Effect of heavy-ion irradiation on London penetration depth in overdoped Ba(Fe1-xCox)(2)As-2

dc.contributor.author Murphy, J.
dc.contributor.author Tanatar, Makariy
dc.contributor.author Kim, Hyunsoo
dc.contributor.author Canfield, Paul
dc.contributor.author Kwok, W.
dc.contributor.author Welp, U.
dc.contributor.author Graf, D.
dc.contributor.author Brooks, J. S.
dc.contributor.author Bud’ko, Sergey
dc.contributor.author Canfield, Paul
dc.contributor.author Prozorov, Ruslan
dc.contributor.department Ames Laboratory
dc.contributor.department Physics and Astronomy
dc.date 2020-03-05T23:20:56.000
dc.date.accessioned 2020-06-30T06:21:00Z
dc.date.available 2020-06-30T06:21:00Z
dc.date.copyright Tue Jan 01 00:00:00 UTC 2013
dc.date.issued 2013-08-01
dc.description.abstract <p>Irradiation with 1.4 GeV 208Pb ions was used to induce artificial disorder in single crystals of iron-arsenide superconductor Ba(Fe1−xCox)2As2 and to study its effects on the temperature-dependent London penetration depth and transport properties. A study was undertaken on overdoped single crystals with x=0.108 and x=0.127 characterized by notable modulation of the superconducting gap. Irradiation corresponding to the matching fields of Bϕ=6 T and 6.5 T with doses 2.22×1011 d/cm2 and 2.4×1011 d/cm2, respectively, suppresses the superconducting Tc by approximately 0.3 to 1 K. The variation of the low-temperature penetration depth in both pristine and irradiated samples is well described by the power law Δλ(T)=ATn. Irradiation increases the magnitude of the prefactor A and decreases the exponent n, similar to the effect of irradiation in optimally-doped samples. This finding supports universal s± pairing in Ba(Fe1−xCox)2As2 compounds for the entire Co doping range.</p>
dc.description.comments <p>This article is published as Murphy, J., M. A. Tanatar, Hyunsoo Kim, W. Kwok, U. Welp, D. Graf, J. S. Brooks, S. L. Bud'ko, P. C. Canfield, and R. Prozorov. "Effect of heavy-ion irradiation on London penetration depth in overdoped Ba (Fe 1− x Co x) 2 As 2." <em>Physical Review B</em> 88, no. 5 (2013): 054514. DOI: <a href="http://dx.doi.org/10.1103/PhysRevB.88.054514" target="_blank">10.1103/PhysRevB.88.054514</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/physastro_pubs/608/
dc.identifier.articleid 1621
dc.identifier.contextkey 16726782
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath physastro_pubs/608
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/57397
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/physastro_pubs/608/2013_CanfieldPaul_EffectHeavy.pdf|||Sat Jan 15 01:15:27 UTC 2022
dc.source.uri 10.1103/PhysRevB.88.054514
dc.subject.disciplines Condensed Matter Physics
dc.title Effect of heavy-ion irradiation on London penetration depth in overdoped Ba(Fe1-xCox)(2)As-2
dc.type article
dc.type.genre article
dspace.entity.type Publication
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relation.isOrgUnitOfPublication 25913818-6714-4be5-89a6-f70c8facdf7e
relation.isOrgUnitOfPublication 4a05cd4d-8749-4cff-96b1-32eca381d930
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