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dc.contributor.author
Haberkorn, Nestor Fabian
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dc.contributor.author
Maiorov, B.
dc.contributor.author
Usov, I. O.
dc.contributor.author
Weigand, M.
dc.contributor.author
Hirata, W.
dc.contributor.author
Miyasaka, S.
dc.contributor.author
Tajima, S.
dc.contributor.author
Chikumoto, N.
dc.contributor.author
Tanabe, K.
dc.contributor.author
Civale, Leonardo
dc.date.available
2017-01-17T19:54:06Z
dc.date.issued
2012-01
dc.identifier.citation
Haberkorn, Nestor Fabian; Maiorov, B.; Usov, I. O. ; Weigand, M.; Hirata, W. ; et al.; Influence of random point defects introduced by proton irradiation on critical current density and vortex dynamics of Ba(Fe0.925Co0.075)2As2 single crystals; American Physical Society; Physical Review B; 85; 1; 1-2012; 14522-14529
dc.identifier.issn
0163-1829
dc.identifier.uri
http://hdl.handle.net/11336/11493
dc.description.abstract
In this work we analyze the influence of random point defects introduced by 3 MeV proton irradiation on the critical current density (Jc) and vortex dynamics of a Ba(Fe0.925Co0.075)2As2 single crystal. The results show that at low temperatures (T) the irradiation produces an enhancement of Jc of up to 2.6 times. However the Jc (T) retention at different magnetic fields (H) in the elastic regime, estimated by the n exponent in Jc vs (1-(T/Tc)2)n, is poorer after the irradiations, due to the thermal softening of the pinning by the random point defects. We found that the elastic to plastic crossover and melting lines are only affected by the reduction of the superconducting critical temperature (Tc); they are exactly the same after rescaling the phase diagram by T/Tc. The pinning mechanisms in the single crystals can be associated with a mixed pinning landscape that produces a modulation in S(H,T) as a consequence of a fishtail or second peak in the magnetization.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Physical Society
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Vortex Pinning
dc.subject
Irradiation
dc.subject.classification
Física de los Materiales Condensados
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Influence of random point defects introduced by proton irradiation on critical current density and vortex dynamics of Ba(Fe0.925Co0.075)2As2 single crystals
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-01-06T20:03:27Z
dc.journal.volume
85
dc.journal.number
1
dc.journal.pagination
14522-14529
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Washington
dc.description.fil
Fil: Haberkorn, Nestor Fabian. Los Alamos National Laboratory; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Maiorov, B.. Los Alamos National Laboratory; Estados Unidos
dc.description.fil
Fil: Usov, I. O.. Los Alamos National Laboratory; Estados Unidos
dc.description.fil
Fil: Weigand, M.. Los Alamos National Laboratory; Estados Unidos
dc.description.fil
Fil: Hirata, W.. Osaka University; Japón
dc.description.fil
Fil: Miyasaka, S.. Osaka University; Japón
dc.description.fil
Fil: Tajima, S.. Osaka University; Japón
dc.description.fil
Fil: Chikumoto, N.. International Superconductivity Technology Center. Superconductivity Research Laboratory; Japón
dc.description.fil
Fil: Tanabe, K.. International Superconductivity Technology Center. Superconductivity Research Laboratory; Japón
dc.description.fil
Fil: Civale, Leonardo. Los Alamos National Laboratory; Estados Unidos
dc.journal.title
Physical Review B
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://journals.aps.org/prb/abstract/10.1103/PhysRevB.85.014522
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://doi.org/10.1103/PhysRevB.85.014522
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