Artículo

Schmidt, J.; Bekeris, V.; Lozano, G.S.; Bortulé, M.V.; Bermúdez, M.M.; Hicks, C.W.; Canfield, P.C.; Fradkin, E.; Pasquini, G."Nematicity in the superconducting mixed state of strain detwinned underdoped Ba(Fe1-xCox)2As2" (2019) Physical Review B. 99(6)
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Abstract:

Evidence of nematic effects in the mixed superconducting phase of slightly underdoped Ba(Fe1-xCox)2As2 is reported. We have found strong in-plane resistivity anisotropy for crystals in different strain conditions. For these compositions, there is no magnetic long-range order, so the description may be ascribed to the interplay between the superconducting and nematic order parameters. A piezoelectric-based apparatus is used to apply tensile or compressive strain to tune nematic domain orientation in order to examine intrinsic nematicity. Measurements are done under a rotating magnetic field, and the analysis of the angular dependence of physical quantities identifies the cases in which the sample is detwinned. Furthermore, the angular dependence of the data allows us to evaluate the effects of nematicity on the in-plane superconductor stiffness. Our results show that although nematicity contributes in a decisive way to the conduction properties, its contributions to the anisotropy properties of the stiffness of the superconducting order parameter is not as significant in these samples. © 2019 American Physical Society.

Registro:

Documento: Artículo
Título:Nematicity in the superconducting mixed state of strain detwinned underdoped Ba(Fe1-xCox)2As2
Autor:Schmidt, J.; Bekeris, V.; Lozano, G.S.; Bortulé, M.V.; Bermúdez, M.M.; Hicks, C.W.; Canfield, P.C.; Fradkin, E.; Pasquini, G.
Filiación:Departamento de Física, FCEyN, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
IFIBA, CONICET, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
IFLYSIB, CONICET, Universidad de la Plata, La Plata, 1900, Argentina
Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Strasse 40, Dresden, 01187, Germany
Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, United States
Department of Physics, Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign, 1110 West Green Street, Urbana, II 61801-3080, United States
Palabras clave:Anisotropy; Anisotropy property; Conduction properties; Domain orientation; In-plane resistivity; Physical quantities; Rotating magnetic fields; Superconducting order parameters; Superconducting phase; Stiffness
Año:2019
Volumen:99
Número:6
DOI: http://dx.doi.org/10.1103/PhysRevB.99.064515
Handle:http://hdl.handle.net/20.500.12110/paper_24699950_v99_n6_p_Schmidt
Título revista:Physical Review B
Título revista abreviado:Phys. Rev. B
ISSN:24699950
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699950_v99_n6_p_Schmidt

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Citas:

---------- APA ----------
Schmidt, J., Bekeris, V., Lozano, G.S., Bortulé, M.V., Bermúdez, M.M., Hicks, C.W., Canfield, P.C.,..., Pasquini, G. (2019) . Nematicity in the superconducting mixed state of strain detwinned underdoped Ba(Fe1-xCox)2As2. Physical Review B, 99(6).
http://dx.doi.org/10.1103/PhysRevB.99.064515
---------- CHICAGO ----------
Schmidt, J., Bekeris, V., Lozano, G.S., Bortulé, M.V., Bermúdez, M.M., Hicks, C.W., et al. "Nematicity in the superconducting mixed state of strain detwinned underdoped Ba(Fe1-xCox)2As2" . Physical Review B 99, no. 6 (2019).
http://dx.doi.org/10.1103/PhysRevB.99.064515
---------- MLA ----------
Schmidt, J., Bekeris, V., Lozano, G.S., Bortulé, M.V., Bermúdez, M.M., Hicks, C.W., et al. "Nematicity in the superconducting mixed state of strain detwinned underdoped Ba(Fe1-xCox)2As2" . Physical Review B, vol. 99, no. 6, 2019.
http://dx.doi.org/10.1103/PhysRevB.99.064515
---------- VANCOUVER ----------
Schmidt, J., Bekeris, V., Lozano, G.S., Bortulé, M.V., Bermúdez, M.M., Hicks, C.W., et al. Nematicity in the superconducting mixed state of strain detwinned underdoped Ba(Fe1-xCox)2As2. Phys. Rev. B. 2019;99(6).
http://dx.doi.org/10.1103/PhysRevB.99.064515