the flux-flow voltage from a small number of vortices moving through a submicron weak-pinning superconducting channel. We have applied t
Externí odkaz:
http://arxiv.org/abs/0809.1852
Autor:
Yu, K., Heitmann, T. W., Song, C., DeFeo, M. P., Plourde, B. L. T., Hesselberth, M. B. S., Kes, P. H.
Publikováno v:
Phys. Rev. B 76, 220507(R) (2007)
The controlled motion of objects through narrow channels is important in many fields. We have fabricated asymmetric weak-pinning channels in a superconducting thin-film strip for controlling the dynamics of vortices. The lack of pinning allows the vo
Externí odkaz:
http://arxiv.org/abs/0710.2076
Autor:
Morenzoni, E., Luetkens, H., Prokscha, T., Suter, A., Vongtragool, S., Galli, F., Hesselberth, M. B. S., Garifianov, N., Khasanov, R.
We have performed depth dependent muon spin rotation/relaxation studies of the dynamics of single layer films of {\it Au}Fe and {\it Cu}Mn spin glasses as a function of thickness and of its behavior as a function of distance from the vacuum interface
Externí odkaz:
http://arxiv.org/abs/0705.2986
Autor:
Gorshunov, B., Prokhorov, A. S., Kaiser, S., Faltermeier, D., Yasin, S., Dumm, M., Drichko, N., Zhukova, E. S., Spektor, I. E., Vongtragool, S., Hesselberth, M. B. S., Aarts, J., Nieuwenhuys, G. J., Dressel, M.
Publikováno v:
Europhys. Lett. 76, 938 (2006)
Measurements of electrodynamic response of of spin glass AuFe films in comparison with pure gold films are performed at frequencies from 0.3 THz (10 cm-1) up to 1000 THz (33000 cm-1) using different spectroscopic methods. At room temperatures the spe
Externí odkaz:
http://arxiv.org/abs/cond-mat/0609547
We report on measuring the depairing current J_{dp} in thin superconducting films as a function of temperature. The main difficulties in such measurements are that heating has to be avoided, either due to contacts, or to vortex flow. The latter is al
Externí odkaz:
http://arxiv.org/abs/cond-mat/0312470
We have investigated the proximity effect between a superconductor (Nb) and a 'Heavy Fermion' system (CeCu_6) by measuring critical temperatures $T_c$ and parallel critical fields H_{c2}^{\parallel}(T) of Nb films with varying thickness deposited on
Externí odkaz:
http://arxiv.org/abs/cond-mat/0303393
We have investigated the behaviour of the depairing current J_{dp} in ferromagnet/superconductor/ferromagnet (F/S/F) trilayers as function of the thickness d_s of the superconducting layers. Theoretically, J_{dp} depends on the superconducting order
Externí odkaz:
http://arxiv.org/abs/cond-mat/0101138
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