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dc.contributor.author
Haberkorn, Nestor Fabian
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dc.contributor.author
Huang, Silu
dc.contributor.author
Jin, R.
dc.date.available
2020-09-14T15:42:11Z
dc.date.issued
2018-05-11
dc.identifier.citation
Haberkorn, Nestor Fabian; Huang, Silu; Jin, R.; Anomalous reduction in the long-time flux creep relaxation in superconducting Ca10(Pt4As8)((Fe1-xPt x )2As2)5 (x ≈ 0.05) single crystals; IOP Publishing; Superconductor Science And Technology; 31; 6; 11-5-2018; 1-16
dc.identifier.issn
0953-2048
dc.identifier.uri
http://hdl.handle.net/11336/113924
dc.description.abstract
We report the vortex dynamics of superconducting a Ca10(Pt4As8)((Fe1-xPtx)2As2)5 (x ≈ 0.05) single crystal with T c = 26 K investigated by performing magnetic measurements. The field dependence of the magnetization displays a second peak (SPM), typically related to a crossover between elastic and plastic vortex relaxation in a weak pinning scenario. Long-time flux creep relaxation measurements for fields smaller that of the SPM show that the vortex dynamics can be separated in two different regions. For magnetic fields smaller than the lower end of the SPM, glassy relaxation (with a characteristic glassy exponent μ) is observed. For magnetic fields between the lower end and the SPM, the flux creep rate decreases systematically to values below to the ones predicted by the collective theory. This effect can be understood by considering a stable vortex lattice configuration. As the field position of the SPM can be adjusted by modifying the quenched potential, our results suggest that extremely low flux creep relaxation rate may be tuned in many other superconducting materials.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
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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
GLASSY EXPONENTS
dc.subject
IRON BASED SUPERCONDUCTORS
dc.subject
VORTEX DYNAMICS
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
Anomalous reduction in the long-time flux creep relaxation in superconducting Ca10(Pt4As8)((Fe1-xPt x )2As2)5 (x ≈ 0.05) 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
2019-10-15T17:30:08Z
dc.journal.volume
31
dc.journal.number
6
dc.journal.pagination
1-16
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Haberkorn, Nestor Fabian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
dc.description.fil
Fil: Huang, Silu. State University of Louisiana; Estados Unidos
dc.description.fil
Fil: Jin, R.. State University of Louisiana; Estados Unidos
dc.journal.title
Superconductor Science And Technology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/1361-6668/aac05d
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.1088/1361-6668/aac05d
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