Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Ana Celia Mota"'
Publikováno v:
Physical Review B. 59:8887-8895
We have investigated the diamagnetic response of composite NS proximity wires, consisting of a clean silver or copper coating, in good electrical contact to a superconducting niobium or tantalum core. The samples show strong induced diamagnetism in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5da2f56e90db1c896582544d10ab3b87
https://doi.org/10.1103/physrevb.59.8887
https://doi.org/10.1103/physrevb.59.8887
Publikováno v:
Journal of Low Temperature Physics. 117:1477-1481
We have found a sharp transition at T c2 = 350 mK in the vortex creep rate of a single crystal of (U 1−x Th x )Be 13 with T c = 523 mK (x = 0.0275). For T ≪ T c2 , no creep of vortices is observed in a time scale of 105 s, while for T c2 < T < T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6ab469fe647e37220b7bab62c97c25a
https://doi.org/10.1023/a:1022566322062
https://doi.org/10.1023/a:1022566322062
Autor:
P.H. Kes, Vladimir N. Zavaritsky, Marco Saalfrank, Gianni Blatter, T.W. Li, Ana Celia Mota, M. Nideröst, R. Frassanito
Publikováno v:
Physical Review Letters. 81:3231-3234
The penetration field H_p of Bi_2Sr_2CaCu_2O_{8+delta} crystals is determined from magnetization curves for different field sweep rates dH/dt and temperatures. The obtained results are consistent with theoretical reports in the literature about vorte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a28a000305d98d8993d8fcf2e59849d
https://doi.org/10.1103/physrevlett.81.3231
https://doi.org/10.1103/physrevlett.81.3231
Publikováno v:
Physical Review B. 57:3640-3649
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e73f1349967ea00403e0ef9c645bbcda
https://doi.org/10.1103/physrevb.57.3640
https://doi.org/10.1103/physrevb.57.3640
Publikováno v:
Physical Review B. 53:9286-9295
Using a custom-made dc superconducting quantum interference device (dc-SQUID) magnetometer, we have measured the time relaxation of the remanent magnetization ${M}_{\mathrm{rem}}$ of a ${\mathrm{Bi}}_{2}{\mathrm{Sr}}_{2}\mathrm{Ca}{\mathrm{Cu}}_{2}{\
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::433a617ae9c2d736b69df509fd9a732d
https://doi.org/10.1103/physrevb.53.9286
https://doi.org/10.1103/physrevb.53.9286
Autor:
Zachary Fisk, P. Visani, A. Amann, Ana Celia Mota, Y. Dalichaouch, P. E. Armstrong, M. B. Maple, K. Aupke
Publikováno v:
Europhysics Letters (EPL). 33:303-308
The flux dynamics at low magnetic fields in UPt3 shows a clear distinction between the relaxation of bulk vortices and those close to the surface. In addition, in the high-temperature A-phase, vortices trapped in the bulk of the specimen after cyclin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb31fb0d4fb52a69a179325b0efafb9a
https://doi.org/10.1209/epl/i1996-00337-8
https://doi.org/10.1209/epl/i1996-00337-8
Publikováno v:
Non-Centrosymmetric Superconductors ISBN: 9783642246234
In this chapter we give an overview on some recent experimental results on vortex dynamics in the non-centrosymmetric superconductors \(\hbox{CePt}_3\hbox{Si}\) and \(\hbox{Li}_2\hbox{Pt}_3\hbox{B}\). In both compounds the flux creep from a metastabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bb06ea67b2f0560868e34d16f34304e
https://doi.org/10.1007/978-3-642-24624-1_10
https://doi.org/10.1007/978-3-642-24624-1_10
Publikováno v:
Physica B: Condensed Matter. 197:95-100
Copper and silver cylinders driven to superconductivity by the proximity effect show a novel form of quantum coherence. Below a characteristic temperature Tmin, the induced diamagnetic currents in Cu and Ag decrease as the temperature is reduced. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b8f37484dd1f8b7ab96ea6435ad0ebe
https://doi.org/10.1016/0921-4526(94)90202-x
https://doi.org/10.1016/0921-4526(94)90202-x
Publikováno v:
Physica C: Superconductivity. 209:255-258
According to the theory of quantum collective creep (QCC) of Blatter, Geshkenbein and Vinokur, the quantum creep rate is enhanced in superconductors with short coherence length ξ, high normal state resistivity ϱn, weak collective pinning and strong
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81f6311eeb1812cda60210ee7bfe1b65
https://doi.org/10.1016/0921-4534(93)90918-g
https://doi.org/10.1016/0921-4534(93)90918-g
Publikováno v:
Journal of Low Temperature Physics. 90:15-53
Strong flux creep effects are observed in CeCu2Si2 at low magnetic inductions and temperatures in the range 6 mK
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f056c972ecd42f0674dd89acc95dc9f
https://doi.org/10.1007/bf00682009
https://doi.org/10.1007/bf00682009